From 373008173a8a800571d2cd84a79ba797fb3e61ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Henning?= <soeren.henning@email.uni-kiel.de>
Date: Thu, 13 Jan 2022 13:44:22 +0100
Subject: [PATCH] Fix code format

---
 .../java/application/Uc2BeamPipeline.java     |  12 +-
 .../.settings/org.eclipse.jdt.ui.prefs        | 283 +++++++++++++++++
 .../java/application/Uc3BeamPipeline.java     |  53 ++--
 .../.settings/org.eclipse.jdt.ui.prefs        | 284 ++++++++++++++++++
 .../java/application/Uc4BeamPipeline.java     |  61 ++--
 5 files changed, 614 insertions(+), 79 deletions(-)
 create mode 100644 theodolite-benchmarks/uc3-beam/.settings/org.eclipse.jdt.ui.prefs
 create mode 100644 theodolite-benchmarks/uc4-beam/.settings/org.eclipse.jdt.ui.prefs

diff --git a/theodolite-benchmarks/uc2-beam/src/main/java/application/Uc2BeamPipeline.java b/theodolite-benchmarks/uc2-beam/src/main/java/application/Uc2BeamPipeline.java
index 1947917d7..02eec9868 100644
--- a/theodolite-benchmarks/uc2-beam/src/main/java/application/Uc2BeamPipeline.java
+++ b/theodolite-benchmarks/uc2-beam/src/main/java/application/Uc2BeamPipeline.java
@@ -25,12 +25,7 @@ import titan.ccp.model.records.ActivePowerRecord;
 
 
 /**
- * Implementation of the use case Database Storage using Apache Beam with the Flink Runner. To
- * execute locally in standalone start Kafka, Zookeeper, the schema-registry and the workload
- * generator using the delayed_startup.sh script. Start a Flink cluster and pass its REST adress
- * using--flinkMaster as run parameter. To persist logs add
- * ${workspace_loc:/uc1-application-samza/eclipseConsoleLogs.log} as Output File under Standard
- * Input Output in Common in the Run Configuration Start via Eclipse Run.
+ * Implementation of the use case Downsampling using Apache Beam.
  */
 public final class Uc2BeamPipeline extends AbstractPipeline {
 
@@ -39,9 +34,8 @@ public final class Uc2BeamPipeline extends AbstractPipeline {
     // Additional needed variables
     final String outputTopic = config.getString(ConfigurationKeys.KAFKA_OUTPUT_TOPIC);
 
-    final int windowDurationMinutes = Integer.parseInt(
-        config.getString(ConfigurationKeys.KAFKA_WINDOW_DURATION_MINUTES));
-    final Duration duration = Duration.standardMinutes(windowDurationMinutes);
+    final Duration duration =
+        Duration.standardMinutes(config.getInt(ConfigurationKeys.KAFKA_WINDOW_DURATION_MINUTES));
 
