diff --git a/.checkstyle b/.checkstyle
index cfd4ee68000a768710181eb392865d1d50631f1c..932a691d8d7d4ac3154c897e43792fac4f352e80 100644
--- a/.checkstyle
+++ b/.checkstyle
@@ -12,4 +12,5 @@
     <file-match-pattern match-pattern="." include-pattern="true"/>
   </fileset>
   <filter name="WriteProtectedFiles" enabled="true"/>
+  <filter name="DerivedFiles" enabled="true"/>
 </fileset-config>
diff --git a/.project b/.project
index 9c7a3eb0d7770870a1a8064f5071cf4d6d79247e..c3dde7d007d57e79f312855139ed9e54b09ae679 100644
--- a/.project
+++ b/.project
@@ -25,11 +25,17 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>net.sf.eclipsecs.core.CheckstyleBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>edu.umd.cs.findbugs.plugin.eclipse.findbugsNature</nature>
 		<nature>net.sourceforge.pmd.eclipse.plugin.pmdNature</nature>
+		<nature>net.sf.eclipsecs.core.CheckstyleNature</nature>
 	</natures>
 </projectDescription>
diff --git a/conf/quality-config/cs-conf.xml b/conf/quality-config/cs-conf.xml
index a87a0996febaa34d702cf0f54fd1fe6b476d8c8d..29a57a4ee712da9e768613fd02b959a9e086a6c5 100644
--- a/conf/quality-config/cs-conf.xml
+++ b/conf/quality-config/cs-conf.xml
@@ -1,1205 +1,1075 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE module PUBLIC
-    "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
-    "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+<!DOCTYPE module PUBLIC   "-//Puppy Crawl//DTD Check Configuration 1.3//EN"    "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
 
