diff --git a/build.gradle b/build.gradle
index c73a8582d8b08b21bb5667ebcc047933c890855b..957316bff2ad6b7e5ca6432ef43d44aa3e6e7d01 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ dependencies {
     api('org.industrial-devops:titan-ccp-common:0.0.3-SNAPSHOT') { changing = true }
     api 'net.kieker-monitoring:kieker:1.14-SNAPSHOT'
     api 'net.sourceforge.teetime:teetime:3.0'
-
+    
     // These dependencies are used internally, and not exposed to consumers on their own compile classpath.
     implementation 'org.apache.kafka:kafka-clients:2.1.0'
     implementation 'com.google.guava:guava:24.1-jre'
diff --git a/settings.gradle b/settings.gradle
index e3c73f5ef74c328e4aef187a8becf829a8ae5316..9796a4950011a9832e1da486fbb7363c403cd6eb 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -11,3 +11,6 @@ include 'uc3-application'
 
 include 'uc4-workload-generator'
 include 'uc4-application'
+
+include 'workload-generator-common'
+include 'test-workload-generator'
diff --git a/test-workload-generator/.directory b/test-workload-generator/.directory
new file mode 100644
index 0000000000000000000000000000000000000000..60c20eff55ff9e0062a815272153893728d74da3
--- /dev/null
+++ b/test-workload-generator/.directory
@@ -0,0 +1,6 @@
+[Dolphin]
+Timestamp=2020,5,12,13,3,57
+Version=4
+
+[Settings]
+HiddenFilesShown=true
diff --git a/test-workload-generator/.settings/org.eclipse.jdt.ui.prefs b/test-workload-generator/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000000000000000000000000000000000000..4e04e2891754324a6e1bf55348b6a38f592bb301
--- /dev/null
+++ b/test-workload-generator/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,127 @@
+cleanup.add_default_serial_version_id=true
+cleanup.add_generated_serial_version_id=false
+cleanup.add_missing_annotations=true
+cleanup.add_missing_deprecated_annotations=true
+cleanup.add_missing_methods=false
+cleanup.add_missing_nls_tags=false
+cleanup.add_missing_override_annotations=true
+cleanup.add_missing_override_annotations_interface_methods=true
+cleanup.add_serial_version_id=false
+cleanup.always_use_blocks=true
+cleanup.always_use_parentheses_in_expressions=false
+cleanup.always_use_this_for_non_static_field_access=true
+cleanup.always_use_this_for_non_static_method_access=true
+cleanup.convert_functional_interfaces=false
+cleanup.convert_to_enhanced_for_loop=true
+cleanup.correct_indentation=true
+cleanup.format_source_code=true
+cleanup.format_source_code_changes_only=false
+cleanup.insert_inferred_type_arguments=false
+cleanup.make_local_variable_final=true
+cleanup.make_parameters_final=true
+cleanup.make_private_fields_final=true
+cleanup.make_type_abstract_if_missing_method=false
+cleanup.make_variable_declarations_final=true
+cleanup.never_use_blocks=false
+cleanup.never_use_parentheses_in_expressions=true
+cleanup.organize_imports=true
+cleanup.qualify_static_field_accesses_with_declaring_class=false
+cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+cleanup.qualify_static_member_accesses_with_declaring_class=true
+cleanup.qualify_static_method_accesses_with_declaring_class=false
+cleanup.remove_private_constructors=true
+cleanup.remove_redundant_modifiers=false
+cleanup.remove_redundant_semicolons=false
+cleanup.remove_redundant_type_arguments=true
+cleanup.remove_trailing_whitespaces=true
+cleanup.remove_trailing_whitespaces_all=true
+cleanup.remove_trailing_whitespaces_ignore_empty=false
+cleanup.remove_unnecessary_casts=true
+cleanup.remove_unnecessary_nls_tags=true
+cleanup.remove_unused_imports=true
+cleanup.remove_unused_local_variables=false
+cleanup.remove_unused_private_fields=true
+cleanup.remove_unused_private_members=false
+cleanup.remove_unused_private_methods=true
+cleanup.remove_unused_private_types=true
+cleanup.sort_members=false
+cleanup.sort_members_all=false
+cleanup.use_anonymous_class_creation=false
+cleanup.use_blocks=true
+cleanup.use_blocks_only_for_return_and_throw=false
+cleanup.use_lambda=true
+cleanup.use_parentheses_in_expressions=true
+cleanup.use_this_for_non_static_field_access=true
+cleanup.use_this_for_non_static_field_access_only_if_necessary=false
+cleanup.use_this_for_non_static_method_access=true
+cleanup.use_this_for_non_static_method_access_only_if_necessary=false
+cleanup_profile=_CAU-SE-Style
+cleanup_settings_version=2
+eclipse.preferences.version=1
+editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
+formatter_profile=_CAU-SE-Style
+formatter_settings_version=15
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=99
+sp_cleanup.add_default_serial_version_id=true
+sp_cleanup.add_generated_serial_version_id=false
+sp_cleanup.add_missing_annotations=true
+sp_cleanup.add_missing_deprecated_annotations=true