     // Build kafka configuration
     final Map<String, Object> consumerConfig = buildConsumerConfig();
diff --git a/theodolite-benchmarks/uc3-beam/.settings/org.eclipse.jdt.ui.prefs b/theodolite-benchmarks/uc3-beam/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 000000000..8527c47c1
--- /dev/null
+++ b/theodolite-benchmarks/uc3-beam/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,283 @@
+cleanup.add_all=false
+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.array_with_curly=false
+cleanup.arrays_fill=false
+cleanup.bitwise_conditional_expression=false
+cleanup.boolean_literal=false
+cleanup.boolean_value_rather_than_comparison=true
+cleanup.break_loop=false
+cleanup.collection_cloning=false
+cleanup.comparing_on_criteria=false
+cleanup.comparison_statement=false
+cleanup.controlflow_merge=false
+cleanup.convert_functional_interfaces=false
+cleanup.convert_to_enhanced_for_loop=true
+cleanup.convert_to_enhanced_for_loop_if_loop_var_used=true
+cleanup.convert_to_switch_expressions=false
+cleanup.correct_indentation=true
+cleanup.do_while_rather_than_while=true
+cleanup.double_negation=false
+cleanup.else_if=false
+cleanup.embedded_if=false
+cleanup.evaluate_nullable=false
+cleanup.extract_increment=false
+cleanup.format_source_code=true
+cleanup.format_source_code_changes_only=false
+cleanup.hash=false
+cleanup.if_condition=false
+cleanup.insert_inferred_type_arguments=false
+cleanup.instanceof=false
+cleanup.instanceof_keyword=false
+cleanup.invert_equals=false
+cleanup.join=false
+cleanup.lazy_logical_operator=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.map_cloning=false
+cleanup.merge_conditional_blocks=false
+cleanup.multi_catch=false
+cleanup.never_use_blocks=false
+cleanup.never_use_parentheses_in_expressions=true
+cleanup.no_string_creation=false
+cleanup.no_super=false
+cleanup.number_suffix=false
+cleanup.objects_equals=false
+cleanup.one_if_rather_than_duplicate_blocks_that_fall_through=true
+cleanup.operand_factorization=false
+cleanup.organize_imports=true
+cleanup.overridden_assignment=false
+cleanup.plain_replacement=false
+cleanup.precompile_regex=false
+cleanup.primitive_comparison=false
+cleanup.primitive_parsing=false
+cleanup.primitive_rather_than_wrapper=true
+cleanup.primitive_serialization=false
+cleanup.pull_out_if_from_if_else=false
+cleanup.pull_up_assignment=false
+cleanup.push_down_negation=false
+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.reduce_indentation=false
+cleanup.redundant_comparator=false
+cleanup.redundant_falling_through_block_end=false
+cleanup.remove_private_constructors=true
+cleanup.remove_redundant_modifiers=false
+cleanup.remove_redundant_semicolons=true
+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_array_creation=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.return_expression=false
+cleanup.simplify_lambda_expression_and_method_ref=false
+cleanup.single_used_field=false
+cleanup.sort_members=false
+cleanup.sort_members_all=false
+cleanup.standard_comparison=false
+cleanup.static_inner_class=false
+cleanup.strictly_equal_or_different=false
+cleanup.stringbuffer_to_stringbuilder=false
+cleanup.stringbuilder=false
+cleanup.stringbuilder_for_local_vars=true
+cleanup.substring=false
+cleanup.switch=false
+cleanup.system_property=false
+cleanup.system_property_boolean=false
+cleanup.system_property_file_encoding=false
+cleanup.system_property_file_separator=false
+cleanup.system_property_line_separator=false
+cleanup.system_property_path_separator=false
+cleanup.ternary_operator=false
+cleanup.try_with_resource=false
+cleanup.unlooped_while=false
+cleanup.unreachable_block=false
+cleanup.use_anonymous_class_creation=false
+cleanup.use_autoboxing=false
+cleanup.use_blocks=true
+cleanup.use_blocks_only_for_return_and_throw=false
+cleanup.use_directly_map_method=false
+cleanup.use_lambda=true
+cleanup.use_parentheses_in_expressions=true
+cleanup.use_string_is_blank=false
+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.use_unboxing=false
+cleanup.use_var=false
+cleanup.useless_continue=false
+cleanup.useless_return=false
+cleanup.valueof_rather_than_instantiation=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=21
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=java;javax;org;com;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=99
+sp_cleanup.add_all=false
+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.array_with_curly=false