 <module name="Checker">
-
-<!-- 	<property name="checkstyle.ignoreCustomKieker" value=""/> -->
-
-    <!-- KIEKER default is warning instead of error -->
-    <property name="severity" value="error"/>
-    
-    <!-- KIEKER Filter -->
-    <module name="SuppressWithNearbyCommentFilter">
-        <property name="commentFormat" value="NOCS"/>
-        <property name="checkFormat" value=".*"/>
-        <property name="influenceFormat" value="0"/>
-    </module>
-
-    <!--
-      If you set the basedir property below, then all reported file
-      names will be relative to the specified directory. See
-      http://checkstyle.sourceforge.net/5.x/config.html#Checker
-
-    <property name="basedir"        value="${basedir}"/>
-    <property name="localeCountry"  value=""/> JVM locale country
-    <property name="localeLanguage" value=""/> JVM locale language
-    <property name="charset"        value=""/> JVM file.encoding property
-    !-->
-
-
-    <!--
-     !________________________________________________________________________________________
-     !
-     !     D U P L I C A T E S
-     !________________________________________________________________________________________
-     !-->
-    <!-- Performs a line-by-line comparison of all code lines and reports duplicate code. !-->
-    <!-- See http://checkstyle.sf.net/config_duplicates.html !-->
-    <!-- KIEKER Does not work with headers!! 
-    <module name="StrictDuplicateCode">
-        <property name="min"            value="12"/>
-        <property name="fileExtensions" value=""/>
-    </module>
-    -->
-
-    <!--
-     !________________________________________________________________________________________
-     !
-     !     H E A D E R S
-     !________________________________________________________________________________________
-     !-->
-    <!-- NOTE:  You may enable zero or one of these header checks, but not both. !-->
-
-    <!-- Checks that a source file begins with a specified header. !-->
-    <!-- See http://checkstyle.sf.net/config_header.html   !-->
-    <!-- KIEKER !-->
-<!--     <module name="Header"> -->
-<!--         <property name="headerFile"     value=""/> -->
-<!--         <property name="charset"        value=""/> -->
-<!--         <property name="header"         value="/***************************************************************************\n * Copyright 2013 Kieker Project (http://kieker-monitoring.net)\n *\n * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n ***************************************************************************/\n"/> -->
-<!--         <property name="ignoreLines"    value="2"/> -->
-<!--         <property name="fileExtensions" value="java"/> -->
-<!--     </module> -->
-
-    <!-- Checks the header of a source file against a header file that contains a regular expression !-->
-    <!-- for each line of the source header. !-->
-    <!-- See http://checkstyle.sf.net/config_header.html   !-->
-    <!-- Default: OFF
-    <module name="RegexpHeader">
-        <property name="headerFile"     value=""/>
-        <property name="charset"        value=""/>
-        <property name="header"         value=""/>
-        <property name="multiLines"     value=""/>
-        <property name="fileExtensions" value=""/>
-    </module>
-    !-->
-
-    <!--
-     !________________________________________________________________________________________
-     !
-     !     J A V A D O C S
-     !________________________________________________________________________________________
-     !-->
-    <!-- Checks that each Java package has a Javadoc file used for commenting. !-->
-    <!-- See http://checkstyle.sourceforge.net/config_javadoc.html#JavadocPackage !-->
-    <!-- KIEKER: OFF
-    <module name="JavadocPackage">
-        <property name="severity" value="info"/>
-        <property name="allowLegacy" value="false"/>
-    </module>
-    !-->
-
-    <!--
-     !________________________________________________________________________________________
-     !
-     !     R E G E X P
-     !________________________________________________________________________________________
-     !-->
-    <!-- A check for detecting that matches across multiple lines. Works with any file type. !-->
-    <!-- See http://checkstyle.sourceforge.net/config_regexp.html#RegexpMultiline !-->
-    <!-- Default: OFF
-    <module name="RegexpMultiline">
-        <property name="format"         value=""/>
-        <property name="message"        value=""/>
-        <property name="ignoreCase"     value="false"/>
-        <property name="minimum"        value="0"/>
-        <property name="maximum"        value="0"/>
-        <property name="fileExtensions" value=""/>
-    </module>
-    !-->
-
-    <!-- A check for detecting single lines that match a supplied regular expression. Works with any file type. !-->
-    <!-- See http://checkstyle.sourceforge.net/config_regexp.html#RegexpSingleline !-->
-    <!-- Default: OFF
-    <module name="RegexpSingleline">
-        <property name="format"         value="\s+$"/>
-        <property name="message"        value=""/>
-        <property name="ignoreCase"     value="false"/>
-        <property name="minimum"        value="0"/>
-        <property name="maximum"        value="0"/>
-        <property name="fileExtensions" value=""/>
-    </module>
-    !-->
-
-    <!--
-     !________________________________________________________________________________________
-     !
-     !     M I S C E L L A N E O U S
-     !________________________________________________________________________________________
-     !-->
-    <!-- Checks whether files end with a new line.                        !-->
-    <!-- See http://checkstyle.sf.net/config_misc.html#NewlineAtEndOfFile !-->
-    <module name="NewlineAtEndOfFile">
-        <property name="lineSeparator"  value="system"/>
-        <property name="fileExtensions" value="*.*"/>
-    </module>
-
-    <!-- Checks that property files contain the same keys.         !-->
-    <!-- See http://checkstyle.sf.net/config_misc.html#Translation !-->
-    <module name="Translation">
-        <property name="fileExtensions" value="properties"/>
-    </module>
-
-
-    <!--
-     !________________________________________________________________________________________
-     !
-     !     S I Z E   V I O L A T I O N S
-     !________________________________________________________________________________________
-     !-->
-    <!-- Checks for long source files. !-->
-    <!-- See http://checkstyle.sf.net/config_sizes.html !-->
-    <module name="FileLength">
-        <property name="max"            value="2000"/>
-        <property name="fileExtensions" value="java"/>
-    </module>
-
-
-    <!--
-     !________________________________________________________________________________________
-     !
-     !     W H I T E S P A C E
-     !________________________________________________________________________________________
-     !-->
-    <!-- Checks that there are no tab characters ('\t') in the source code. !-->
-    <!-- See http://checkstyle.sourceforge.net/config_whitespace.html#FileTabCharacter !-->
-    <!-- KIEKER we use TABs
-    <module name="FileTabCharacter">
-        <property name="eachLine"       value="false"/>
-        <property name="fileExtensions" value=""/>
-    </module>
-    -->
-
-    <module name="TreeWalker">
-        <property name="tabWidth" value="4"/>
-        <module name="FileContentsHolder"/>
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     A N N O T A T I O N S
-         !________________________________________________________________________________________
-         !-->
-        <!-- This check controls the usage style of annotations. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_annotation.html#AnnotationUseStyle !-->
-        <module name ="AnnotationUseStyle">
-            <property name="elementStyle"       value="compact_no_array"/>
-            <property name="closingParens"      value="never"/>
-            <property name="trailingArrayComma" value="never"/>
-        </module>
-
-        <!-- Verifies that both the java.lang.Deprecated import is present and the @deprecated Javadoc tag is present when either is present. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_annotation.html#MissingDeprecated !-->
-        <module name="MissingDeprecated">
-            <property name="severity" value="info"/>        
-        </module>
-
-        <!-- Verifies that the java.lang.Override annotation is present when the {@inheritDoc} javadoc tag is present. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_annotation.html#MissingOverride !-->
-        <!-- problems with Java 1.5
-        <module name="MissingOverride">
-            <property name="javaFiveCompatibility" value="false"/>
-        </module>
-        -->
-
-        <!-- This check makes sure that all package annotations are in the package-info.java file. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_annotation.html#PackageAnnotation !-->
-        <module name="PackageAnnotation"/>
-
-        <!-- This check allows you to specify what warnings that SuppressWarnings is not allowed to suppress. !-->
-        <!-- You can also specify a list of TokenTypes that the configured warning(s) cannot be suppressed on. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_annotation.html#SuppressWarnings !-->
-        <module name="SuppressWarnings">
-            <property name="format" value="^$|^\s+$"/>
-            <property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, ANNOTATION_DEF,
+	<!-- !________________________________________________________________________________________ 
+		! ! J A V A D O C S !________________________________________________________________________________________ 
+		! -->
+	<!-- Checks that each Java package has a Javadoc file used for commenting. 
+		! -->
+	<!-- See http://checkstyle.sourceforge.net/config_javadoc.html#JavadocPackage 
+		! -->
+	<module name="JavadocPackage">
+		<property name="severity" value="info" />
+		<!-- <property name="allowLegacy" value="false" /> -->
+	</module>
+
+	<module name="SuppressWithNearbyCommentFilter">
+		<property name="commentFormat" value="NOCS" />
+	</module>
+
+	<!-- !________________________________________________________________________________________ 
+		! ! R E G E X P !________________________________________________________________________________________ 
+		! -->
+	<!-- A check for detecting that matches across multiple lines. Works with 
+		any file type. ! -->
+	<!-- See http://checkstyle.sourceforge.net/config_regexp.html#RegexpMultiline 
+		! -->
+	<!-- Default: OFF <module name="RegexpMultiline"> <property name="format" 
+		value=""/> <property name="message" value=""/> <property name="ignoreCase" 
+		value="false"/> <property name="minimum" value="0"/> <property name="maximum" 
+		value="0"/> <property name="fileExtensions" value=""/> </module> ! -->
+
+	<!-- A check for detecting single lines that match a supplied regular expression. 
+		Works with any file type. ! -->
+	<!-- See http://checkstyle.sourceforge.net/config_regexp.html#RegexpSingleline 
+		! -->
+	<!-- Default: OFF <module name="RegexpSingleline"> <property name="format" 
+		value="\s+$"/> <property name="message" value=""/> <property name="ignoreCase" 
+		value="false"/> <property name="minimum" value="0"/> <property name="maximum" 
+		value="0"/> <property name="fileExtensions" value=""/> </module> ! -->
+
+	<!-- !________________________________________________________________________________________ 
+		! ! M I S C E L L A N E O U S !________________________________________________________________________________________ 
+		! -->
+	<!-- Checks whether files end with a new line. ! -->
+	<!-- See http://checkstyle.sf.net/config_misc.html#NewlineAtEndOfFile ! -->
+	<!-- <module name="NewlineAtEndOfFile"> -->
+	<!-- <property name="lineSeparator" value="system" /> -->
+	<!-- <property name="fileExtensions" value="*.*" /> -->
+	<!-- </module> -->
+
+	<!-- Checks that property files contain the same keys. ! -->
+	<!-- See http://checkstyle.sf.net/config_misc.html#Translation ! -->
+	<module name="Translation">
+		<property name="fileExtensions" value="properties" />
+	</module>
+
+
+	<!-- !________________________________________________________________________________________ 
+		! ! S I Z E V I O L A T I O N S !________________________________________________________________________________________ 
+		! -->
+	<!-- Checks for long source files. ! -->
+	<!-- See http://checkstyle.sf.net/config_sizes.html ! -->
+	<module name="FileLength">
+		<property name="max" value="2000" />
+		<property name="fileExtensions" value="java" />
+	</module>
+
+
+	<!-- !________________________________________________________________________________________ 
+		! ! W H I T E S P A C E !________________________________________________________________________________________ 
+		! -->
+	<!-- Checks that there are no tab characters ('\t') in the source code. 
+		! -->
+	<!-- See http://checkstyle.sourceforge.net/config_whitespace.html#FileTabCharacter 
+		! -->
+	<!-- KIEKER we use TABs <module name="FileTabCharacter"> <property name="eachLine" 
+		value="false"/> <property name="fileExtensions" value=""/> </module> -->
+
+	<module name="TreeWalker">
+		<property name="tabWidth" value="4" />
+		<module name="FileContentsHolder" />
+
+		<!-- !________________________________________________________________________________________ 
+			! ! A N N O T A T I O N S !________________________________________________________________________________________ 
+			! -->
+		<!-- This check controls the usage style of annotations. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_annotation.html#AnnotationUseStyle 
+			! -->
+		<module name="AnnotationUseStyle">
+			<property name="elementStyle" value="compact_no_array" />
+			<property name="closingParens" value="never" />
+			<property name="trailingArrayComma" value="never" />
+		</module>
+
+		<!-- Verifies that both the java.lang.Deprecated import is present and 
+			the @deprecated Javadoc tag is present when either is present. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_annotation.html#MissingDeprecated 
+			! -->
+		<module name="MissingDeprecated">
+			<!-- <property name="severity" value="info" /> -->
+		</module>
+
+		<!-- Verifies that the java.lang.Override annotation is present when the 
+			{@inheritDoc} javadoc tag is present. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_annotation.html#MissingOverride 
+			! -->
+		<!-- problems with Java 1.5 <module name="MissingOverride"> <property name="javaFiveCompatibility" 
+			value="false"/> </module> -->
+
+		<!-- This check makes sure that all package annotations are in the package-info.java 
+			file. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_annotation.html#PackageAnnotation 
+			! -->
+		<module name="PackageAnnotation" />
+
+		<!-- This check allows you to specify what warnings that SuppressWarnings 
+			is not allowed to suppress. ! -->
+		<!-- You can also specify a list of TokenTypes that the configured warning(s) 
+			cannot be suppressed on. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_annotation.html#SuppressWarnings 
+			! -->
+		<module name="SuppressWarnings">
+			<property name="format" value="^$|^\s+$" />
+			<property name="tokens"
+				value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, ANNOTATION_DEF,
                                            ANNOTATION_FIELD_DEF, ENUM_CONSTANT_DEF, PARAMETER_DEF,
-                                           VARIABLE_DEF, METHOD_DEF, CTOR_DEF"/>
-        </module>
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     B L O C K S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Finds nested blocks, i.e. blocks that are used freely in the code. !-->
-        <!-- See http://checkstyle.sf.net/config_blocks.html !-->
-        <module name="AvoidNestedBlocks">
-            <property name="allowInSwitchCase" value="true"/>
-        </module>
-
-        <!-- Checks for empty blocks. !-->
-        <!-- See http://checkstyle.sf.net/config_blocks.html !-->
-        <module name="EmptyBlock">
-            <property name="option" value="stmt"/>
-            <property name="tokens" value="LITERAL_DO,
+                                           VARIABLE_DEF, METHOD_DEF, CTOR_DEF" />
+		</module>
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! B L O C K S !________________________________________________________________________________________ 