+sp_cleanup.add_missing_methods=false
+sp_cleanup.add_missing_nls_tags=false
+sp_cleanup.add_missing_override_annotations=true
+sp_cleanup.add_missing_override_annotations_interface_methods=true
+sp_cleanup.add_serial_version_id=false
+sp_cleanup.always_use_blocks=true
+sp_cleanup.always_use_parentheses_in_expressions=false
+sp_cleanup.always_use_this_for_non_static_field_access=true
+sp_cleanup.always_use_this_for_non_static_method_access=true
+sp_cleanup.convert_functional_interfaces=false
+sp_cleanup.convert_to_enhanced_for_loop=true
+sp_cleanup.correct_indentation=true
+sp_cleanup.format_source_code=true
+sp_cleanup.format_source_code_changes_only=false
+sp_cleanup.insert_inferred_type_arguments=false
+sp_cleanup.make_local_variable_final=true
+sp_cleanup.make_parameters_final=true
+sp_cleanup.make_private_fields_final=true
+sp_cleanup.make_type_abstract_if_missing_method=false
+sp_cleanup.make_variable_declarations_final=true
+sp_cleanup.never_use_blocks=false
+sp_cleanup.never_use_parentheses_in_expressions=true
+sp_cleanup.on_save_use_additional_actions=true
+sp_cleanup.organize_imports=true
+sp_cleanup.qualify_static_field_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_with_declaring_class=true
+sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
+sp_cleanup.remove_private_constructors=true
+sp_cleanup.remove_redundant_modifiers=false
+sp_cleanup.remove_redundant_semicolons=true
+sp_cleanup.remove_redundant_type_arguments=true
+sp_cleanup.remove_trailing_whitespaces=true
+sp_cleanup.remove_trailing_whitespaces_all=true
+sp_cleanup.remove_trailing_whitespaces_ignore_empty=false
+sp_cleanup.remove_unnecessary_casts=true
+sp_cleanup.remove_unnecessary_nls_tags=true
+sp_cleanup.remove_unused_imports=true
+sp_cleanup.remove_unused_local_variables=false
+sp_cleanup.remove_unused_private_fields=true
+sp_cleanup.remove_unused_private_members=false
+sp_cleanup.remove_unused_private_methods=true
+sp_cleanup.remove_unused_private_types=true
+sp_cleanup.sort_members=false
+sp_cleanup.sort_members_all=false
+sp_cleanup.use_anonymous_class_creation=false
+sp_cleanup.use_blocks=true
+sp_cleanup.use_blocks_only_for_return_and_throw=false
+sp_cleanup.use_lambda=true
+sp_cleanup.use_parentheses_in_expressions=true
+sp_cleanup.use_this_for_non_static_field_access=true
+sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=false
+sp_cleanup.use_this_for_non_static_method_access=true
+sp_cleanup.use_this_for_non_static_method_access_only_if_necessary=false
diff --git a/test-workload-generator/.settings/qa.eclipse.plugin.checkstyle.prefs b/test-workload-generator/.settings/qa.eclipse.plugin.checkstyle.prefs
new file mode 100644
index 0000000000000000000000000000000000000000..87860c815222845c1d264d7d0ce498d3397f8280
--- /dev/null
+++ b/test-workload-generator/.settings/qa.eclipse.plugin.checkstyle.prefs
@@ -0,0 +1,4 @@
+configFilePath=../config/checkstyle.xml
+customModulesJarPaths=
+eclipse.preferences.version=1
+enabled=true
diff --git a/test-workload-generator/.settings/qa.eclipse.plugin.pmd.prefs b/test-workload-generator/.settings/qa.eclipse.plugin.pmd.prefs
new file mode 100644
index 0000000000000000000000000000000000000000..efbcb8c9e5d449194a48ca1ea42b7d807b573db9
--- /dev/null
+++ b/test-workload-generator/.settings/qa.eclipse.plugin.pmd.prefs
@@ -0,0 +1,4 @@
+customRulesJars=
+eclipse.preferences.version=1
+enabled=true
+ruleSetFilePath=../config/pmd.xml
diff --git a/test-workload-generator/build.gradle b/test-workload-generator/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..1c1986ab6d6ed0efc1f7577394358b19ed0c33e1
--- /dev/null
+++ b/test-workload-generator/build.gradle
@@ -0,0 +1,31 @@
+apply plugin: 'application'
+apply plugin: 'eclipse'
+
+buildscript {
+  repositories {
+    maven {
+      url "https://plugins.gradle.org/m2/"
+    }
+  }
+}
+
+sourceCompatibility = "1.11"
+targetCompatibility = "1.11"
+
+dependencies {
+    compile project(':')
+    compile 'org.slf4j:slf4j-simple:1.6.1'
+        
+
+    // Use JUnit test framework
+    testCompile 'junit:junit:4.12'
+}
+
+mainClassName = "test.Main"
+
+eclipse {
+    classpath {
+       downloadSources=true
+       downloadJavadoc=true
+    }
+}
diff --git a/test-workload-generator/docker-compose.yml b/test-workload-generator/docker-compose.yml
new file mode 100644
index 0000000000000000000000000000000000000000..a1d7533d2f46cb334e63738cb501d9223c309668
--- /dev/null
+++ b/test-workload-generator/docker-compose.yml
@@ -0,0 +1,7 @@
+version: '3.1'
+
+services:
+  zookeeper:
+    image: zookeeper
+    ports:
+      - 2181:2181
diff --git a/test-workload-generator/src/main/java/test/Main.java b/test-workload-generator/src/main/java/test/Main.java