+sp_cleanup.arrays_fill=false
+sp_cleanup.bitwise_conditional_expression=false
+sp_cleanup.boolean_literal=false
+sp_cleanup.boolean_value_rather_than_comparison=false
+sp_cleanup.break_loop=false
+sp_cleanup.collection_cloning=false
+sp_cleanup.comparing_on_criteria=false
+sp_cleanup.comparison_statement=false
+sp_cleanup.controlflow_merge=false
+sp_cleanup.convert_functional_interfaces=false
+sp_cleanup.convert_to_enhanced_for_loop=false
+sp_cleanup.convert_to_enhanced_for_loop_if_loop_var_used=false
+sp_cleanup.convert_to_switch_expressions=false
+sp_cleanup.correct_indentation=true
+sp_cleanup.do_while_rather_than_while=false
+sp_cleanup.double_negation=false
+sp_cleanup.else_if=false
+sp_cleanup.embedded_if=false
+sp_cleanup.evaluate_nullable=false
+sp_cleanup.extract_increment=false
+sp_cleanup.format_source_code=true
+sp_cleanup.format_source_code_changes_only=false
+sp_cleanup.hash=false
+sp_cleanup.if_condition=false
+sp_cleanup.insert_inferred_type_arguments=false
+sp_cleanup.instanceof=false
+sp_cleanup.instanceof_keyword=false
+sp_cleanup.invert_equals=false
+sp_cleanup.join=false
+sp_cleanup.lazy_logical_operator=false
+sp_cleanup.make_local_variable_final=true
+sp_cleanup.make_parameters_final=false
+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.map_cloning=false
+sp_cleanup.merge_conditional_blocks=false
+sp_cleanup.multi_catch=false
+sp_cleanup.never_use_blocks=false
+sp_cleanup.never_use_parentheses_in_expressions=true
+sp_cleanup.no_string_creation=false
+sp_cleanup.no_super=false
+sp_cleanup.number_suffix=false
+sp_cleanup.objects_equals=false
+sp_cleanup.on_save_use_additional_actions=true
+sp_cleanup.one_if_rather_than_duplicate_blocks_that_fall_through=false
+sp_cleanup.operand_factorization=false
+sp_cleanup.organize_imports=true
+sp_cleanup.overridden_assignment=false
+sp_cleanup.plain_replacement=false
+sp_cleanup.precompile_regex=false
+sp_cleanup.primitive_comparison=false
+sp_cleanup.primitive_parsing=false
+sp_cleanup.primitive_rather_than_wrapper=false
+sp_cleanup.primitive_serialization=false
+sp_cleanup.pull_out_if_from_if_else=false
+sp_cleanup.pull_up_assignment=false
+sp_cleanup.push_down_negation=false
+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.reduce_indentation=false
+sp_cleanup.redundant_comparator=false
+sp_cleanup.redundant_falling_through_block_end=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_array_creation=false
+sp_cleanup.remove_unnecessary_casts=true
+sp_cleanup.remove_unnecessary_nls_tags=false
+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.return_expression=false
+sp_cleanup.simplify_lambda_expression_and_method_ref=false
+sp_cleanup.single_used_field=false
+sp_cleanup.sort_members=false
+sp_cleanup.sort_members_all=false
+sp_cleanup.standard_comparison=false
+sp_cleanup.static_inner_class=false
+sp_cleanup.strictly_equal_or_different=false
+sp_cleanup.stringbuffer_to_stringbuilder=false
+sp_cleanup.stringbuilder=false
+sp_cleanup.stringbuilder_for_local_vars=true
+sp_cleanup.substring=false
+sp_cleanup.switch=false
+sp_cleanup.system_property=false
+sp_cleanup.system_property_boolean=false
+sp_cleanup.system_property_file_encoding=false
+sp_cleanup.system_property_file_separator=false
+sp_cleanup.system_property_line_separator=false
+sp_cleanup.system_property_path_separator=false
+sp_cleanup.ternary_operator=false
+sp_cleanup.try_with_resource=true
+sp_cleanup.unlooped_while=false
+sp_cleanup.unreachable_block=false
+sp_cleanup.use_anonymous_class_creation=false
+sp_cleanup.use_autoboxing=false
+sp_cleanup.use_blocks=true
+sp_cleanup.use_blocks_only_for_return_and_throw=false
+sp_cleanup.use_directly_map_method=false
+sp_cleanup.use_lambda=true
+sp_cleanup.use_parentheses_in_expressions=true
+sp_cleanup.use_string_is_blank=false
+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
+sp_cleanup.use_unboxing=false
+sp_cleanup.use_var=false
+sp_cleanup.useless_continue=false
+sp_cleanup.useless_return=false
+sp_cleanup.valueof_rather_than_instantiation=false
diff --git a/theodolite-benchmarks/uc3-beam/src/main/java/application/Uc3BeamPipeline.java b/theodolite-benchmarks/uc3-beam/src/main/java/application/Uc3BeamPipeline.java
index 7424a19fe..c231c020e 100644
--- a/theodolite-benchmarks/uc3-beam/src/main/java/application/Uc3BeamPipeline.java
+++ b/theodolite-benchmarks/uc3-beam/src/main/java/application/Uc3BeamPipeline.java
@@ -1,7 +1,5 @@
 package application;
 