+			! -->
+		<!-- Finds nested blocks, i.e. blocks that are used freely in the code. 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_blocks.html ! -->
+		<module name="AvoidNestedBlocks">
+			<property name="allowInSwitchCase" value="true" />
+		</module>
+
+		<!-- Checks for empty blocks. ! -->
+		<!-- See http://checkstyle.sf.net/config_blocks.html ! -->
+		<module name="EmptyBlock">
+			<property name="option" value="stmt" />
+			<property name="tokens"
+				value="LITERAL_DO,
                                            LITERAL_ELSE, LITERAL_FINALLY, LITERAL_IF, LITERAL_FOR,
-                                           LITERAL_TRY, LITERAL_WHILE, INSTANCE_INIT, STATIC_INIT"/>
-        </module>
-
-        <!-- Checks for the placement of left curly braces ('{') for code blocks. !-->
-        <!-- See http://checkstyle.sf.net/config_blocks.html !-->
-        <module name="LeftCurly">
-            <property name="option"        value="eol"/>
-            <property name="maxLineLength" value="165"/>
-            <property name="tokens"        value="CLASS_DEF, CTOR_DEF,
+                                           LITERAL_TRY, LITERAL_WHILE, INSTANCE_INIT, STATIC_INIT" />
+		</module>
+
+		<!-- Checks for the placement of left curly braces ('{') for code blocks. 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_blocks.html ! -->
+		<module name="LeftCurly">
+			<property name="option" value="eol" />
+			<property name="maxLineLength" value="165" />
+			<property name="tokens"
+				value="CLASS_DEF, CTOR_DEF,
                                                   INTERFACE_DEF, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE,
                                                   LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF, LITERAL_SWITCH,
                                                   LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE,
-                                                  METHOD_DEF"/>
-        </module>
-
-        <!-- Checks for braces around code blocks. !-->
-        <!-- See http://checkstyle.sf.net/config_blocks.html !-->
-        <module name="NeedBraces">
-            <property name="tokens" value="LITERAL_DO, LITERAL_ELSE, LITERAL_IF, LITERAL_FOR, LITERAL_WHILE"/>
-        </module>
-
-        <!-- Checks the placement of right curly braces ('}') for else, try, and catch tokens. !-->
-        <!-- See http://checkstyle.sf.net/config_blocks.html !-->
-        <module name="RightCurly">
-            <property name="option"          value="same"/>
-            <property name="tokens"          value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE"/>
-            <property name="shouldStartLine" value="true"/>
-        </module>
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     C L A S S   D E S I G N
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks that classes are designed for extension. !-->
-        <!-- See http://checkstyle.sf.net/config_design.html !-->
-        <!-- Default: OFF
-        <module name="DesignForExtension"/>
-        !-->
-
-        <!-- Checks that a class which has only private constructors is declared as final. !-->
-        <!-- See http://checkstyle.sf.net/config_design.html !-->
-        <module name="FinalClass"/>
-
-        <!-- Make sure that utility classes (classes that contain only static methods) do not have a public constructor. !-->
-        <!-- See http://checkstyle.sf.net/config_design.html !-->
-        <module name="HideUtilityClassConstructor"/>
-
-        <!-- Check nested (internal) classes/interfaces are declared at the bottom of the class after all method and field declarations. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_design.html#InnerTypeLast !-->
-        <module name="InnerTypeLast"/>
-
-        <!-- Implements Bloch, Effective Java, Item 17 - Use Interfaces only to define types. !-->
-        <!-- See http://checkstyle.sf.net/config_design.html !-->
-        <module name="InterfaceIsType">
-            <property name="allowMarkerInterfaces" value="true"/>
-        </module>
-
-        <!-- Ensures that exceptions (defined as any class name conforming to some regular expression) are immutable. !-->
-        <!-- That is, have only final fields. !-->
-        <!-- See http://checkstyle.sf.net/config_design.html !-->
-        <module name="MutableException">
-            <property name="format" value="^.*Exception$|^.*Error$"/>
-        </module>
-
-        <!-- Restricts throws statements to a specified count. !-->
-        <!-- See http://checkstyle.sf.net/config_design.html !-->
-        <!-- KIEKER off
-        <module name="ThrowsCount">
-            <property name="max" value="1"/>
-        </module>
-        !-->
-
-        <!-- Checks visibility of class members. !-->
-        <!-- See http://checkstyle.sf.net/config_design.html !-->
-        <module name="VisibilityModifier">
-            <property name="packageAllowed"      value="false"/>
-            <property name="protectedAllowed"    value="true"/>
-            <property name="publicMemberPattern" value="^serialVersionUID$"/>
-        </module>
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     C O D I N G
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks that array initialization contains a trailing comma. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="ArrayTrailingComma"/>
-
-        <!-- Detects inline conditionals. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="AvoidInlineConditionals"/>
-
-        <!-- Checks that classes that define a covariant equals() method also override method equals(java.lang.Object). !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="CovariantEquals"/>
-
-        <!-- Checks declaration order according to Code Conventions for the Java Programming Language. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="DeclarationOrder">
-            <property name="ignoreConstructors" value="false"/>
-            <property name="ignoreMethods"      value="false"/>
-            <property name="ignoreModifiers"    value="false"/>
-        </module>
-
-        <!-- Check that the default is after all the cases in a switch statement. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="DefaultComesLast"/>
-
-        <!-- The "double-checked locking" idiom (DCL) tries to avoid the runtime cost of synchronization. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!--<module name="DoubleCheckedLocking"/>-->
-
-        <!-- Detects empty statements (standalone ;). !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="EmptyStatement"/>
-
-        <!-- Checks that any combination of String literals with optional assignment is on the left side of an equals() comparison. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#EqualsAvoidNull !-->
-        <module name="EqualsAvoidNull"/>
-
-        <!-- Checks that classes that override equals() also override hashCode(). !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="EqualsHashCode"/>
-
-        <!-- Checks if any class or object member explicitly initialized to default for its type value. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!-- KIEKER off
-        <module name="ExplicitInitialization"/>
-        !-->
-        
-        <!-- Checks for fall through in switch statements Finds locations where a case contains Java code ... !-->
-        <!-- but lacks a break, return, throw or continue statement. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="FallThrough">
-            <property name="checkLastCaseGroup" value="false"/>
-            <property name="reliefPattern"      value="fallthru|falls??through"/>
-        </module>
-
-        <!-- Checks that local variables that never have their values changed are declared final. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="FinalLocalVariable">
-            <property name="tokens" value="VARIABLE_DEF"/>
-        </module>
-
-        <!-- Checks that a local variable or a parameter does not shadow a field that is defined in the same class. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!-- KIEKER ignoreConstructorParameter, ignoreSetter -->
-        <module name="HiddenField">
-            <property name="tokens"                     value="PARAMETER_DEF, VARIABLE_DEF"/>
-            <!--
-            <property name="ignoreFormat"               value=""/>
-            !-->
-            <property name="ignoreConstructorParameter" value="true"/>
-            <property name="ignoreSetter"               value="true"/>
-            <property name="ignoreAbstractMethods"      value="false"/>
-        </module>
-
-        <!-- Catching java.lang.Exception, java.lang.Error or java.lang.RuntimeException is almost never acceptable. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="IllegalCatch">
-            <property name="illegalClassNames" value="java.lang.Exception, java.lang.Throwable, java.lang.RuntimeException"/>
-        </module>
-
-        <!-- Checks for illegal instantiations where a factory method is preferred. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!-- KIEKER on for ??? !-->
-        <module name="IllegalInstantiation">
-            <property name="classes" value="java.lang.Boolean"/>
-        </module>
-
-        <!-- This check can be used to ensure that types are not declared to be thrown. !-->
-        <!-- Declaring to throw java.lang.Error or java.lang.RuntimeException is almost never acceptable. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#IllegalThrows !-->
-        <module name="IllegalThrows">
-            <property name="illegalClassNames" value="java.lang.Throwable, java.lang.Error, java.lang.RuntimeException"/>
-        </module>
-
-        <!-- Checks for illegal tokens. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!-- KIEKER off
-        <module name="IllegalToken">
-            <property name="tokens" value="LITERAL_SWITCH, POST_INC, POST_DEC"/>
-        </module>
-        !-->
-
-        <!-- Checks for illegal token text. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!-- Default: OFF
-        <module name="IllegalTokenText">
-            <property name="tokens"     value=""/>
-            <property name="format"     value=""/>
-            <property name="ignoreCase" value="false"/>
-            <property name="message"    value=""/>
-        </module>
-        !-->
-
-        <!-- Checks that particular classes are never used as types in variable declarations, return values or parameters. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!-- KIEKER removed format value="^(.*[\\.])?Abstract.*$" !-->
-        <module name="IllegalType">
-             <property name="tokens"                 value="PARAMETER_DEF, VARIABLE_DEF, METHOD_DEF"/>
-             <property name="illegalClassNames"      value="java.util.GregorianCalendar, java.util.Hashtable,
+                                                  METHOD_DEF" />
+		</module>
+
+		<!-- Checks for braces around code blocks. ! -->
+		<!-- See http://checkstyle.sf.net/config_blocks.html ! -->
+		<module name="NeedBraces">
+			<property name="tokens"
+				value="LITERAL_DO, LITERAL_ELSE, LITERAL_IF, LITERAL_FOR, LITERAL_WHILE" />
+		</module>
+
+		<!-- Checks the placement of right curly braces ('}') for else, try, and 
+			catch tokens. ! -->
+		<!-- See http://checkstyle.sf.net/config_blocks.html ! -->
+		<module name="RightCurly">
+			<property name="option" value="same" />
+			<property name="tokens"
+				value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE" />
+			<property name="shouldStartLine" value="true" />
+		</module>
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! C L A S S D E S I G N !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks that classes are designed for extension. ! -->
+		<!-- See http://checkstyle.sf.net/config_design.html ! -->
+		<!-- Default: OFF <module name="DesignForExtension"/> ! -->
+
+		<!-- Checks that a class which has only private constructors is declared 
+			as final. ! -->
+		<!-- See http://checkstyle.sf.net/config_design.html ! -->
+		<module name="FinalClass" />
+
+		<!-- Make sure that utility classes (classes that contain only static methods) 
+			do not have a public constructor. ! -->
+		<!-- See http://checkstyle.sf.net/config_design.html ! -->
+		<module name="HideUtilityClassConstructor" />
+
+		<!-- Check nested (internal) classes/interfaces are declared at the bottom 
+			of the class after all method and field declarations. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_design.html#InnerTypeLast 
+			! -->
+		<module name="InnerTypeLast" />
+
+		<!-- Implements Bloch, Effective Java, Item 17 - Use Interfaces only to 
+			define types. ! -->
+		<!-- See http://checkstyle.sf.net/config_design.html ! -->
+		<module name="InterfaceIsType">
+			<property name="allowMarkerInterfaces" value="true" />
+		</module>
+
+		<!-- Ensures that exceptions (defined as any class name conforming to some 
+			regular expression) are immutable. ! -->
+		<!-- That is, have only final fields. ! -->
+		<!-- See http://checkstyle.sf.net/config_design.html ! -->
+		<module name="MutableException">
+			<property name="format" value="^.*Exception$|^.*Error$" />
+		</module>
+
+		<!-- Restricts throws statements to a specified count. ! -->
+		<!-- See http://checkstyle.sf.net/config_design.html ! -->
+		<!-- KIEKER off <module name="ThrowsCount"> <property name="max" value="1"/> 
+			</module> ! -->
+
+		<!-- Checks visibility of class members. ! -->
+		<!-- See http://checkstyle.sf.net/config_design.html ! -->
+		<module name="VisibilityModifier">
+			<property name="packageAllowed" value="false" />
+			<property name="protectedAllowed" value="true" />
+			<property name="publicMemberPattern" value="^serialVersionUID$" />
+		</module>
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! C O D I N G !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks that array initialization contains a trailing comma. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="ArrayTrailingComma" />
+
+		<!-- Detects inline conditionals. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- <module name="AvoidInlineConditionals" /> -->
+
+		<!-- Checks that classes that define a covariant equals() method also override 
+			method equals(java.lang.Object). ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="CovariantEquals" />
+
+		<!-- Checks declaration order according to Code Conventions for the Java 
+			Programming Language. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="DeclarationOrder">
+			<property name="ignoreConstructors" value="false" />
+			<property name="ignoreMethods" value="false" />
+			<property name="ignoreModifiers" value="false" />
+		</module>
+
+		<!-- Check that the default is after all the cases in a switch statement. 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="DefaultComesLast" />
+
+		<!-- The "double-checked locking" idiom (DCL) tries to avoid the runtime 
+			cost of synchronization. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!--<module name="DoubleCheckedLocking"/> -->
+
+		<!-- Detects empty statements (standalone ;). ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="EmptyStatement" />
+
+		<!-- Checks that any combination of String literals with optional assignment 
+			is on the left side of an equals() comparison. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#EqualsAvoidNull 
+			! -->
+		<module name="EqualsAvoidNull" />
+
+		<!-- Checks that classes that override equals() also override hashCode(). 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="EqualsHashCode" />
+
+		<!-- Checks if any class or object member explicitly initialized to default 
+			for its type value. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- KIEKER off <module name="ExplicitInitialization"/> ! -->
+
+		<!-- Checks for fall through in switch statements Finds locations where 
+			a case contains Java code ... ! -->
+		<!-- but lacks a break, return, throw or continue statement. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="FallThrough">
+			<property name="checkLastCaseGroup" value="false" />
+			<property name="reliefPattern" value="fallthru|falls??through" />
+		</module>
+
+		<!-- Checks that local variables that never have their values changed are 
+			declared final. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- <module name="FinalLocalVariable"> -->
+		<!-- <property name="tokens" value="VARIABLE_DEF" /> -->
+		<!-- </module> -->
+
+		<!-- Checks that a local variable or a parameter does not shadow a field 