new file mode 100644
index 0000000000000000000000000000000000000000..9172a7380469bb69451609c5434643cb8085d9c1
--- /dev/null
+++ b/test-workload-generator/src/main/java/test/Main.java
@@ -0,0 +1,31 @@
+package test;
+
+import common.KafkaWorkloadGenerator;
+import common.KafkaWorkloadGeneratorBuilder;
+import common.dimensions.Duration;
+import common.dimensions.KeySpace;
+import common.dimensions.Period;
+import common.messages.OutputMessage;
+import java.util.concurrent.TimeUnit;
+import titan.ccp.models.records.ActivePowerRecord;
+
+public class Main {
+
+  public static void main(final String[] args) {
+
+    final KafkaWorkloadGenerator generator =
+        KafkaWorkloadGeneratorBuilder.builder()
+            .setBeforeHook(() -> {
+              System.out.println("Before Hook");
+            })
+            .setKeySpace(new KeySpace(5))
+            .setPeriod(new Period(1000, TimeUnit.MILLISECONDS))
+            .setDuration(new Duration(60, TimeUnit.SECONDS))
+            .setGeneratorFunction(
+                key -> new OutputMessage(key, new ActivePowerRecord(key, 0L, 100d)))
+            .build();
+
+    generator.start();
+  }
+
+}
diff --git a/workload-generator-common/build.gradle b/workload-generator-common/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..7e1c2aebe2786c7fe525850613c1ee9105b66826
--- /dev/null
+++ b/workload-generator-common/build.gradle
@@ -0,0 +1,29 @@
+apply plugin: 'java-library'
+apply plugin: 'eclipse'
+
+buildscript {
+  repositories {
+    maven {
+      url "https://plugins.gradle.org/m2/"
+    }
+  }
+}
+
+sourceCompatibility = "1.11"
+targetCompatibility = "1.11"
+
+dependencies {
+    compile project(':')
+    compile 'org.apache.curator:curator-recipes:4.3.0'
+    compile 'org.slf4j:slf4j-simple:1.6.1'
+
+    // Use JUnit test framework
+    testCompile 'junit:junit:4.12'
+}
+
+eclipse {
+    classpath {
+       downloadSources=true
+       downloadJavadoc=true
+    }
+}
\ No newline at end of file
diff --git a/workload-generator-common/gradle/wrapper/gradle-wrapper.jar b/workload-generator-common/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..29953ea141f55e3b8fc691d31b5ca8816d89fa87
Binary files /dev/null and b/workload-generator-common/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/workload-generator-common/gradle/wrapper/gradle-wrapper.properties b/workload-generator-common/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..e0b3fb8d70b1bbf790f6f8ed1c928ddf09f54628
--- /dev/null
+++ b/workload-generator-common/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/workload-generator-common/gradlew b/workload-generator-common/gradlew
new file mode 100755
index 0000000000000000000000000000000000000000..cccdd3d517fc5249beaefa600691cf150f2fa3e6
--- /dev/null
+++ b/workload-generator-common/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/workload-generator-common/gradlew.bat b/workload-generator-common/gradlew.bat
new file mode 100644
index 0000000000000000000000000000000000000000..e95643d6a2ca62258464e83c72f5156dc941c609
--- /dev/null
+++ b/workload-generator-common/gradlew.bat
@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/workload-generator-common/settings.gradle b/workload-generator-common/settings.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..13a527c8d9af1885e1ba49f647bd4243907c82a7
--- /dev/null
+++ b/workload-generator-common/settings.gradle
@@ -0,0 +1,10 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ * 
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user guide at https://docs.gradle.org/4.10.2/userguide/multi_project_builds.html
+ */
+
+rootProject.name = 'workload-generator-common'
diff --git a/workload-generator-common/src/main/java/common/IWorkloadGenerator.java b/workload-generator-common/src/main/java/common/IWorkloadGenerator.java
new file mode 100644
index 0000000000000000000000000000000000000000..b4b94f2d77ac4a1c31b7d32f0b7db241b174aa3b
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/IWorkloadGenerator.java
@@ -0,0 +1,10 @@
+package common;
+
+public interface IWorkloadGenerator {
+
+  
+  public void start();
+  public void stop();
+  
+  
+}
diff --git a/workload-generator-common/src/main/java/common/KafkaWorkloadGenerator.java b/workload-generator-common/src/main/java/common/KafkaWorkloadGenerator.java
new file mode 100644
index 0000000000000000000000000000000000000000..f34630813c48df91c6134a344e3be6063a911a15
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/KafkaWorkloadGenerator.java
@@ -0,0 +1,38 @@
+package common;
+
+import common.dimensions.Duration;
+import common.dimensions.KeySpace;
+import common.dimensions.Period;
+import common.functions.BeforeAction;