-import com.google.common.math.Stats;
-import com.google.common.math.StatsAccumulator;
 import java.util.Map;
 import org.apache.beam.sdk.coders.AvroCoder;
 import org.apache.beam.sdk.coders.CoderRegistry;
@@ -18,6 +16,8 @@ import org.apache.beam.sdk.values.KV;
 import org.apache.commons.configuration2.Configuration;
 import org.apache.kafka.common.serialization.StringSerializer;
 import org.joda.time.Duration;
+import com.google.common.math.Stats;
+import com.google.common.math.StatsAccumulator;
 import theodolite.commons.beam.AbstractPipeline;
 import theodolite.commons.beam.ConfigurationKeys;
 import theodolite.commons.beam.kafka.KafkaActivePowerTimestampReader;
@@ -26,12 +26,7 @@ import titan.ccp.model.records.ActivePowerRecord;
 
 
 /**
- * Implementation of the use case Database Storage using Apache Beam with the Flink Runner. To
- * execute locally in standalone start Kafka, Zookeeper, the schema-registry and the workload
- * generator using the delayed_startup.sh script. Start a Flink cluster and pass its REST adress
- * using--flinkMaster as run parameter. To persist logs add
- * ${workspace_loc:/uc1-application-samza/eclipseConsoleLogs.log} as Output File under Standard
- * Input Output in Common in the Run Configuration Start via Eclipse Run.
+ * Implementation of the use case Aggregation based on Time Attributes using Apache Beam.
  */
 public final class Uc3BeamPipeline extends AbstractPipeline {
 
@@ -40,46 +35,41 @@ public final class Uc3BeamPipeline extends AbstractPipeline {
     // Additional needed variables
     final String outputTopic = config.getString(ConfigurationKeys.KAFKA_OUTPUT_TOPIC);
 
-    final int windowDurationDays = Integer.parseInt(
-        config.getString(ConfigurationKeys.AGGREGATION_DURATION_DAYS));
-    final Duration duration = Duration.standardDays(windowDurationDays);
-
-    final int aggregationAdvance = Integer.parseInt(
-        config.getString(ConfigurationKeys.AGGREGATION_ADVANCE_DAYS));
-    final Duration aggregationAdvanceDuration = Duration.standardDays(aggregationAdvance);
-
-    final int triggerInterval = Integer.parseInt(
-        config.getString(ConfigurationKeys.TRIGGER_INTERVAL));
-    final Duration triggerDelay = Duration.standardSeconds(triggerInterval);
+    final Duration duration =
+        Duration.standardDays(config.getInt(ConfigurationKeys.AGGREGATION_DURATION_DAYS));
+    final Duration aggregationAdvanceDuration =
+        Duration.standardDays(config.getInt(ConfigurationKeys.AGGREGATION_ADVANCE_DAYS));
+    final Duration triggerDelay =
+        Duration.standardSeconds(config.getInt(ConfigurationKeys.TRIGGER_INTERVAL));
 
-    // Build kafka configuration
-    final Map consumerConfig = buildConsumerConfig();
+    // Build Kafka configuration
+    final Map<String, Object> consumerConfig = this.buildConsumerConfig();
 
-    // Set Coders for Classes that will be distributed
+    // Set Coders for classes that will be distributed
     final CoderRegistry cr = this.getCoderRegistry();
     registerCoders(cr);
 
     // Read from Kafka
     final KafkaActivePowerTimestampReader kafka =
-        new KafkaActivePowerTimestampReader(bootstrapServer, inputTopic, consumerConfig);
+        new KafkaActivePowerTimestampReader(this.bootstrapServer, this.inputTopic, consumerConfig);
 
     // Map the time format
     final MapTimeFormat mapTimeFormat = new MapTimeFormat();
 
-    // get the stats per HourOfDay
+    // Get the stats per HourOfDay
     final HourOfDayWithStats hourOfDayWithStats = new HourOfDayWithStats();
 