+			that is defined in the same class. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- KIEKER ignoreConstructorParameter, ignoreSetter -->
+		<module name="HiddenField">
+			<property name="tokens" value="PARAMETER_DEF, VARIABLE_DEF" />
+			<!-- <property name="ignoreFormat" value=""/> ! -->
+			<property name="ignoreConstructorParameter" value="true" />
+			<property name="ignoreSetter" value="true" />
+			<property name="ignoreAbstractMethods" value="false" />
+		</module>
+
+		<!-- Catching java.lang.Exception, java.lang.Error or java.lang.RuntimeException 
+			is almost never acceptable. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="IllegalCatch">
+			<property name="illegalClassNames"
+				value="java.lang.Exception, java.lang.Throwable, java.lang.RuntimeException" />
+		</module>
+
+		<!-- Checks for illegal instantiations where a factory method is preferred. 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="IllegalInstantiation">
+			<property name="classes" value="java.lang.Boolean" />
+		</module>
+
+		<!-- This check can be used to ensure that types are not declared to be 
+			thrown. ! -->
+		<!-- Declaring to throw java.lang.Error or java.lang.RuntimeException is 
+			almost never acceptable. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#IllegalThrows 
+			! -->
+		<module name="IllegalThrows">
+			<property name="illegalClassNames"
+				value="java.lang.Throwable, java.lang.Error, java.lang.RuntimeException" />
+		</module>
+
+		<!-- Checks for illegal tokens. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- KIEKER off <module name="IllegalToken"> <property name="tokens" value="LITERAL_SWITCH, 
+			POST_INC, POST_DEC"/> </module> ! -->
+
+		<!-- Checks for illegal token text. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- Default: OFF <module name="IllegalTokenText"> <property name="tokens" 
+			value=""/> <property name="format" value=""/> <property name="ignoreCase" 
+			value="false"/> <property name="message" value=""/> </module> ! -->
+
+		<!-- Checks that particular classes are never used as types in variable 
+			declarations, return values or parameters. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- KIEKER removed format value="^(.*[\\.])?Abstract.*$" ! -->
+		<module name="IllegalType">
+			<property name="tokens" value="PARAMETER_DEF, VARIABLE_DEF, METHOD_DEF" />
+			<property name="illegalClassNames"
+				value="java.util.GregorianCalendar, java.util.Hashtable,
                                                             java.util.HashSet, java.util.HashMap, java.util.ArrayList,
                                                             java.util.LinkedList, java.util.LinkedHashMap,
                                                             java.util.LinkedHashSet, java.util.TreeSet,
-                                                            java.util.TreeMap, java.util.Vector"/>
-            <property name="legalAbstractClassNames" value=""/>
-            <property name="ignoredMethodNames"      value="getInitialContext, getEnvironment"/>
-            <property name="format"                  value="XXX"/>
-        </module>
-
-        <!-- Checks for assignments in subexpressions, such as in String s = Integer.toString(i = 2);. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="InnerAssignment">
-            <property name="tokens" value="ASSIGN, BAND_ASSIGN, BOR_ASSIGN, BSR_ASSIGN, BXOR_ASSIGN,
+                                                            java.util.TreeMap, java.util.Vector" />
+			<property name="legalAbstractClassNames" value="" />
+			<property name="ignoredMethodNames" value="getInitialContext, getEnvironment" />
+			<property name="format" value="XXX" />
+		</module>
+
+		<!-- Checks for assignments in subexpressions, such as in String s = Integer.toString(i 
+			= 2);. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="InnerAssignment">
+			<property name="tokens"
+				value="ASSIGN, BAND_ASSIGN, BOR_ASSIGN, BSR_ASSIGN, BXOR_ASSIGN,
                                            DIV_ASSIGN, MINUS_ASSIGN, MOD_ASSIGN, PLUS_ASSIGN, SL_ASSIGN,
-                                           SR_ASSIGN, STAR_ASSIGN"/>
-        </module>
-
-        <!-- Ensures that the setUp(), tearDown()methods are named correctly, have no arguments, !-->
-        <!-- return void and are either public or protected. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-<!--         <module name="JUnitTestCase"/> -->
-
-        <!-- Checks that there are no "magic numbers", where a magic number is a numeric literal !-->
-        <!-- that is not defined as a constant. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <!-- deactivated for Kieker
-        <module name="MagicNumber">
-            <property name="tokens"               value="NUM_DOUBLE, NUM_FLOAT, NUM_INT, NUM_LONG"/>
-            <property name="ignoreNumbers"        value="-1, 0, 1, 2"/>
-            <property name="ignoreHashCodeMethod" value="false"/>
-        </module>
-        !-->
-
-        <!-- Checks that classes (except abtract one) define a ctor and don't rely on the default one. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="MissingCtor"/>
-
-        <!-- Checks that switch statement has "default" clause. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="MissingSwitchDefault"/>
-
-        <!-- Check for ensuring that for loop control variables are not modified inside the for block. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#ModifiedControlVariable !-->
-        <module name="ModifiedControlVariable"/>
-
-        <!-- Checks for multiple occurrences of the same string literal within a single file. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#MultipleStringLiterals !-->
-        <!-- KIEKER off for now
-        <module name="MultipleStringLiterals">
-            <property name="allowedDuplicates"       value="1"/>
-            <property name="ignoreStringsRegexp"     value='^""$'/>
-            <property name="ignoreOccurrenceContext" value="ANNOTATION"/>
-        </module>
-        !-->
-
-        <!-- Checks that each variable declaration is in its own statement and on its own line. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="MultipleVariableDeclarations"/>
-
-        <!-- Restricts nested for blocks to a specified depth. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#NestedForDepth !-->
-        <module name="NestedForDepth">
-            <property name="max" value="2"/>
-        </module>
-
-        <!-- Restricts nested if-else blocks to a specified depth. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="NestedIfDepth">
-            <property name="max" value="3"/>
-        </module>
-
-        <!-- Restricts nested try-catch blocks to a specified depth. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="NestedTryDepth">
-            <property name="max" value="1"/>
-        </module>
-
-        <!-- Checks that the clone method is not overridden from the Object class. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#NoClone !-->
-        <module name="NoClone"/>
-
-        <!-- Verifies there are no finalize() methods defined in a class. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#NoFinalizer !-->
-        <module name="NoFinalizer"/>
-
-        <!-- Checks there is only one statement per line. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_coding.html#OneStatementPerLine !-->
-        <module name="OneStatementPerLine"/>
-
-        <!-- Ensure a class has a package declaration. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="PackageDeclaration">
-        </module>
-
-        <!-- Disallow assignment of parameters. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="ParameterAssignment"/>
-
-        <!-- Checks that code doesn't rely on the "this." default. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="RequireThis">
-            <property name="checkFields"  value="true"/>
-            <property name="checkMethods" value="true"/>
-        </module>
-
-        <!-- Restrict the number of return statements. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="ReturnCount">
-            <property name="max"    value="2"/>
-            <property name="format" value=""/>
-        </module>
-
-        <!-- Checks for overly complicated boolean expressions. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        
-        <module name="SimplifyBooleanExpression"/> 
-
-        <!-- Checks for overly complicated boolean return statements. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="SimplifyBooleanReturn"/>
-
-        <!-- Checks that string literals are not used with == or !=. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="StringLiteralEquality"/>
-
-        <!-- Checks that an overriding clone() method invokes super.clone(). !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="SuperClone"/>
-
-        <!-- Checks that an overriding finalize() method invokes super.finalize(). !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="SuperFinalize"/>
-
-        <!-- Checks for the use of unnecessary parentheses. !-->
-        <!-- See http://checkstyle.sf.net/config_coding.html !-->
-        <module name="UnnecessaryParentheses"/>
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     I M P O R T S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks that there are no import statements that use the * notation. !-->
-        <!-- See http://checkstyle.sf.net/config_import.html !-->
-        <module name="AvoidStarImport">
-            <property name="excludes"                 value=""/>
-            <property name="allowClassImports"        value="false"/>
-            <property name="allowStaticMemberImports" value="false"/>
-        </module>
-
-        <!-- Checks that there are no static import statements. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_imports.html#AvoidStaticImport !-->
-        <module name="AvoidStaticImport">
-            <property name="excludes" value=""/>
-        </module>
-
-        <!-- Checks for imports from a set of illegal packages. !-->
-        <!-- See http://checkstyle.sf.net/config_import.html !-->
-        <module name="IllegalImport">
-            <property name="illegalPkgs" value="junit.framework"/>
-            <property name="illegalPkgs" value="sun"/>
-            <property name="illegalPkgs" value="org.apache.commons.logging"/>
-            <property name="illegalPkgs" value="java.util.logging"/>
-        </module>
-
-        <!-- Controls what can be imported in each package. Useful for ensuring that application layering rules !-->
-        <!-- are not violated, especially on large projects. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_imports.html#ImportControl !-->
-        <!-- Default: OFF
-        <module name="ImportControl">
-            <property name="file" value=""/>
-            <property name="url"  value=""/>
-        </module>
-        !-->
-
-        <!-- Checks the ordering/grouping of imports. !-->
-        <!-- See http://checkstyle.sf.net/config_import.html !-->
-        <module name="ImportOrder">
-            <property name="option"        value="under"/>
-            <property name="groups"        value="java,javax,junit,org,com,ch,de,kieker,kieker.test"/>
-            <property name="ordered"       value="true"/>
-            <property name="separated"     value="true"/>
-            <property name="caseSensitive" value="true"/>
-        </module>
-
-        <!-- Checks for redundant import statements. !-->
-        <!-- See http://checkstyle.sf.net/config_import.html !-->
-        <module name="RedundantImport"/>
-
-        <!-- Checks for unused import statements. !-->
-        <!-- See http://checkstyle.sf.net/config_import.html !-->
-        <module name="UnusedImports"/>
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     J A V A D O C S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks to ensure that the javadoc tags exist (if required) !-->
-        <!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocMethod !-->
-        <!-- KIEKER: adapted !-->
-        <module name="JavadocMethod">
-            <property name="severity" value="info"/>
-            <property name="scope"                        value="protected"/>
-            <!--
-            <property name="excludeScope"                 value=""/>
-            !-->
-            <property name="allowUndeclaredRTE"           value="false"/>
-            <property name="allowThrowsTagsForSubclasses" value="false"/>
-            <property name="allowMissingParamTags"        value="false"/>
-            <property name="allowMissingThrowsTags"       value="false"/>
-            <property name="allowMissingReturnTag"        value="false"/>
-            <property name="allowMissingJavadoc"          value="false"/>
-            <property name="allowMissingPropertyJavadoc"  value="true"/>
-            <property name="logLoadErrors"                value="true"/>
-            <property name="suppressLoadErrors"           value="false"/>
-            <property name="tokens"                       value="METHOD_DEF, CTOR_DEF"/>
-        </module>
-
-        <!-- Validates Javadoc comments to help ensure they are well formed. !-->
-        <!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocStyle !-->
-        <module name="JavadocStyle">
-            <property name="severity"            value="info"/>
-            <property name="scope"               value="private"/>
-            <!--
-            <property name="excludeScope"        value=""/>
-            !-->
-            <property name="checkFirstSentence"  value="true"/>
-<!--TODO:            <property name="endOfSentenceFormat" value="([.?!][ \t\n\r\f<])|([.?!]$)"/> !-->
-            <property name="checkEmptyJavadoc"   value="false"/>
-            <property name="checkHtml"           value="false"/>
-            <property name="tokens"              value="INTERFACE_DEF, CLASS_DEF, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>
-        </module>
-
-        <!-- Checks Javadoc comments for class and interface definitions. !-->
-        <!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocType !-->
-        <module name="JavadocType">
-            <property name="severity" value="info"/>
-            <property name="scope"                 value="private"/>
-            <!--<property name="excludeScope"          value=""/>!-->
-            <property name="authorFormat"          value=""/>
-            <!--<property name="versionFormat"         value=""/>!-->
-            <property name="allowMissingParamTags" value="false"/>
-            <property name="allowUnknownTags"      value="false"/>
-            <property name="tokens"                value="INTERFACE_DEF, CLASS_DEF"/>
-        </module>
-
-        <module name="JavadocType">
-            <property name="severity" value="error"/>
-            <property name="scope" value="package"/>
-            <property name="authorFormat" value="\S"/>
-        </module>
-
-        <!-- Checks that variables have Javadoc comments. !-->
-        <!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocVariable !-->
-        <module name="JavadocVariable">
-            <property name="severity" value="info"/>
-            <property name="scope"        value="protected"/>
-            <!--
-            <property name="excludeScope" value=""/>
-            !-->
-        </module>
-
-        <!-- Outputs a JavaDoc tag as information. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_javadoc.html#WriteTag !-->
-        <!-- KIEKER
-        <module name="WriteTag">
-            <property name="severity" value="info"/>
-            <property name="tag"         value=""/>
-            <property name="tagFormat"   value=""/>
-            <property name="tagSeverity" value="info"/>
-        </module>
-        -->
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     M E T R I C S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Restrict the number of number of &&, || and ^ in an expression. !-->
-        <!-- See http://checkstyle.sf.net/config_metrics.html !-->
-        <!--  KIEKER Off -->
-        <!-- <module name="BooleanExpressionComplexity">
-            <property name="severity" value="info"/>
-            <property name="max"    value="3"/>
-            <property name="tokens" value="LAND, BAND, LOR, BOR, BXOR"/>
-        </module> -->
-
-        <!-- This metric measures the number of instantiations of other classes within the given class. !-->