+import common.functions.MessageGenerator;
+import communication.kafka.KafkaRecordSender;
+import titan.ccp.models.records.ActivePowerRecord;
+
+public class KafkaWorkloadGenerator extends WorkloadGenerator {
+  
+  private final KafkaRecordSender<ActivePowerRecord> recordSender;
+  
+  public KafkaWorkloadGenerator(
+      final KeySpace keySpace,
+      final Period period,
+      final Duration duration,
+      final BeforeAction beforeHook,
+      final MessageGenerator generatorFunction,
+      final KafkaRecordSender<ActivePowerRecord> recordSender
+      ) {
+    super(keySpace, period, duration, beforeHook, generatorFunction, outputMessage -> {
+      //recordSender.write(outputMessage.getValue()); removed for dev
+      System.out.println(outputMessage.getKey());
+    });
+    this.recordSender = recordSender;
+  }
+
+  
+  @Override
+  public void stop() {
+    System.out.println("subclass terminated");
+   // this.recordSender.terminate();
+    
+    super.stop();
+  }
+}
diff --git a/workload-generator-common/src/main/java/common/KafkaWorkloadGeneratorBuilder.java b/workload-generator-common/src/main/java/common/KafkaWorkloadGeneratorBuilder.java
new file mode 100644
index 0000000000000000000000000000000000000000..fc737df4ec6080fe1393c4c3fae755451c2e2347
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/KafkaWorkloadGeneratorBuilder.java
@@ -0,0 +1,74 @@
+package common;
+
+import java.util.Objects;
+import common.dimensions.Duration;
+import common.dimensions.KeySpace;
+import common.dimensions.Period;
+import common.functions.BeforeAction;
+import common.functions.MessageGenerator;
+import communication.kafka.KafkaRecordSender;
+import titan.ccp.models.records.ActivePowerRecord;
+
+public class KafkaWorkloadGeneratorBuilder {
+        
+  private KeySpace keySpace;
+  
+  private Period period;
+  
+  private Duration duration;
+  
+  private BeforeAction beforeAction;
+  
+  private MessageGenerator generatorFunction;
+  
+  private KafkaRecordSender<ActivePowerRecord> kafkaRecordSender;
+    
+  private KafkaWorkloadGeneratorBuilder() {
+    
+  }
+  
+  public static KafkaWorkloadGeneratorBuilder builder() {
+    return new KafkaWorkloadGeneratorBuilder();
+  }
+  
+  public KafkaWorkloadGeneratorBuilder setBeforeHook(final BeforeAction beforeAction) {
+    this.beforeAction = beforeAction;
+    return this;
+  }
+  
+  public KafkaWorkloadGeneratorBuilder setKeySpace(final KeySpace keySpace) {
+    this.keySpace = keySpace;
+    return this;
+  }
+  
+  public KafkaWorkloadGeneratorBuilder setPeriod(final Period period) {
+    this.period = period;
+    return this;
+  }
+  
+  public KafkaWorkloadGeneratorBuilder setDuration(final Duration duration) {
+    this.duration = duration;
+    return this;
+  }
+  
+  public KafkaWorkloadGeneratorBuilder setGeneratorFunction(final MessageGenerator generatorFunction) {
+    this.generatorFunction = generatorFunction;
+    return this;
+  }
+  
+  public KafkaWorkloadGeneratorBuilder setKafkaRecordSender(final KafkaRecordSender<ActivePowerRecord> kafkaRecordSender) {
+    this.kafkaRecordSender = kafkaRecordSender;
+    return this;
+  }
+  
+  public KafkaWorkloadGenerator build() {
+    Objects.requireNonNull(this.keySpace, "Please specify the key space.");
+    Objects.requireNonNull(this.period, "Please specify the period.");
+    Objects.requireNonNull(this.duration, "Please specify the duration.");
+    final BeforeAction beforeAction = Objects.requireNonNullElse(this.beforeAction, () -> {});
+    Objects.requireNonNull(this.generatorFunction, "Please specify the generator function.");
+    //Objects.requireNonNull(this.kafkaRecordSender, "Please specify the kafka record sender.");
+            
+    return new KafkaWorkloadGenerator(this.keySpace, this.period, this.duration, beforeAction, this.generatorFunction, this.kafkaRecordSender);
+  }
+}
diff --git a/workload-generator-common/src/main/java/common/Worker.java b/workload-generator-common/src/main/java/common/Worker.java
new file mode 100644
index 0000000000000000000000000000000000000000..cd03219ead1624d0a658dcb2987413b09997b19a
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/Worker.java
@@ -0,0 +1,15 @@
+package common;
+
+public class Worker {
+  private final int id;
+  
+  public Worker(final int id) {
+    super();
+    this.id = id;
+  }
+  
+  public int getId() {
+    return this.id;
+  }
+  
+}
diff --git a/workload-generator-common/src/main/java/common/WorkloadDeclaration.java b/workload-generator-common/src/main/java/common/WorkloadDeclaration.java
new file mode 100644
index 0000000000000000000000000000000000000000..08f3ceea0670d90b2367ff176257fc404bb3e94a