     // Write to Kafka
     final KafkaWriterTransformation<String> kafkaWriter =
-        new KafkaWriterTransformation<>(bootstrapServer, outputTopic, StringSerializer.class);
+        new KafkaWriterTransformation<>(this.bootstrapServer, outputTopic, StringSerializer.class);
 
     this.apply(kafka)
         // Map to correct time format
         .apply(MapElements.via(mapTimeFormat))
         // Apply a sliding window
         .apply(Window
-            .<KV<HourOfDayKey, ActivePowerRecord>>
-                into(SlidingWindows.of(duration).every(aggregationAdvanceDuration))
+            .<KV<HourOfDayKey, ActivePowerRecord>>into(
+                SlidingWindows.of(duration).every(aggregationAdvanceDuration))
             .triggering(AfterWatermark.pastEndOfWindow()
                 .withEarlyFirings(
                     AfterProcessingTime.pastFirstElementInPane().plusDelayOf(triggerDelay)))
@@ -87,13 +77,11 @@ public final class Uc3BeamPipeline extends AbstractPipeline {
             .accumulatingFiredPanes())
 
         // Aggregate per window for every key
-        .apply(Combine.<HourOfDayKey, ActivePowerRecord, Stats>perKey(
-            new StatsAggregation()))
+        .apply(Combine.<HourOfDayKey, ActivePowerRecord, Stats>perKey(new StatsAggregation()))
         .setCoder(KvCoder.of(new HourOfDaykeyCoder(), SerializableCoder.of(Stats.class)))
 