-        <!-- See http://checkstyle.sf.net/config_metrics.html !-->
-        <!--  KIEKER Off -->
-        <!-- <module name="ClassDataAbstractionCoupling">
-            <property name="severity" value="info"/>
-            <property name="max" value="7"/>
-        </module> -->
-
-        <!-- The number of other classes a given class relies on. !-->
-        <!-- See http://checkstyle.sf.net/config_metrics.html !-->
-         <!--  KIEKER Off -->
-        <!--<module name="ClassFanOutComplexity">
-            <property name="severity" value="info"/>
-            <property name="max" value="20"/>
-        </module> -->
-
-        <!-- Checks cyclomatic complexity against a specified limit. !-->
-        <!-- See http://checkstyle.sf.net/config_metrics.html !-->
-        <module name="CyclomaticComplexity">
-            <property name="severity" value="ignore"/>
-            <property name="max" value="10"/>
-        </module>
-
-        <!-- Determines complexity of methods, classes and files by counting the Non Commenting Source Statements (NCSS). !-->
-        <!-- See http://checkstyle.sourceforge.net/config_metrics.html#JavaNCSS !-->
-        <!--  KIEKER Off -->
-        <!--<module name="JavaNCSS">
-            <property name="severity" value="info"/>
-            <property name="methodMaximum" value="50"/>
-            <property name="classMaximum"  value="1500"/>
-            <property name="fileMaximum"   value="2000"/>
-        </module> -->
-
-        <!-- The NPATH metric computes the number of possible execution paths through a function. !-->
-        <!-- See http://checkstyle.sf.net/config_metrics.html !-->
-         <!--  KIEKER Off -->
-         <!--<module name="NPathComplexity">
-            <property name="severity" value="info"/>
-            <property name="max" value="200"/>
-        </module> -->
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     M I S C E L L A N E O U S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks the style of array type definitions. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <module name="ArrayTypeStyle">
-            <property name="javaStyle" value="true"/>
-        </module>
-
-        <!-- Checks for restricted tokens beneath other tokens. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <!-- Default: OFF
-        <module name="DescendantToken">
-            <property name="tokens"         value=""/>
-            <property name="limitedTokens"  value=""/>
-            <property name="minimumDepth"   value="0"/>
-            <property name="maximumDepth"   value="java.lang.Integer.MAX_VALUE"/>
-            <property name="minimumNumber"  value="0"/>
-            <property name="maximumNumber"  value="java.lang.Integer.MAX_VALUE"/>
-            <property name="sumTokenCounts" value="false"/>
-            <property name="minimumMessage" value="descendant.token.min"/>
-            <property name="maximumMessage" value="descendant.token.max"/>
-        </module>
-        !-->
-
-        <!-- Check that method/constructor parameters are final. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <module name="FinalParameters">
-            <property name="tokens" value="METHOD_DEF, CTOR_DEF"/>
-        </module>
-
-        <!-- A generic check for code problems - the user can search for any pattern. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <!-- Default: OFF
-        <module name="GenericIllegalRegexp">
-            <property name="format"         value="\S\s+$"/>
-            <property name="message"        value="Line has trailing spaces."/>
-            <property name="ignoreCase"     value="false"/>
-            <property name="ignoreComments" value="false"/>
-        </module>
-        !-->
-
-        <!-- Checks correct indentation of Java Code. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <!-- KIEKER deactivated for now 
-        <module name="Indentation">
-            <property name="severity"        value="info"/>        
-            <property name="basicOffset"     value="4"/>
-            <property name="braceAdjustment" value="0"/>
-            <property name="caseIndent"      value="0"/>
-        </module>
-        !-->
-
-        <!-- Checks that the outer type name and the file name match. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_misc.html#OuterTypeFilename !-->
-        <module name="OuterTypeFilename"/>
-
-        <!-- A check for TODO: comments. Actually it is a generic regular expression matcher on Java comments. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <!-- Kieker !-->
-        <module name="TodoComment">
-            <property name="format" value="TODO"/>
-            <property name="severity" value="warning"/>
-        </module>
-        <module name="TodoComment">
-            <property name="format" value="FIXME"/>
-            <property name="severity" value="error"/>
-        </module>
-
-        <!-- The check to ensure that requires that comments be the only thing on a line. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <!-- KIEKER we use them
-        <module name="TrailingComment">
-            <property name="format"       value="^[\\s\\}\\);]*$"/>
-            <property name="legalComment" value=""/>
-        </module>
-        -->
-
-        <!-- Checks for uncommented main() methods (debugging leftovers). !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <!-- KIEKER do not check for these
-        <module name="UncommentedMain">
-            <property name="severity" value="info"/> 
-            <property name="excludedClasses" value="Main$"/>
-        </module>
-        -->
-
-        <!-- Checks that long constants are defined with an upper ell. That is 'L' and not 'l'. !-->
-        <!-- See http://checkstyle.sf.net/config_misc.html !-->
-        <module name="UpperEll"/>
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     M O D I F I E R S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks that the order of modifiers conforms to the suggestions in the Java Language specification, !-->
-        <!-- sections 8.1.1, 8.3.1 and 8.4.3. !-->
-        <!-- See http://checkstyle.sf.net/config_modifiers.html !-->
-        <module name="ModifierOrder"/>
-
-        <!-- Checks that there are no redundant modifiers. !-->
-        <!-- See http://checkstyle.sf.net/config_modifiers.html !-->
-        <!-- KIEKER off
-        <module name="RedundantModifier">
-            <property name="tokens" value="METHOD_DEF, VARIABLE_DEF, ANNOTATION_FIELD_DEF"/>
-        </module>
-        !-->
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     N A M I N G   C O N V E N T I O N S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks for abstract class name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <!-- KIEKER removed |^.*Factory$ -->
-        <module name="AbstractClassName">
-            <property name="format"         value="^Abstract.*$"/>
-            <property name="ignoreModifier" value="false"/>
-            <property name="ignoreName"     value="false"/>
-        </module>
-
-        <!-- Checks for class type parameter name naming conventions. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_naming.html#ClassTypeParameterName !-->
-        <module name="ClassTypeParameterName">
-            <property name="format" value="^[A-Z]$"/>
-        </module>
-
-        <!-- Checks for constant name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="ConstantName">
-            <property name="format"           value="^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$"/>
-            <property name="applyToPublic"    value="true"/>
-            <property name="applyToProtected" value="true"/>
-            <property name="applyToPackage"   value="true"/>
-            <property name="applyToPrivate"   value="true"/>
-        </module>
-
-        <!-- Checks for local final variable name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="LocalFinalVariableName">
-            <property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
-            <property name="tokens" value="VARIABLE_DEF, PARAMETER_DEF"/>
-        </module>
-
-        <!-- Checks for local variable name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="LocalVariableName">
-            <property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
-            <property name="tokens" value="PARAMETER_DEF"/>
-        </module>
-
-        <!-- Checks for member variable name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="MemberName">
-            <property name="format"           value="^[a-z][a-zA-Z0-9]*$"/>
-            <property name="applyToPublic"    value="true"/>
-            <property name="applyToProtected" value="true"/>
-            <property name="applyToPackage"   value="true"/>
-            <property name="applyToPrivate"   value="true"/>
-        </module>
-
-        <!-- Checks for method name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="MethodName">
-            <property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
-        </module>
-
-        <!-- Checks for method type parameter name naming conventions. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_naming.html#MethodTypeParameterName !-->
-        <module name="MethodTypeParameterName">
-            <property name="format" value="^[A-Z]$"/>
-        </module>
-
-        <!-- Checks for package name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="PackageName">
-            <property name="format" value="^[a-z]+(\.[a-zA-Z_][a-zA-Z0-9_]*)*$"/>
-        </module>
-
-        <!-- Checks for parameter name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="ParameterName">
-            <property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
-        </module>
-
-        <!-- Checks for static variable name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <module name="StaticVariableName">
-            <property name="format"           value="^[a-z][a-zA-Z0-9]*$"/>
-            <property name="applyToPublic"    value="true"/>
-            <property name="applyToProtected" value="true"/>
-            <property name="applyToPackage"   value="true"/>
-            <property name="applyToPrivate"   value="true"/>
-        </module>
-
-        <!-- Checks for type name naming conventions. !-->
-        <!-- See http://checkstyle.sf.net/config_naming.html !-->
-        <!-- KIEKER: modded -->
-        <module name="TypeName">
-            <property name="format"           value="^[A-Z][a-zA-Z0-9]*$"/>
-            <property name="tokens"           value="CLASS_DEF"/>
-            <property name="applyToPublic"    value="true"/>
-            <property name="applyToProtected" value="true"/>
-            <property name="applyToPackage"   value="true"/>
-            <property name="applyToPrivate"   value="true"/>
-        </module>
-
-        <module name="TypeName">
-            <property name="format"           value="^I[A-Z][a-zA-Z0-9]*$"/>
-            <property name="tokens"           value="INTERFACE_DEF"/>
-            <property name="applyToPublic"    value="true"/>
-            <property name="applyToProtected" value="true"/>
-            <property name="applyToPackage"   value="true"/>
-            <property name="applyToPrivate"   value="true"/>
-        </module>
-
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     R E G E X P
-         !________________________________________________________________________________________
-         !-->
-        <!-- A check that makes sure that a specified pattern exists, exists less than a set number of times, !-->
-        <!-- or does not exist in the file. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_misc.html#Regexp !-->
-        <!-- Default: OFF
-        <module name="Regexp">
-            <property name="format"         value=""/>
-            <property name="message"        value=""/>
-            <property name="illegalPattern" value="false"/>
-            <property name="duplicateLimit" value="-1"/>
-            <property name="errorLimit"     value="100"/>
-            <property name="ignoreComments" value="false"/>
-        </module>
-        !-->
-
-        <!-- This class is variation on RegexpSingleline for detecting single lines that match a !-->
-        <!-- supplied regular expression in Java files. It supports suppressing matches in Java comments. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_regexp.html#RegexpSinglelineJava !-->
-        <!-- Default: OFF
-        <module name="RegexpSinglelineJava">
-            <property name="format"         value=""/>
-            <property name="message"        value=""/>
-            <property name="ignoreCase"     value="false"/>
-            <property name="minimum"        value="0"/>
-            <property name="maximum"        value="0"/>
-            <property name="ignoreComments" value="false"/>
-        </module>
-        !-->
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     S I Z E   V I O L A T I O N S
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks for long anonymous inner classes. !-->
-        <!-- See http://checkstyle.sf.net/config_sizes.html !-->
-        <!--  KIEKER Set to 50 instead of 20 -->
-        <module name="AnonInnerLength">
-            <property name="severity" value="info"/>
-            <property name="max" value="50"/>
-        </module>
-
-        <!-- Restricts the number of executable statements to a specified limit. !-->
-        <!-- See http://checkstyle.sf.net/config_sizes.html !-->
-        <!-- KIEKER off
-        <module name="ExecutableStatementCount">
-            <property name="severity" value="info"/>
-            <property name="max"    value="30"/>
-            <property name="tokens" value="CTOR_DEF, METHOD_DEF, INSTANCE_INIT, STATIC_INIT"/>
-        </module>
-        !-->
-
-        <!-- See http://checkstyle.sf.net/config_sizes.html !-->
-        <!-- Checks for long lines. !-->
-        <module name="LineLength">
-            <property name="severity" value="info"/>
-            <property name="ignorePattern" value="^$"/>
-            <property name="max"           value="165"/>
-        </module>
-
-        <!-- Checks the number of methods declared in each type. This includes the number of each scope !-->
-        <!-- (private, package, protected and public) as well as an overall total. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_sizes.html#MethodCount !-->
-        <module name="MethodCount">
-            <property name="severity" value="info"/>
-            <property name="maxTotal"     value="100"/>
-            <property name="maxPrivate"   value="100"/>
-            <property name="maxPackage"   value="100"/>
-            <property name="maxProtected" value="100"/>
-            <property name="maxPublic"    value="100"/>
-        </module>
-
-        <!-- Checks for long methods and constructors. !-->
-        <!-- See http://checkstyle.sf.net/config_sizes.html !-->
-        <module name="MethodLength">
-            <property name="severity" value="info"/>
-            <property name="max"        value="150"/>
-            <property name="countEmpty" value="true"/>
-            <property name="tokens"     value="METHOD_DEF, CTOR_DEF"/>
-        </module>
-
-        <!-- Checks for the number of types declared at the outer (or root) level in a file. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_sizes.html#OuterTypeNumber !-->
-        <!-- KIEKER 2 !-->
-        <module name="OuterTypeNumber">
-            <property name="max" value="2"/>
-        </module>
-
-        <!-- Checks the number of parameters of a method or constructor. !-->
-        <!-- See http://checkstyle.sf.net/config_sizes.html !-->
-        <!-- KIEKER off
-        <module name="ParameterNumber">
-            <property name="severity" value="info"/>
-            <property name="max"    value="7"/>
-            <property name="tokens" value="METHOD_DEF, CTOR_DEF"/>
-        </module>
-        !-->
-
-        <!--
-         !________________________________________________________________________________________
-         !
-         !     W H I T E S P A C E
-         !________________________________________________________________________________________
-         !-->
-        <!-- Checks the padding of an empty for initializer. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="EmptyForInitializerPad">
-            <property name="option" value="nospace"/>
-        </module>
-
-        <!-- Checks the padding of an empty for iterator. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="EmptyForIteratorPad">