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/WorkloadDeclaration.java
@@ -0,0 +1,36 @@
+package common;
+
+import common.dimensions.KeySpace;
+
+public class WorkloadDeclaration {
+  private final KeySpace keySpace;
+  private final int numberOfWorkers;
+  
+  public WorkloadDeclaration(final KeySpace keySpace, final int numberOfWorkers) {
+
+    this.keySpace = keySpace;
+    this.numberOfWorkers = numberOfWorkers;
+  }
+  
+  public KeySpace getKeySpace() {
+    return this.keySpace;
+  }
+  
+  public int getNumberOfWorkers() {
+    return this.numberOfWorkers;
+  }
+  
+  /*
+   * Replace by json format serialization/deserialization
+   */
+  @Override
+  public String toString() {
+    return this.getKeySpace().getPrefix() + ";" + this.getKeySpace().getMin() + ";" + this.getKeySpace().getMax() + ";" + this.getNumberOfWorkers();
+  }
+
+  public static WorkloadDeclaration fromString(String declarationString) {
+    final String[] deserialized = declarationString.split(";");
+ 
+    return new WorkloadDeclaration(new KeySpace(deserialized[0], Integer.valueOf(deserialized[1]), Integer.valueOf(deserialized[2])), Integer.valueOf(deserialized[3]));
+  }
+}
diff --git a/workload-generator-common/src/main/java/common/WorkloadEntity.java b/workload-generator-common/src/main/java/common/WorkloadEntity.java
new file mode 100644
index 0000000000000000000000000000000000000000..0ab11f3c38de6f9e18d7e9dadaa67b16dc4e250b
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/WorkloadEntity.java
@@ -0,0 +1,18 @@
+package common;
+
+import common.functions.MessageGenerator;
+import common.messages.OutputMessage;
+
+public class WorkloadEntity {
+  private final String key;
+  private final MessageGenerator generator;
+  
+  public WorkloadEntity(final String key, final MessageGenerator generator) {
+    this.key = key;
+    this.generator = generator;
+  }
+  
+  public OutputMessage generateMessage() {
+    return this.generator.generateMessage(this.key);
+  }
+}
diff --git a/workload-generator-common/src/main/java/common/WorkloadGenerator.java b/workload-generator-common/src/main/java/common/WorkloadGenerator.java
new file mode 100644
index 0000000000000000000000000000000000000000..74b1bb3ca5fff5346074b83b2d4b722341286ec3
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/WorkloadGenerator.java
@@ -0,0 +1,109 @@
+package common;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.function.BiConsumer;
+import java.util.function.BiFunction;
+import common.dimensions.Duration;
+import common.dimensions.KeySpace;
+import common.dimensions.Period;
+import common.functions.BeforeAction;
+import common.functions.MessageGenerator;
+import common.functions.Transport;
+import common.messages.OutputMessage;
+import communication.zookeeper.leader.WorkloadDistributor;
+
+public abstract class WorkloadGenerator implements IWorkloadGenerator {
+  
+  private final KeySpace keySpace;
+  
+  private final Period period;
+  
+  private final Duration duration;
+    
+  private final BeforeAction beforeAction;
+  
+  private final BiFunction<WorkloadDeclaration, Worker, List<WorkloadEntity>> workloadSelector;
+  
+  private final MessageGenerator generatorFunction;
+    
+  private final Transport transport; // connect with previous stage by generating workloadentities from workloadranges / exchange via ZK
+  
+  private WorkloadDistributor workloadDistributor;
+  
+  private final ScheduledExecutorService executor;
+  
+  @Override
+  public void start() {
+    this.workloadDistributor.start();
+  }
+
+  @Override
+  public void stop() {
+    this.workloadDistributor.stop();
+    this.executor.shutdown();
+  }
+
+  public WorkloadGenerator(
+      final KeySpace keySpace,
+      final Period period,
+      final Duration duration,
+      final BeforeAction beforeHook,
+      final MessageGenerator generatorFunction,
+      final Transport transport
+      ) {
+    this.period = period;
+    this.keySpace = keySpace;
+    this.duration = duration;
+    this.beforeAction = beforeHook;
+    this.generatorFunction = generatorFunction;
+    this.workloadSelector = (workloadDeclaration, worker) -> {
+      final List<WorkloadEntity> workloadEntities = new LinkedList<>();
+      
+      // construct workload entities of the subspace, this worker is accountable for
+      // counting modulo #of workers with offset of the current worker id (worker ids starting at 0)
+      for (int i = workloadDeclaration.getKeySpace().getMin() + worker.getId(); i <= workloadDeclaration.getKeySpace().getMax(); i+=workloadDeclaration.getNumberOfWorkers()) {
+        final String id = workloadDeclaration.getKeySpace().getPrefix() + i;