         // Map into correct output format
-        .apply(MapElements
-            .via(hourOfDayWithStats))
+        .apply(MapElements.via(hourOfDayWithStats))
         // Write to Kafka
         .apply(kafkaWriter);
   }
@@ -107,8 +95,7 @@ public final class Uc3BeamPipeline extends AbstractPipeline {
   private static void registerCoders(final CoderRegistry cr) {
     cr.registerCoderForClass(ActivePowerRecord.class, AvroCoder.of(ActivePowerRecord.SCHEMA$));
     cr.registerCoderForClass(HourOfDayKey.class, new HourOfDaykeyCoder());
-    cr.registerCoderForClass(StatsAggregation.class,
-        SerializableCoder.of(StatsAggregation.class));
+    cr.registerCoderForClass(StatsAggregation.class, SerializableCoder.of(StatsAggregation.class));
     cr.registerCoderForClass(StatsAccumulator.class, AvroCoder.of(StatsAccumulator.class));
   }
 }
diff --git a/theodolite-benchmarks/uc4-beam/.settings/org.eclipse.jdt.ui.prefs b/theodolite-benchmarks/uc4-beam/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 000000000..f48c8c940
--- /dev/null
+++ b/theodolite-benchmarks/uc4-beam/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,284 @@
+cleanup.add_all=false
+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.array_with_curly=false
+cleanup.arrays_fill=false
+cleanup.bitwise_conditional_expression=false
+cleanup.boolean_literal=false
+cleanup.boolean_value_rather_than_comparison=true
+cleanup.break_loop=false
+cleanup.collection_cloning=false
+cleanup.comparing_on_criteria=false
+cleanup.comparison_statement=false
+cleanup.controlflow_merge=false
+cleanup.convert_functional_interfaces=false
+cleanup.convert_to_enhanced_for_loop=true
+cleanup.convert_to_enhanced_for_loop_if_loop_var_used=true
+cleanup.convert_to_switch_expressions=false
+cleanup.correct_indentation=true
+cleanup.do_while_rather_than_while=true
+cleanup.double_negation=false
+cleanup.else_if=false
+cleanup.embedded_if=false
+cleanup.evaluate_nullable=false
+cleanup.extract_increment=false
+cleanup.format_source_code=true
+cleanup.format_source_code_changes_only=false
+cleanup.hash=false
+cleanup.if_condition=false
+cleanup.insert_inferred_type_arguments=false
+cleanup.instanceof=false
+cleanup.instanceof_keyword=false
+cleanup.invert_equals=false
+cleanup.join=false
+cleanup.lazy_logical_operator=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.map_cloning=false
+cleanup.merge_conditional_blocks=false
+cleanup.multi_catch=false
+cleanup.never_use_blocks=false
+cleanup.never_use_parentheses_in_expressions=true
+cleanup.no_string_creation=false
+cleanup.no_super=false
+cleanup.number_suffix=false
+cleanup.objects_equals=false
+cleanup.one_if_rather_than_duplicate_blocks_that_fall_through=true
+cleanup.operand_factorization=false
+cleanup.organize_imports=true
+cleanup.overridden_assignment=false
+cleanup.plain_replacement=false
+cleanup.precompile_regex=false
+cleanup.primitive_comparison=false
+cleanup.primitive_parsing=false
+cleanup.primitive_rather_than_wrapper=true
+cleanup.primitive_serialization=false
+cleanup.pull_out_if_from_if_else=false
+cleanup.pull_up_assignment=false
+cleanup.push_down_negation=false
+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.reduce_indentation=false
+cleanup.redundant_comparator=false
+cleanup.redundant_falling_through_block_end=false
+cleanup.remove_private_constructors=true
+cleanup.remove_redundant_modifiers=false
+cleanup.remove_redundant_semicolons=true
+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_array_creation=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.return_expression=false
+cleanup.simplify_lambda_expression_and_method_ref=false
+cleanup.single_used_field=false
+cleanup.sort_members=false
+cleanup.sort_members_all=false
+cleanup.standard_comparison=false
+cleanup.static_inner_class=false
+cleanup.strictly_equal_or_different=false
+cleanup.stringbuffer_to_stringbuilder=false
+cleanup.stringbuilder=false
+cleanup.stringbuilder_for_local_vars=true
+cleanup.substring=false
+cleanup.switch=false
+cleanup.system_property=false
+cleanup.system_property_boolean=false
+cleanup.system_property_file_encoding=false
+cleanup.system_property_file_separator=false
+cleanup.system_property_line_separator=false
+cleanup.system_property_path_separator=false
+cleanup.ternary_operator=false
+cleanup.try_with_resource=false
+cleanup.unlooped_while=false
+cleanup.unreachable_block=false
+cleanup.use_anonymous_class_creation=false
+cleanup.use_autoboxing=false
+cleanup.use_blocks=true
+cleanup.use_blocks_only_for_return_and_throw=false
+cleanup.use_directly_map_method=false
+cleanup.use_lambda=true
+cleanup.use_parentheses_in_expressions=true
+cleanup.use_string_is_blank=false
+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.use_unboxing=false
+cleanup.use_var=false
+cleanup.useless_continue=false
+cleanup.useless_return=false
+cleanup.valueof_rather_than_instantiation=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=21
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=java;javax;org;com;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=99
+org.eclipse.jdt.ui.text.custom_code_templates=
+sp_cleanup.add_all=false
+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
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+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.array_with_curly=false
+sp_cleanup.arrays_fill=false
+sp_cleanup.bitwise_conditional_expression=false
+sp_cleanup.boolean_literal=false
+sp_cleanup.boolean_value_rather_than_comparison=false
+sp_cleanup.break_loop=false
+sp_cleanup.collection_cloning=false
+sp_cleanup.comparing_on_criteria=false
+sp_cleanup.comparison_statement=false
+sp_cleanup.controlflow_merge=false
+sp_cleanup.convert_functional_interfaces=false
+sp_cleanup.convert_to_enhanced_for_loop=false
+sp_cleanup.convert_to_enhanced_for_loop_if_loop_var_used=false
+sp_cleanup.convert_to_switch_expressions=false
+sp_cleanup.correct_indentation=true
+sp_cleanup.do_while_rather_than_while=false
+sp_cleanup.double_negation=false
+sp_cleanup.else_if=false
+sp_cleanup.embedded_if=false
+sp_cleanup.evaluate_nullable=false
+sp_cleanup.extract_increment=false
+sp_cleanup.format_source_code=true
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+sp_cleanup.if_condition=false
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+sp_cleanup.lazy_logical_operator=false
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+sp_cleanup.make_parameters_final=false
+sp_cleanup.make_private_fields_final=true
+sp_cleanup.make_type_abstract_if_missing_method=false
+sp_cleanup.make_variable_declarations_final=true
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+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
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+sp_cleanup.remove_unused_private_methods=true
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+sp_cleanup.system_property_file_encoding=false
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+sp_cleanup.use_parentheses_in_expressions=true
+sp_cleanup.use_string_is_blank=false
+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
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diff --git a/theodolite-benchmarks/uc4-beam/src/main/java/application/Uc4BeamPipeline.java b/theodolite-benchmarks/uc4-beam/src/main/java/application/Uc4BeamPipeline.java
index 78083db12..df436366f 100644
--- a/theodolite-benchmarks/uc4-beam/src/main/java/application/Uc4BeamPipeline.java
+++ b/theodolite-benchmarks/uc4-beam/src/main/java/application/Uc4BeamPipeline.java
@@ -1,6 +1,5 @@
-package application; //NOPMD
+package application; // NOPMD
 