-            <property name="option" value="nospace"/>
-        </module>
-
-        <!-- Checks that the whitespace around the Generic tokens < and > is correct to the typical convention. !-->
-        <!-- See http://checkstyle.sourceforge.net/config_whitespace.html#GenericWhitespace !-->
-        <module name="GenericWhitespace"/>
-
-        <!-- Checks the padding between the identifier of a method definition, !-->
-        <!-- constructor definition, method call, or constructor invocation; and the left parenthesis of the parameter list. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="MethodParamPad">
-            <property name="allowLineBreaks" value="false"/>
-            <property name="option"          value="nospace"/>
-            <property name="tokens"          value="CTOR_DEF, LITERAL_NEW, METHOD_CALL, METHOD_DEF, SUPER_CTOR_CALL "/>
-        </module>
-
-        <!-- Checks that there is no whitespace after a token. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <!-- KIEKER removed ARRAY_INIT !-->
-        <module name="NoWhitespaceAfter">
-            <property name="allowLineBreaks" value="true"/>
-            <property name="tokens"          value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS, UNARY_PLUS"/>
-        </module>
-
-        <!-- Checks that there is no whitespace before a token. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="NoWhitespaceBefore">
-            <property name="allowLineBreaks" value="false"/>
-            <property name="tokens"          value="SEMI, POST_DEC, POST_INC"/>
-        </module>
-
-        <!-- Checks the policy on how to wrap lines on operators. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="OperatorWrap">
-            <property name="option" value="nl"/>
-            <property name="tokens" value="BAND, BOR, BSR, BXOR, COLON, DIV,
+                                           SR_ASSIGN, STAR_ASSIGN" />
+		</module>
+
+		<!-- Ensures that the setUp(), tearDown()methods are named correctly, have 
+			no arguments, ! -->
+		<!-- return void and are either public or protected. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- <module name="JUnitTestCase"/> -->
+
+		<!-- Checks that there are no "magic numbers", where a magic number is 
+			a numeric literal ! -->
+		<!-- that is not defined as a constant. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- deactivated for Kieker <module name="MagicNumber"> <property name="tokens" 
+			value="NUM_DOUBLE, NUM_FLOAT, NUM_INT, NUM_LONG"/> <property name="ignoreNumbers" 
+			value="-1, 0, 1, 2"/> <property name="ignoreHashCodeMethod" value="false"/> 
+			</module> ! -->
+
+		<!-- Checks that classes (except abtract one) define a ctor and don't rely 
+			on the default one. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- <module name="MissingCtor" /> -->
+
+		<!-- Checks that switch statement has "default" clause. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="MissingSwitchDefault" />
+
+		<!-- Check for ensuring that for loop control variables are not modified 
+			inside the for block. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#ModifiedControlVariable 
+			! -->
+		<module name="ModifiedControlVariable" />
+
+		<!-- Checks for multiple occurrences of the same string literal within 
+			a single file. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#MultipleStringLiterals 
+			! -->
+		<!-- KIEKER off for now <module name="MultipleStringLiterals"> <property 
+			name="allowedDuplicates" value="1"/> <property name="ignoreStringsRegexp" 
+			value='^""$'/> <property name="ignoreOccurrenceContext" value="ANNOTATION"/> 
+			</module> ! -->
+
+		<!-- Checks that each variable declaration is in its own statement and 
+			on its own line. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="MultipleVariableDeclarations" />
+
+		<!-- Restricts nested for blocks to a specified depth. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#NestedForDepth 
+			! -->
+		<module name="NestedForDepth">
+			<property name="max" value="2" />
+		</module>
+
+		<!-- Restricts nested if-else blocks to a specified depth. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="NestedIfDepth">
+			<property name="max" value="3" />
+		</module>
+
+		<!-- Restricts nested try-catch blocks to a specified depth. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="NestedTryDepth">
+			<property name="max" value="1" />
+		</module>
+
+		<!-- Checks that the clone method is not overridden from the Object class. 
+			! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#NoClone ! -->
+		<module name="NoClone" />
+
+		<!-- Verifies there are no finalize() methods defined in a class. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#NoFinalizer 
+			! -->
+		<module name="NoFinalizer" />
+
+		<!-- Checks there is only one statement per line. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_coding.html#OneStatementPerLine 
+			! -->
+		<module name="OneStatementPerLine" />
+
+		<!-- Ensure a class has a package declaration. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="PackageDeclaration">
+		</module>
+
+		<!-- Disallow assignment of parameters. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="ParameterAssignment" />
+
+		<!-- Checks that code doesn't rely on the "this." default. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="RequireThis">
+			<property name="checkFields" value="false" />
+			<property name="checkMethods" value="false" />
+		</module>
+
+		<!-- Restrict the number of return statements. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="ReturnCount">
+			<property name="max" value="2" />
+			<property name="format" value="" />
+		</module>
+
+		<!-- Checks for overly complicated boolean expressions. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+
+		<module name="SimplifyBooleanExpression" />
+
+		<!-- Checks for overly complicated boolean return statements. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="SimplifyBooleanReturn" />
+
+		<!-- Checks that string literals are not used with == or !=. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="StringLiteralEquality" />
+
+		<!-- Checks that an overriding clone() method invokes super.clone(). ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="SuperClone" />
+
+		<!-- Checks that an overriding finalize() method invokes super.finalize(). 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<module name="SuperFinalize" />
+
+		<!-- Checks for the use of unnecessary parentheses. ! -->
+		<!-- See http://checkstyle.sf.net/config_coding.html ! -->
+		<!-- already checked by PMD -->
+		<!-- <module name="UnnecessaryParentheses" /> -->
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! I M P O R T S !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks that there are no import statements that use the * notation. 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_import.html ! -->
+		<module name="AvoidStarImport">
+			<property name="excludes"
+				value="org.junit.*,org.hamcrest.*,teetime.framework.test.StageTester" />
+			<property name="allowClassImports" value="false" />
+			<property name="allowStaticMemberImports" value="false" />
+		</module>
+
+		<!-- Checks that there are no static import statements. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_imports.html#AvoidStaticImport! -->
+		<!-- excludes does not work -->
+		<!-- <module name="AvoidStaticImport"> -->
+		<!-- <property name="excludes" value="org.junit.*,org.hamcrest.*,teetime.framework.test.StageTester" 
+			/> -->
+		<!-- </module> -->
+
+		<!-- Checks for imports from a set of illegal packages. ! -->
+		<!-- See http://checkstyle.sf.net/config_import.html ! -->
+		<module name="IllegalImport">
+			<property name="illegalPkgs" value="junit.framework" />
+			<property name="illegalPkgs" value="sun" />
+			<property name="illegalPkgs" value="org.apache.commons.logging" />
+			<property name="illegalPkgs" value="java.util.logging" />
+		</module>
+
+		<!-- Controls what can be imported in each package. Useful for ensuring 
+			that application layering rules ! -->
+		<!-- are not violated, especially on large projects. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_imports.html#ImportControl 
+			! -->
+		<!-- Default: OFF <module name="ImportControl"> <property name="file" value=""/> 
+			<property name="url" value=""/> </module> ! -->
+
+		<!-- Checks the ordering/grouping of imports. ! -->
+		<!-- See http://checkstyle.sf.net/config_import.html ! -->
+		<!-- checkstyle complains about the following order and I do not know why 
+			=> deactivated import java.util.ArrayList; import java.util.List; -->
+		<!-- <module name="ImportOrder"> -->
+		<!-- <property name="option" value="under" /> -->
+		<!-- <property name="groups" -->
+		<!-- value="java,javax,org,com,ch,de" /> -->
+		<!-- <property name="ordered" value="false" /> -->
+		<!-- <property name="separated" value="false" /> -->
+		<!-- <property name="caseSensitive" value="true" /> -->
+		<!-- </module> -->
+
+		<!-- Checks for redundant import statements. ! -->
+		<!-- See http://checkstyle.sf.net/config_import.html ! -->
+		<module name="RedundantImport" />
+
+		<!-- Checks for unused import statements. ! -->
+		<!-- See http://checkstyle.sf.net/config_import.html ! -->
+		<module name="UnusedImports" />
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! J A V A D O C S !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks to ensure that the javadoc tags exist (if required) ! -->
+		<!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocMethod ! -->
+		<!-- KIEKER: adapted ! -->
+		<module name="JavadocMethod">
+			<property name="severity" value="info" />
+			<property name="scope" value="protected" />
+			<!-- <property name="excludeScope" value=""/> ! -->
+			<property name="allowUndeclaredRTE" value="false" />
+			<property name="allowThrowsTagsForSubclasses" value="false" />
+			<property name="allowMissingParamTags" value="false" />
+			<property name="allowMissingThrowsTags" value="false" />
+			<property name="allowMissingReturnTag" value="false" />
+			<property name="allowMissingJavadoc" value="true" />
+			<property name="allowMissingPropertyJavadoc" value="true" />
+			<property name="logLoadErrors" value="true" />
+			<property name="suppressLoadErrors" value="false" />
+			<property name="tokens" value="METHOD_DEF, CTOR_DEF" />
+		</module>
+
+		<!-- Validates Javadoc comments to help ensure they are well formed. ! -->
+		<!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocStyle ! -->
+		<module name="JavadocStyle">
+			<property name="severity" value="info" />
+			<property name="scope" value="private" />
+			<!-- <property name="excludeScope" value=""/> ! -->
+			<property name="checkFirstSentence" value="false" />
+			<!--TODO: <property name="endOfSentenceFormat" value="([.?!][ \t\n\r\f<])|([.?!]$)"/> 
+				! -->
+			<property name="checkEmptyJavadoc" value="false" />
+			<property name="checkHtml" value="false" />
+			<property name="tokens"
+				value="INTERFACE_DEF, CLASS_DEF, METHOD_DEF, CTOR_DEF, VARIABLE_DEF" />
+		</module>
+
+		<!-- Checks Javadoc comments for class and interface definitions. ! -->
+		<!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocType ! -->
+		<module name="JavadocType">
+			<property name="severity" value="info" />
+			<property name="scope" value="private" />
+			<!--<property name="excludeScope" value=""/>! -->
+			<property name="authorFormat" value="" />
+			<!--<property name="versionFormat" value=""/>! -->
+			<property name="allowMissingParamTags" value="false" />
+			<property name="allowUnknownTags" value="false" />
+			<property name="tokens" value="INTERFACE_DEF, CLASS_DEF" />
+		</module>
+
+		<module name="JavadocType">
+			<property name="severity" value="error" />
+			<property name="scope" value="package" />
+			<property name="authorFormat" value="\S" />
+		</module>
+
+		<!-- Checks that variables have Javadoc comments. ! -->
+		<!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocVariable ! -->
+		<module name="JavadocVariable">
+			<property name="severity" value="info" />
+			<property name="scope" value="protected" />
+			<!-- <property name="excludeScope" value=""/> ! -->
+		</module>
+
+		<!-- Outputs a JavaDoc tag as information. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_javadoc.html#WriteTag 
+			! -->
+		<!-- KIEKER <module name="WriteTag"> <property name="severity" value="info"/> 
+			<property name="tag" value=""/> <property name="tagFormat" value=""/> <property 
+			name="tagSeverity" value="info"/> </module> -->
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! M E T R I C S !________________________________________________________________________________________ 
+			! -->
+		<!-- Restrict the number of number of &&, || and ^ in an expression. ! -->
+		<!-- See http://checkstyle.sf.net/config_metrics.html ! -->
+		<!-- KIEKER Off -->
+		<!-- <module name="BooleanExpressionComplexity"> <property name="severity" 
+			value="info"/> <property name="max" value="3"/> <property name="tokens" value="LAND, 
+			BAND, LOR, BOR, BXOR"/> </module> -->
+
+		<!-- This metric measures the number of instantiations of other classes 
+			within the given class. ! -->
+		<!-- See http://checkstyle.sf.net/config_metrics.html ! -->
+		<!-- KIEKER Off -->
+		<!-- <module name="ClassDataAbstractionCoupling"> <property name="severity" 
+			value="info"/> <property name="max" value="7"/> </module> -->
+
+		<!-- The number of other classes a given class relies on. ! -->
+		<!-- See http://checkstyle.sf.net/config_metrics.html ! -->
+		<!-- KIEKER Off -->
+		<!--<module name="ClassFanOutComplexity"> <property name="severity" value="info"/> 
+			<property name="max" value="20"/> </module> -->
+
+		<!-- Checks cyclomatic complexity against a specified limit. ! -->
+		<!-- See http://checkstyle.sf.net/config_metrics.html ! -->
+		<module name="CyclomaticComplexity">
+			<property name="severity" value="ignore" />
+			<property name="max" value="10" />
+		</module>
+
+		<!-- Determines complexity of methods, classes and files by counting the 
+			Non Commenting Source Statements (NCSS). ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_metrics.html#JavaNCSS 
+			! -->
+		<!-- KIEKER Off -->
+		<!--<module name="JavaNCSS"> <property name="severity" value="info"/> <property 
+			name="methodMaximum" value="50"/> <property name="classMaximum" value="1500"/> 
+			<property name="fileMaximum" value="2000"/> </module> -->
+
+		<!-- The NPATH metric computes the number of possible execution paths through 
+			a function. ! -->
+		<!-- See http://checkstyle.sf.net/config_metrics.html ! -->
+		<!-- KIEKER Off -->
+		<!--<module name="NPathComplexity"> <property name="severity" value="info"/> 
+			<property name="max" value="200"/> </module> -->
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! M I S C E L L A N E O U S !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks the style of array type definitions. ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<module name="ArrayTypeStyle">
+			<property name="javaStyle" value="true" />
+		</module>
+
+		<!-- Checks for restricted tokens beneath other tokens. ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<!-- Default: OFF <module name="DescendantToken"> <property name="tokens" 
+			value=""/> <property name="limitedTokens" value=""/> <property name="minimumDepth" 
+			value="0"/> <property name="maximumDepth" value="java.lang.Integer.MAX_VALUE"/> 
+			<property name="minimumNumber" value="0"/> <property name="maximumNumber" 
+			value="java.lang.Integer.MAX_VALUE"/> <property name="sumTokenCounts" value="false"/> 
+			<property name="minimumMessage" value="descendant.token.min"/> <property 
+			name="maximumMessage" value="descendant.token.max"/> </module> ! -->
+
+		<!-- Check that method/constructor parameters are final. ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<module name="FinalParameters">
+			<property name="tokens" value="METHOD_DEF, CTOR_DEF" />
+		</module>
+
+		<!-- A generic check for code problems - the user can search for any pattern. 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<!-- Default: OFF <module name="GenericIllegalRegexp"> <property name="format" 
+			value="\S\s+$"/> <property name="message" value="Line has trailing spaces."/> 
+			<property name="ignoreCase" value="false"/> <property name="ignoreComments" 
+			value="false"/> </module> ! -->
+