+        workloadEntities.add(new WorkloadEntity(id, this.generatorFunction));
+      }
+      
+      return workloadEntities;
+    };
+    this.transport = transport;
+            
+    final int threads = 10; // env
+    this.executor = Executors.newScheduledThreadPool(threads);
+    final Random random = new Random();
+    
+    final int periodMs = period.getDuration();
+    
+    final BiConsumer<WorkloadDeclaration, Worker> workerAction = (declaration, worker) -> {
+      
+      List<WorkloadEntity> entities = this.workloadSelector.apply(declaration, worker);
+  
+      System.out.println("Beginning of Experiment...");
+      entities.forEach(entity -> {
+        final OutputMessage message = entity.generateMessage();
+        final long initialDelay = random.nextInt(periodMs);
+        executor.scheduleAtFixedRate(() -> this.transport.consume(message), initialDelay, periodMs, period.getTimeUnit());
+  
+      });
+      
+      try {
+        System.out.println("Experiment is going to be executed for the specified duration...");
+        executor.awaitTermination(duration.getDuration(), duration.getTimeUnit());
+        System.out.println("Terminating now...");
+        this.stop();
+      } catch (InterruptedException e) {
+        // TODO Auto-generated catch block
+        e.printStackTrace();
+      }      
+    };
+    
+    this.workloadDistributor = new WorkloadDistributor(this.keySpace, workerAction);
+  }
+}
diff --git a/workload-generator-common/src/main/java/common/dimensions/Duration.java b/workload-generator-common/src/main/java/common/dimensions/Duration.java
new file mode 100644
index 0000000000000000000000000000000000000000..ac4474d4f010d25016bdce1ee449646651869c48
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/dimensions/Duration.java
@@ -0,0 +1,23 @@
+package common.dimensions;
+
+import java.util.concurrent.TimeUnit;
+
+public class Duration {
+  private final int duration;
+  private final TimeUnit timeUnit;
+  
+  public Duration(final int duration, final TimeUnit timeUnit) {
+    super();
+    this.duration = duration;
+    this.timeUnit = timeUnit;
+  }
+
+  public int getDuration() {
+    return duration;
+  }
+
+  public TimeUnit getTimeUnit() {
+    return timeUnit;
+  }
+
+}
diff --git a/workload-generator-common/src/main/java/common/dimensions/KeySpace.java b/workload-generator-common/src/main/java/common/dimensions/KeySpace.java
new file mode 100644
index 0000000000000000000000000000000000000000..963dacd906bfa0868e92c7ad4f0815d55db1801d
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/dimensions/KeySpace.java
@@ -0,0 +1,38 @@
+package common.dimensions;
+
+public class KeySpace {
+  
+  private final String prefix;
+  private final int min;
+  private final int max;
+  
+  
+  public KeySpace(final String prefix, final int min, final int max) {
+    super();
+    this.prefix = prefix;
+    this.min = min;
+    this.max = max;
+  }
+  
+  public KeySpace(final String prefix, final int numberOfKeys) {
+    this(prefix, 0, numberOfKeys-1);
+  }
+  
+  public KeySpace(final int numberOfKeys) {
+    this("sensor_", 0, numberOfKeys-1);
+  }
+
+  public String getPrefix() {
+    return prefix;
+  }
+
+
+  public int getMin() {
+    return min;
+  }
+
+
+  public int getMax() {
+    return max;
+  }
+}
diff --git a/workload-generator-common/src/main/java/common/dimensions/Period.java b/workload-generator-common/src/main/java/common/dimensions/Period.java
new file mode 100644
index 0000000000000000000000000000000000000000..e50f375eaea78228b5ae2b73e999cf3cebd2a9a3
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/dimensions/Period.java
@@ -0,0 +1,24 @@
+package common.dimensions;
+
+import java.util.concurrent.TimeUnit;
+
+public class Period {
+  
+  private final int period;
+  private final TimeUnit timeUnit;
+  
+  public Period(final int period, final TimeUnit timeUnit) {
+    super();
+    this.period = period;
+    this.timeUnit = timeUnit;
+  }
+
+  public int getDuration() {
+    return period;
+  }
+
+  public TimeUnit getTimeUnit() {
+    return timeUnit;
+  }
+
+}
diff --git a/workload-generator-common/src/main/java/common/functions/BeforeAction.java b/workload-generator-common/src/main/java/common/functions/BeforeAction.java
new file mode 100644
index 0000000000000000000000000000000000000000..c6a40b91be2e7387de4f61b05d3616576498ceff
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/functions/BeforeAction.java
@@ -0,0 +1,8 @@
+package common.functions;
+
+@FunctionalInterface
+public interface BeforeAction {
+
+  public void f();
+  
+}
diff --git a/workload-generator-common/src/main/java/common/functions/MessageGenerator.java b/workload-generator-common/src/main/java/common/functions/MessageGenerator.java