-import com.google.common.math.StatsAccumulator;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
@@ -31,6 +30,7 @@ import org.apache.commons.configuration2.Configuration;
 import org.apache.kafka.clients.consumer.ConsumerConfig;
 import org.apache.kafka.common.serialization.StringDeserializer;
 import org.joda.time.Duration;
+import com.google.common.math.StatsAccumulator;
 import serialization.AggregatedActivePowerRecordCoder;
 import serialization.AggregatedActivePowerRecordDeserializer;
 import serialization.AggregatedActivePowerRecordSerializer;
@@ -47,16 +47,11 @@ import titan.ccp.model.records.ActivePowerRecord;
 import titan.ccp.model.records.AggregatedActivePowerRecord;
 
 /**
- * Implementation of the use case Database Storage using Apache Beam with the Flink Runner. To
- * execute locally in standalone start Kafka, Zookeeper, the schema-registry and the workload
- * generator using the delayed_startup.sh script. Start a Flink cluster and pass its REST address
- * using--flinkMaster as run parameter. To persist logs add
- * ${workspace_loc:/uc1-application-samza/eclipseConsoleLogs.log} as Output File under Standard
- * Input Output in Common in the Run Configuration Start via Eclipse Run.
+ * Implementation of the use case Hierarchical Aggregation using Apache Beam.
  */
 public final class Uc4BeamPipeline extends AbstractPipeline {
 
-  protected Uc4BeamPipeline(final PipelineOptions options, final Configuration config) { //NOPMD
+  protected Uc4BeamPipeline(final PipelineOptions options, final Configuration config) { // NOPMD
     super(options, config);
 
     // Additional needed variables
@@ -64,21 +59,16 @@ public final class Uc4BeamPipeline extends AbstractPipeline {
     final String outputTopic = config.getString(ConfigurationKeys.KAFKA_OUTPUT_TOPIC);
     final String configurationTopic = config.getString(ConfigurationKeys.KAFKA_CONFIGURATION_TOPIC);
 
-    final int windowDurationMinutes = Integer.parseInt(
-        config.getString(ConfigurationKeys.KAFKA_WINDOW_DURATION_MINUTES));
-    final Duration duration = Duration.standardSeconds(windowDurationMinutes);
-
-    final int triggerInterval = Integer.parseInt(
-        config.getString(ConfigurationKeys.TRIGGER_INTERVAL));
-    final Duration triggerDelay = Duration.standardSeconds(triggerInterval);
-
-    final int grace = Integer.parseInt(
-        config.getString(ConfigurationKeys.GRACE_PERIOD_MS));
-    final Duration gracePeriod = Duration.standardSeconds(grace);
+    final Duration duration =
+        Duration.standardSeconds(config.getInt(ConfigurationKeys.KAFKA_WINDOW_DURATION_MINUTES));
+    final Duration triggerDelay =
+        Duration.standardSeconds(config.getInt(ConfigurationKeys.TRIGGER_INTERVAL));
+    final Duration gracePeriod =
+        Duration.standardSeconds(config.getInt(ConfigurationKeys.GRACE_PERIOD_MS));
 