+		<!-- Checks correct indentation of Java Code. ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<!-- KIEKER deactivated for now <module name="Indentation"> <property name="severity" 
+			value="info"/> <property name="basicOffset" value="4"/> <property name="braceAdjustment" 
+			value="0"/> <property name="caseIndent" value="0"/> </module> ! -->
+
+		<!-- Checks that the outer type name and the file name match. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_misc.html#OuterTypeFilename 
+			! -->
+		<module name="OuterTypeFilename" />
+
+		<!-- A check for TODO: comments. Actually it is a generic regular expression 
+			matcher on Java comments. ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<module name="TodoComment">
+			<property name="format" value="TODO" />
+			<property name="severity" value="info" />
+		</module>
+		<module name="TodoComment">
+			<property name="format" value="FIXME" />
+			<property name="severity" value="error" />
+		</module>
+
+		<!-- The check to ensure that requires that comments be the only thing 
+			on a line. ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<!-- KIEKER we use them <module name="TrailingComment"> <property name="format" 
+			value="^[\\s\\}\\);]*$"/> <property name="legalComment" value=""/> </module> -->
+
+		<!-- Checks for uncommented main() methods (debugging leftovers). ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<!-- KIEKER do not check for these <module name="UncommentedMain"> <property 
+			name="severity" value="info"/> <property name="excludedClasses" value="Main$"/> 
+			</module> -->
+
+		<!-- Checks that long constants are defined with an upper ell. That is 
+			'L' and not 'l'. ! -->
+		<!-- See http://checkstyle.sf.net/config_misc.html ! -->
+		<module name="UpperEll" />
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! M O D I F I E R S !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks that the order of modifiers conforms to the suggestions in 
+			the Java Language specification, ! -->
+		<!-- sections 8.1.1, 8.3.1 and 8.4.3. ! -->
+		<!-- See http://checkstyle.sf.net/config_modifiers.html ! -->
+		<module name="ModifierOrder" />
+
+		<!-- Checks that there are no redundant modifiers. ! -->
+		<!-- See http://checkstyle.sf.net/config_modifiers.html ! -->
+		<!-- KIEKER off <module name="RedundantModifier"> <property name="tokens" 
+			value="METHOD_DEF, VARIABLE_DEF, ANNOTATION_FIELD_DEF"/> </module> ! -->
+
+		<!-- !________________________________________________________________________________________ 
+			! ! N A M I N G C O N V E N T I O N S !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks for abstract class name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<!-- KIEKER removed |^.*Factory$ -->
+		<module name="AbstractClassName">
+			<property name="format" value="^Abstract.*$" />
+			<property name="ignoreModifier" value="false" />
+			<property name="ignoreName" value="false" />
+		</module>
+
+		<!-- Checks for class type parameter name naming conventions. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_naming.html#ClassTypeParameterName 
+			! -->
+		<module name="ClassTypeParameterName">
+			<property name="format" value="^[A-Z]$" />
+		</module>
+
+		<!-- Checks for constant name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="ConstantName">
+			<property name="format" value="^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$" />
+			<property name="applyToPublic" value="true" />
+			<property name="applyToProtected" value="true" />
+			<property name="applyToPackage" value="true" />
+			<property name="applyToPrivate" value="true" />
+		</module>
+
+		<!-- Checks for local final variable name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="LocalFinalVariableName">
+			<property name="format" value="^[a-z][a-zA-Z0-9]*$" />
+			<property name="tokens" value="VARIABLE_DEF, PARAMETER_DEF" />
+		</module>
+
+		<!-- Checks for local variable name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="LocalVariableName">
+			<property name="format" value="^[a-z][a-zA-Z0-9]*$" />
+			<property name="tokens" value="PARAMETER_DEF" />
+		</module>
+
+		<!-- Checks for member variable name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="MemberName">
+			<property name="format" value="^[a-z][a-zA-Z0-9]*$" />
+			<property name="applyToPublic" value="true" />
+			<property name="applyToProtected" value="true" />
+			<property name="applyToPackage" value="true" />
+			<property name="applyToPrivate" value="true" />
+		</module>
+
+		<!-- Checks for method name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="MethodName">
+			<property name="format" value="^[a-z][a-zA-Z0-9]*$" />
+		</module>
+
+		<!-- Checks for method type parameter name naming conventions. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_naming.html#MethodTypeParameterName 
+			! -->
+		<module name="MethodTypeParameterName">
+			<property name="format" value="^[A-Z]$" />
+		</module>
+
+		<!-- Checks for package name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="PackageName">
+			<property name="format" value="^[a-z]+(\.[a-zA-Z_][a-zA-Z0-9_]*)*$" />
+		</module>
+
+		<!-- Checks for parameter name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="ParameterName">
+			<property name="format" value="^[a-z][a-zA-Z0-9]*$" />
+		</module>
+
+		<!-- Checks for static variable name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<module name="StaticVariableName">
+			<property name="format" value="^[a-z][a-zA-Z0-9]*$" />
+			<property name="applyToPublic" value="true" />
+			<property name="applyToProtected" value="true" />
+			<property name="applyToPackage" value="true" />
+			<property name="applyToPrivate" value="true" />
+		</module>
+
+		<!-- Checks for type name naming conventions. ! -->
+		<!-- See http://checkstyle.sf.net/config_naming.html ! -->
+		<!-- KIEKER: modded -->
+		<module name="TypeName">
+			<property name="format" value="^[A-Z][a-zA-Z0-9]*$" />
+			<property name="tokens" value="CLASS_DEF" />
+			<property name="applyToPublic" value="true" />
+			<property name="applyToProtected" value="true" />
+			<property name="applyToPackage" value="true" />
+			<property name="applyToPrivate" value="true" />
+		</module>
+
+		<module name="TypeName">
+			<property name="format" value="^I[A-Z][a-zA-Z0-9]*$" />
+			<property name="tokens" value="INTERFACE_DEF" />
+			<property name="applyToPublic" value="true" />
+			<property name="applyToProtected" value="true" />
+			<property name="applyToPackage" value="true" />
+			<property name="applyToPrivate" value="true" />
+		</module>
+
+
+		<!-- !________________________________________________________________________________________ 
+			! ! R E G E X P !________________________________________________________________________________________ 
+			! -->
+		<!-- A check that makes sure that a specified pattern exists, exists less 
+			than a set number of times, ! -->
+		<!-- or does not exist in the file. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_misc.html#Regexp ! -->
+		<!-- Default: OFF <module name="Regexp"> <property name="format" value=""/> 
+			<property name="message" value=""/> <property name="illegalPattern" value="false"/> 
+			<property name="duplicateLimit" value="-1"/> <property name="errorLimit" 
+			value="100"/> <property name="ignoreComments" value="false"/> </module> ! -->
+
+		<!-- This class is variation on RegexpSingleline for detecting single lines 
+			that match a ! -->
+		<!-- supplied regular expression in Java files. It supports suppressing 
+			matches in Java comments. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_regexp.html#RegexpSinglelineJava 
+			! -->
+		<!-- Default: OFF <module name="RegexpSinglelineJava"> <property name="format" 
+			value=""/> <property name="message" value=""/> <property name="ignoreCase" 
+			value="false"/> <property name="minimum" value="0"/> <property name="maximum" 
+			value="0"/> <property name="ignoreComments" value="false"/> </module> ! -->
+
+		<!-- !________________________________________________________________________________________ 
+			! ! S I Z E V I O L A T I O N S !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks for long anonymous inner classes. ! -->
+		<!-- See http://checkstyle.sf.net/config_sizes.html ! -->
+		<!-- KIEKER Set to 50 instead of 20 -->
+		<module name="AnonInnerLength">
+			<property name="severity" value="info" />
+			<property name="max" value="50" />
+		</module>
+
+		<!-- Restricts the number of executable statements to a specified limit. 
+			! -->
+		<!-- See http://checkstyle.sf.net/config_sizes.html ! -->
+		<!-- KIEKER off <module name="ExecutableStatementCount"> <property name="severity" 
+			value="info"/> <property name="max" value="30"/> <property name="tokens" 
+			value="CTOR_DEF, METHOD_DEF, INSTANCE_INIT, STATIC_INIT"/> </module> ! -->
+
+		<!-- See http://checkstyle.sf.net/config_sizes.html ! -->
+		<!-- Checks for long lines. ! -->
+		<module name="LineLength">
+			<property name="severity" value="info" />
+			<property name="ignorePattern" value="^$" />
+			<property name="max" value="165" />
+		</module>
+
+		<!-- Checks the number of methods declared in each type. This includes 
+			the number of each scope ! -->
+		<!-- (private, package, protected and public) as well as an overall total. 
+			! -->
+		<!-- See http://checkstyle.sourceforge.net/config_sizes.html#MethodCount 
+			! -->
+		<module name="MethodCount">
+			<property name="severity" value="info" />
+			<property name="maxTotal" value="100" />
+			<property name="maxPrivate" value="100" />
+			<property name="maxPackage" value="100" />
+			<property name="maxProtected" value="100" />
+			<property name="maxPublic" value="100" />
+		</module>
+
+		<!-- Checks for long methods and constructors. ! -->
+		<!-- See http://checkstyle.sf.net/config_sizes.html ! -->
+		<module name="MethodLength">
+			<property name="severity" value="info" />
+			<property name="max" value="150" />
+			<property name="countEmpty" value="true" />
+			<property name="tokens" value="METHOD_DEF, CTOR_DEF" />
+		</module>
+
+		<!-- Checks for the number of types declared at the outer (or root) level 
+			in a file. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_sizes.html#OuterTypeNumber 
+			! -->
+		<!-- KIEKER 2 ! -->
+		<module name="OuterTypeNumber">
+			<property name="max" value="2" />
+		</module>
+
+		<!-- Checks the number of parameters of a method or constructor. ! -->
+		<!-- See http://checkstyle.sf.net/config_sizes.html ! -->
+		<!-- KIEKER off <module name="ParameterNumber"> <property name="severity" 
+			value="info"/> <property name="max" value="7"/> <property name="tokens" value="METHOD_DEF, 
+			CTOR_DEF"/> </module> ! -->
+
+		<!-- !________________________________________________________________________________________ 
+			! ! W H I T E S P A C E !________________________________________________________________________________________ 
+			! -->
+		<!-- Checks the padding of an empty for initializer. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="EmptyForInitializerPad">
+			<property name="option" value="nospace" />
+		</module>
+
+		<!-- Checks the padding of an empty for iterator. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="EmptyForIteratorPad">
+			<property name="option" value="nospace" />
+		</module>
+
+		<!-- Checks that the whitespace around the Generic tokens < and > is correct 
+			to the typical convention. ! -->
+		<!-- See http://checkstyle.sourceforge.net/config_whitespace.html#GenericWhitespace 
+			! -->
+		<module name="GenericWhitespace" />
+
+		<!-- Checks the padding between the identifier of a method definition, 
+			! -->
+		<!-- constructor definition, method call, or constructor invocation; and 
+			the left parenthesis of the parameter list. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="MethodParamPad">
+			<property name="allowLineBreaks" value="false" />
+			<property name="option" value="nospace" />
+			<property name="tokens"
+				value="CTOR_DEF, LITERAL_NEW, METHOD_CALL, METHOD_DEF, SUPER_CTOR_CALL " />
+		</module>
+
+		<!-- Checks that there is no whitespace after a token. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<!-- KIEKER removed ARRAY_INIT ! -->
+		<module name="NoWhitespaceAfter">
+			<property name="allowLineBreaks" value="true" />
+			<property name="tokens"
+				value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS, UNARY_PLUS" />
+		</module>
+
+		<!-- Checks that there is no whitespace before a token. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="NoWhitespaceBefore">
+			<property name="allowLineBreaks" value="false" />
+			<property name="tokens" value="SEMI, POST_DEC, POST_INC" />
+		</module>
+
+		<!-- Checks the policy on how to wrap lines on operators. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="OperatorWrap">
+			<property name="option" value="nl" />
+			<property name="tokens"
+				value="BAND, BOR, BSR, BXOR, COLON, DIV,
                                            EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF,
                                            LOR, LT, MINUS, MOD, NOT_EQUAL,
-                                           PLUS, QUESTION, SL, SR, STAR"/>
-        </module>
-
-        <!-- Checks the policy on the padding of parentheses. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="ParenPad">
-            <property name="option" value="nospace"/>
-            <property name="tokens" value="CTOR_CALL, LPAREN, METHOD_CALL, RPAREN, SUPER_CTOR_CALL"/>
-        </module>
-
-        <!-- Checks the policy on the padding of parentheses for typecasts. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="TypecastParenPad">
-            <property name="option" value="nospace"/>
-            <property name="tokens" value="TYPECAST, RPAREN"/>
-        </module>
-
-        <!-- Checks that a token is followed by whitespace. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="WhitespaceAfter">
-            <property name="tokens" value="COMMA, SEMI, TYPECAST"/>
-        </module>
-
-        <!-- Checks that a token is surrounded by whitespace. !-->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html !-->
-        <module name="WhitespaceAround">
-            <property name="tokens" value="ASSIGN, BAND, BAND_ASSIGN, BOR, BOR_ASSIGN, BSR, BSR_ASSIGN,
+                                           PLUS, QUESTION, SL, SR, STAR" />
+		</module>
+
+		<!-- Checks the policy on the padding of parentheses. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="ParenPad">
+			<property name="option" value="nospace" />
+			<property name="tokens"
+				value="CTOR_CALL, LPAREN, METHOD_CALL, RPAREN, SUPER_CTOR_CALL" />
+		</module>
+
+		<!-- Checks the policy on the padding of parentheses for typecasts. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="TypecastParenPad">
+			<property name="option" value="nospace" />
+			<property name="tokens" value="TYPECAST, RPAREN" />
+		</module>
+
+		<!-- Checks that a token is followed by whitespace. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="WhitespaceAfter">
+			<property name="tokens" value="COMMA, SEMI, TYPECAST" />
+		</module>
+
+		<!-- Checks that a token is surrounded by whitespace. ! -->
+		<!-- See http://checkstyle.sf.net/config_whitespace.html ! -->
+		<module name="WhitespaceAround">
+			<property name="tokens"
+				value="ASSIGN, BAND, BAND_ASSIGN, BOR, BOR_ASSIGN, BSR, BSR_ASSIGN,
                                            BXOR, BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN, EQUAL, GE, GT, LAND,
                                            LE, LITERAL_ASSERT, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE,
                                            LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF, LITERAL_RETURN,
                                            LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE, LOR, LT,
                                            MINUS, MINUS_ASSIGN, MOD, MOD_ASSIGN, NOT_EQUAL, PLUS, PLUS_ASSIGN,
-                                           QUESTION, SL, SLIST, SL_ASSIGN, SR, SR_ASSIGN, STAR, STAR_ASSIGN"/>
-            <property name="allowEmptyConstructors" value="true"/>
-            <property name="allowEmptyMethods"      value="true"/>
-        </module>
+                                           QUESTION, SL, SLIST, SL_ASSIGN, SR, SR_ASSIGN, STAR, STAR_ASSIGN" />
+			<property name="allowEmptyConstructors" value="true" />
+			<property name="allowEmptyMethods" value="true" />
+		</module>
 