new file mode 100644
index 0000000000000000000000000000000000000000..d8432185ec10fd9f950b0f5b239fc4c02daa2780
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/functions/MessageGenerator.java
@@ -0,0 +1,10 @@
+package common.functions;
+
+import common.messages.OutputMessage;
+
+@FunctionalInterface
+public interface MessageGenerator {
+
+  public OutputMessage generateMessage(final String key);
+  
+}
diff --git a/workload-generator-common/src/main/java/common/functions/Transport.java b/workload-generator-common/src/main/java/common/functions/Transport.java
new file mode 100644
index 0000000000000000000000000000000000000000..fb203a607ae464917b540e8f44a2159c77ef9cdf
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/functions/Transport.java
@@ -0,0 +1,10 @@
+package common.functions;
+
+import common.messages.OutputMessage;
+
+@FunctionalInterface
+public interface Transport {
+  
+  public void consume(final OutputMessage message);
+
+}
diff --git a/workload-generator-common/src/main/java/common/messages/OutputMessage.java b/workload-generator-common/src/main/java/common/messages/OutputMessage.java
new file mode 100644
index 0000000000000000000000000000000000000000..a0d30bdcd68c94a0bdf5927fa279c766c1538296
--- /dev/null
+++ b/workload-generator-common/src/main/java/common/messages/OutputMessage.java
@@ -0,0 +1,23 @@
+package common.messages;
+
+import titan.ccp.models.records.ActivePowerRecord;
+
+public class OutputMessage {
+  private String key;
+  private ActivePowerRecord value;
+  
+  public OutputMessage(String key, ActivePowerRecord value) {
+    super();
+    this.key = key;
+    this.value = value;
+  }
+
+  public String getKey() {
+    return key;
+  }
+
+  public ActivePowerRecord getValue() {
+    return value;
+  }
+  
+}
diff --git a/workload-generator-common/src/main/java/communication/kafka/KafkaRecordSender.java b/workload-generator-common/src/main/java/communication/kafka/KafkaRecordSender.java
new file mode 100644
index 0000000000000000000000000000000000000000..e31ed829f44e02598852e6894b6c5f9bfc45f4e7
--- /dev/null
+++ b/workload-generator-common/src/main/java/communication/kafka/KafkaRecordSender.java
@@ -0,0 +1,84 @@
+package communication.kafka;
+
+import java.util.Properties;
+import java.util.function.Function;
+import kieker.common.record.IMonitoringRecord;
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.clients.producer.Producer;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.apache.kafka.common.serialization.StringSerializer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import titan.ccp.common.kieker.kafka.IMonitoringRecordSerde;
+
+
+/**
+ * Sends monitoring records to Kafka.
+ *
+ * @param <T> {@link IMonitoringRecord} to send
+ */
+public class KafkaRecordSender<T extends IMonitoringRecord> {
+
+  private static final Logger LOGGER = LoggerFactory.getLogger(KafkaRecordSender.class);
+
+  private final String topic;
+
+  private final Function<T, String> keyAccessor;
+
+  private final Function<T, Long> timestampAccessor;
+
+  private final Producer<String, T> producer;
+
+  public KafkaRecordSender(final String bootstrapServers, final String topic) {
+    this(bootstrapServers, topic, x -> "", x -> null, new Properties());
+  }
+
+  public KafkaRecordSender(final String bootstrapServers, final String topic,
+      final Function<T, String> keyAccessor) {
+    this(bootstrapServers, topic, keyAccessor, x -> null, new Properties());
+  }
+
+  public KafkaRecordSender(final String bootstrapServers, final String topic,
+      final Function<T, String> keyAccessor, final Function<T, Long> timestampAccessor) {
+    this(bootstrapServers, topic, keyAccessor, timestampAccessor, new Properties());
+  }
+
+  /**
+   * Create a new {@link KafkaRecordSender}.
+   */
+  public KafkaRecordSender(final String bootstrapServers, final String topic,
+      final Function<T, String> keyAccessor, final Function<T, Long> timestampAccessor,
+      final Properties defaultProperties) {
+    this.topic = topic;
+    this.keyAccessor = keyAccessor;
+    this.timestampAccessor = timestampAccessor;
+
+    final Properties properties = new Properties();
+    properties.putAll(defaultProperties);
+    properties.put("bootstrap.servers", bootstrapServers);
+    // properties.put("acks", this.acknowledges);
+    // properties.put("batch.size", this.batchSize);
+    // properties.put("linger.ms", this.lingerMs);
+    // properties.put("buffer.memory", this.bufferMemory);
+
+    this.producer = new KafkaProducer<>(properties, new StringSerializer(),
+        IMonitoringRecordSerde.serializer());
+  }
+
+  /**
+   * Write the passed monitoring record to Kafka.