-    </module>
+	</module>
 
 </module>
diff --git a/src/main/java/teetime/framework/AbstractPort.java b/src/main/java/teetime/framework/AbstractPort.java
index 6d5bf310c8750238bd604a039c0d00ca3c534894..50693ae3cb70ba65ab3e50cc2a342006794b036a 100644
--- a/src/main/java/teetime/framework/AbstractPort.java
+++ b/src/main/java/teetime/framework/AbstractPort.java
@@ -19,6 +19,7 @@ import teetime.framework.pipe.IPipe;
 
 public abstract class AbstractPort<T> {
 
+	protected IPipe pipe;
 	/**
 	 * The type of this port.
 	 * <p>
@@ -29,8 +30,6 @@ public abstract class AbstractPort<T> {
 	private final Stage owningStage;
 	private final String name;
 
-	protected IPipe pipe;
-
 	protected AbstractPort(final Class<T> type, final Stage owningStage, final String name) {
 		super();
 		this.type = type;
diff --git a/src/main/java/teetime/framework/AbstractStage.java b/src/main/java/teetime/framework/AbstractStage.java
index 9ac7e9dfb07d623994b9b3997e6eccf72652d13a..bb9da6741ebc1a3e59f2c280be8e4a364535dfd9 100644
--- a/src/main/java/teetime/framework/AbstractStage.java
+++ b/src/main/java/teetime/framework/AbstractStage.java
@@ -38,12 +38,12 @@ public abstract class AbstractStage extends Stage {
 
 	@Override
 	protected List<InputPort<?>> getInputPorts() {
-		return inputPorts.getOpenedPorts();
+		return inputPorts.getOpenedPorts(); // TODO consider to publish a read-only version
 	}
 
 	@Override
 	protected List<OutputPort<?>> getOutputPorts() {
-		return outputPorts.getOpenedPorts();
+		return outputPorts.getOpenedPorts(); // TODO consider to publish a read-only version
 	}
 
 	@Override
@@ -74,7 +74,7 @@ public abstract class AbstractStage extends Stage {
 	 * @return <code>true</code> if this stage has already received the given <code>signal</code>, <code>false</code> otherwise
 	 */
 	protected boolean signalAlreadyReceived(final ISignal signal, final InputPort<?> inputPort) {
-		boolean signalAlreadyReceived = this.triggeredSignalTypes.contains(signal.getClass());
+		final boolean signalAlreadyReceived = this.triggeredSignalTypes.contains(signal.getClass());
 		if (signalAlreadyReceived) {
 			if (logger.isTraceEnabled()) {
 				logger.trace("Got signal again: " + signal + " from input port: " + inputPort);
diff --git a/src/main/java/teetime/framework/Configuration.java b/src/main/java/teetime/framework/Configuration.java
index 4a225fb22097c002aed3015b28c64f5cc950c0d4..098279e1b5ffd2d1ef1f8e640d06cedaf2ecc249 100644
--- a/src/main/java/teetime/framework/Configuration.java
+++ b/src/main/java/teetime/framework/Configuration.java
@@ -27,6 +27,10 @@ public class Configuration extends AbstractCompositeStage {
 
 	private boolean executed;
 
+	protected Configuration() {
+		// protected ctor to prevent direct instantiation.
+	}
+
 	boolean isExecuted() {
 		return executed;
 	}
@@ -35,7 +39,4 @@ public class Configuration extends AbstractCompositeStage {
 		this.executed = executed;
 	}
 
-	protected Configuration() {
-		// protected ctor to prevent direct instantiation.
-	}
 }
diff --git a/src/main/java/teetime/util/framework/concurrent/queue/putstrategy/YieldPutStrategy.java b/src/main/java/teetime/util/framework/concurrent/queue/putstrategy/YieldPutStrategy.java
index bbcc8c4d4316bcfa4d12c89519df80b64825c33b..276e4b06b14944bc00fd0b91be5594963fad71f5 100644
--- a/src/main/java/teetime/util/framework/concurrent/queue/putstrategy/YieldPutStrategy.java
+++ b/src/main/java/teetime/util/framework/concurrent/queue/putstrategy/YieldPutStrategy.java
@@ -17,20 +17,17 @@ package teetime.util.framework.concurrent.queue.putstrategy;
 
 import java.util.Queue;
 
-public class YieldPutStrategy<E> implements PutStrategy<E>
-{
+public class YieldPutStrategy<E> implements PutStrategy<E> {
+
 	@Override
-	public void backoffOffer(final Queue<E> q, final E e)
-	{
-		while (!q.offer(e))
-		{
+	public void backoffOffer(final Queue<E> q, final E e) {
+		while (!q.offer(e)) {
 			Thread.yield();
 		}
 	}
 
 	@Override
-	public void signal()
-	{
+	public void signal() {
 		// Nothing
 	}
 }
diff --git a/src/main/java/teetime/util/framework/concurrent/queue/takestrategy/SCParkTakeStrategy.java b/src/main/java/teetime/util/framework/concurrent/queue/takestrategy/SCParkTakeStrategy.java
index 881c1aebaa45959791fc772e6ccdc30e384ac74e..f50ee7178c41e63a3448563bf6b83b332731e90f 100644
--- a/src/main/java/teetime/util/framework/concurrent/queue/takestrategy/SCParkTakeStrategy.java
+++ b/src/main/java/teetime/util/framework/concurrent/queue/takestrategy/SCParkTakeStrategy.java
@@ -21,25 +21,22 @@ import java.util.concurrent.locks.LockSupport;
 
 public final class SCParkTakeStrategy<E> implements TakeStrategy<E> {
 
-	public volatile int storeFence = 0;
+	public volatile int storeFence = 0; // NOCS
 
 	private final AtomicReference<Thread> t = new AtomicReference<Thread>(null);
 
 	@Override
 	// Make sure the offer is visible before unpark
-	public void signal()
-	{
+	public void signal() {
 		storeFence = 1; // store barrier
 
 		LockSupport.unpark(t.get()); // t.get() load barrier
 	}
 
 	@Override
-	public E waitPoll(final Queue<E> q) throws InterruptedException
-	{
+	public E waitPoll(final Queue<E> q) throws InterruptedException {
 		E e = q.poll();
-		if (e != null)
-		{
+		if (e != null) {
 			return e;
 		}
 
diff --git a/src/test/java/teetime/stage/io/File2SeqOfWordsTest.java b/src/test/java/teetime/stage/io/File2SeqOfWordsTest.java
index e7dac5bd035601f4e7274ca2906f3bf39baa0583..3a2dbf964235abfb1820c0f9ab1350bb984defe3 100644
--- a/src/test/java/teetime/stage/io/File2SeqOfWordsTest.java
+++ b/src/test/java/teetime/stage/io/File2SeqOfWordsTest.java
@@ -30,8 +30,8 @@ public class File2SeqOfWordsTest {
 
 	@Test
 	public void testExecute() throws Exception {
-		File2SeqOfWords stage = new File2SeqOfWords(14);
-		List<String> outputSeqOfWords = new ArrayList<String>();
+		final File2SeqOfWords stage = new File2SeqOfWords(14);
+		final List<String> outputSeqOfWords = new ArrayList<String>();
 		StageTester.test(stage).send(Arrays.asList(new File("./src/test/resources/data/input.txt"))).to(stage.getInputPort()).and().receive(outputSeqOfWords)
 				.from(stage.getOutputPort()).start();
 		assertEquals(outputSeqOfWords.get(0), "Lorem ipsum");
diff --git a/src/test/java/teetime/stage/string/TokenizerTest.java b/src/test/java/teetime/stage/string/TokenizerTest.java
index cd8803204207fde8f02aa2410df112d7bab17fe7..0f0fcb24b1b833c84e06fdeccc26a900c5fe7068 100644
--- a/src/test/java/teetime/stage/string/TokenizerTest.java
+++ b/src/test/java/teetime/stage/string/TokenizerTest.java
@@ -39,7 +39,7 @@ public class TokenizerTest {
 
 	@Test
 	public void tokenizerShouldJustDelaySingleToken() {
-		List<String> results = new ArrayList<String>();
+		final List<String> results = new ArrayList<String>();
 
 		test(tokenizer).and().send("Hello World").to(tokenizer.getInputPort()).and().receive(results).from(tokenizer.getOutputPort()).start();
 
@@ -48,7 +48,7 @@ public class TokenizerTest {
 
 	@Test
 	public void tokenizerShouldSplitMultipleToken() {
-		List<String> results = new ArrayList<String>();
+		final List<String> results = new ArrayList<String>();
 
 		test(tokenizer).and().send("Hello;World").to(tokenizer.getInputPort()).and().receive(results).from(tokenizer.getOutputPort()).start();