+   */
+  public void write(final T monitoringRecord) {
+    final ProducerRecord<String, T> record =
+        new ProducerRecord<>(this.topic, null, this.timestampAccessor.apply(monitoringRecord),
+            this.keyAccessor.apply(monitoringRecord), monitoringRecord);
+
+    LOGGER.debug("Send record to Kafka topic {}: {}", this.topic, record);
+    this.producer.send(record);
+  }
+
+  public void terminate() {
+    this.producer.close();
+  }
+
+}
diff --git a/workload-generator-common/src/main/java/communication/zookeeper/leader/WorkloadDistributor.java b/workload-generator-common/src/main/java/communication/zookeeper/leader/WorkloadDistributor.java
new file mode 100644
index 0000000000000000000000000000000000000000..40060d865675526c8991f7a225c6cfdf4dd7d30b
--- /dev/null
+++ b/workload-generator-common/src/main/java/communication/zookeeper/leader/WorkloadDistributor.java
@@ -0,0 +1,122 @@
+package communication.zookeeper.leader;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.curator.framework.CuratorFrameworkFactory;
+import org.apache.curator.framework.api.CuratorWatcher;
+import org.apache.curator.framework.recipes.atomic.AtomicValue;
+import org.apache.curator.framework.recipes.atomic.DistributedAtomicInteger;
+import org.apache.curator.framework.recipes.cache.NodeCache;
+import org.apache.curator.framework.recipes.cache.NodeCacheListener;
+import org.apache.curator.framework.recipes.nodes.PersistentNode;
+import org.apache.curator.retry.RetryNTimes;
+import org.apache.zookeeper.CreateMode;
+import org.apache.zookeeper.WatchedEvent;
+import org.apache.zookeeper.Watcher.Event.EventType;
+import common.Worker;
+import common.WorkloadDeclaration;
+import common.dimensions.KeySpace;
+
+public class WorkloadDistributor {
+  
+  
+  private static final String COUNTER_PATH = "/counter";
+  private static final String WORKLOAD_PATH = "/workload";
+  private static final String WORKLOAD_DEFINITION_PATH = "/workload/definition";
+  
+  private final DistributedAtomicInteger counter;
+  
+  private final KeySpace keySpace;
+  private final BiConsumer<WorkloadDeclaration, Worker> workerAction;
+  
+  private final CuratorFramework client = CuratorFrameworkFactory.newClient("127.0.0.1:2181", new RetryNTimes(3, 1000));
+  
+
+  
+  public WorkloadDistributor(final KeySpace keySpace, final BiConsumer<WorkloadDeclaration, Worker> workerAction) {
+    
+    this.keySpace = keySpace;
+    this.workerAction = workerAction;
+    
+    client.start();
+    
+    try {
+      client.blockUntilConnected();
+    } catch (InterruptedException e) {
+      // TODO Auto-generated catch block
+      e.printStackTrace();
+    }
+    
+    counter = new DistributedAtomicInteger(client, COUNTER_PATH, new RetryNTimes(3, 1000));
+  }
+  
+  public void start() {
+    try {
+      AtomicValue<Integer> result = counter.increment();
+      final int id = result.preValue();
+      if (result.succeeded()) {
+        
+        CuratorWatcher watcher = this.buildWatcher(id);
+        
+        client.checkExists().creatingParentsIfNeeded().forPath(WORKLOAD_DEFINITION_PATH);
+
+        if (id == 0) {
+          System.out.println("is master");
+                    
+          // register worker action, as master acts also as worker
+          client.getChildren().usingWatcher(watcher).forPath(WORKLOAD_PATH);
+          
+          
+          Thread.sleep(10000); // wait for all workers to participate in the leader election
+          
+          int numberOfWorkers = this.counter.get().postValue();
+          
+          System.out.printf("Number of Workers: %d\n", numberOfWorkers);
+          
+          final WorkloadDeclaration declaration = new WorkloadDeclaration(this.keySpace, numberOfWorkers);
+          
+          client.create().forPath(WORKLOAD_DEFINITION_PATH, declaration.toString().getBytes(StandardCharsets.UTF_8));
+                              
+        } else {
+          System.out.println("is worker");
+          
+          client.getChildren().usingWatcher(watcher).forPath(WORKLOAD_PATH);
+        }
+        
+        Thread.sleep(20000); // wait until the workload declaration is retrieved
+
+      }
+    } catch (Exception e) {
+      // TODO Auto-generated catch block
+      e.printStackTrace();
+    }
+  }
+  
+  private CuratorWatcher buildWatcher(int id) {
+    return new CuratorWatcher() {
+      
+      @Override
+      public void process(WatchedEvent event) throws Exception {
+        if(event.getType() == EventType.NodeChildrenChanged) {
+          byte[] bytes = client.getData().forPath(WORKLOAD_DEFINITION_PATH);
+          final WorkloadDeclaration declaration = WorkloadDeclaration.fromString(new String(bytes, StandardCharsets.UTF_8));
+          
+          if (id > declaration.getNumberOfWorkers() - 1) {
+            throw new IllegalStateException("Worker with id " + id + " was too slow and is therefore not participating in the workload generation.");
+          } else {
+            workerAction.accept(declaration, new Worker(id));
+          }
+        }
+      }
+    };
+  }
+
+  public void stop() {
+    this.client.close();
+  }
+
+}