     // Build kafka configuration
-    final Map<String, Object> consumerConfig = buildConsumerConfig();
-    final Map<String, Object> configurationConfig = configurationConfig(config);
+    final Map<String, Object> consumerConfig = this.buildConsumerConfig();
+    final Map<String, Object> configurationConfig = this.configurationConfig(config);
 
     // Set Coders for Classes that will be distributed
     final CoderRegistry cr = this.getCoderRegistry();
@@ -86,15 +76,13 @@ public final class Uc4BeamPipeline extends AbstractPipeline {
 
     // Read from Kafka
     // ActivePowerRecords
-    final KafkaActivePowerTimestampReader
-        kafkaActivePowerRecordReader =
-        new KafkaActivePowerTimestampReader(bootstrapServer, inputTopic, consumerConfig);
+    final KafkaActivePowerTimestampReader kafkaActivePowerRecordReader =
+        new KafkaActivePowerTimestampReader(this.bootstrapServer, this.inputTopic, consumerConfig);
 
-    //Configuration Events
-    final KafkaGenericReader<Event, String>
-        kafkaConfigurationReader =
+    // Configuration Events
+    final KafkaGenericReader<Event, String> kafkaConfigurationReader =
         new KafkaGenericReader<>(
-            bootstrapServer, configurationTopic, configurationConfig,
+            this.bootstrapServer, configurationTopic, configurationConfig,
             EventDeserializer.class, StringDeserializer.class);
 
     // Transform into AggregatedActivePowerRecords into ActivePowerRecords
@@ -103,11 +91,11 @@ public final class Uc4BeamPipeline extends AbstractPipeline {
     // Write to Kafka
     final KafkaWriterTransformation<AggregatedActivePowerRecord> kafkaOutput =
         new KafkaWriterTransformation<>(
-            bootstrapServer, outputTopic, AggregatedActivePowerRecordSerializer.class);
+            this.bootstrapServer, outputTopic, AggregatedActivePowerRecordSerializer.class);
 
     final KafkaWriterTransformation<AggregatedActivePowerRecord> kafkaFeedback =
         new KafkaWriterTransformation<>(
-            bootstrapServer, feedbackTopic, AggregatedActivePowerRecordSerializer.class);
+            this.bootstrapServer, feedbackTopic, AggregatedActivePowerRecordSerializer.class);
 
     // Apply pipeline transformations
     final PCollection<KV<String, ActivePowerRecord>> values = this
@@ -124,7 +112,7 @@ public final class Uc4BeamPipeline extends AbstractPipeline {
     // Read the results of earlier aggregations.
     final PCollection<KV<String, ActivePowerRecord>> aggregationsInput = this
         .apply("Read aggregation results", KafkaIO.<String, AggregatedActivePowerRecord>read()
-            .withBootstrapServers(bootstrapServer)
+            .withBootstrapServers(this.bootstrapServer)
             .withTopic(feedbackTopic)
             .withKeyDeserializer(StringDeserializer.class)
             .withValueDeserializer(AggregatedActivePowerRecordDeserializer.class)
@@ -187,9 +175,9 @@ public final class Uc4BeamPipeline extends AbstractPipeline {
     // Build pairs of every sensor reading and parent
     final PCollection<KV<SensorParentKey, ActivePowerRecord>> flatMappedValues =
         inputCollection.apply(
-                "Duplicate as flatMap",
-                ParDo.of(new DuplicateAsFlatMap(childParentPairMap))
-                    .withSideInputs(childParentPairMap))
+            "Duplicate as flatMap",
+            ParDo.of(new DuplicateAsFlatMap(childParentPairMap))
+                .withSideInputs(childParentPairMap))
             .apply("Filter only latest changes", Latest.perKey())
             .apply("Filter out null values",
                 Filter.by(filterNullValues));
@@ -198,8 +186,7 @@ public final class Uc4BeamPipeline extends AbstractPipeline {
     final SetKeyToGroup setKeyToGroup = new SetKeyToGroup();
 
     // Aggregate for every sensor group of the current level
-    final PCollection<KV<String, AggregatedActivePowerRecord>>
-        aggregations = flatMappedValues
+    final PCollection<KV<String, AggregatedActivePowerRecord>> aggregations = flatMappedValues
         .apply("Set key to group", MapElements.via(setKeyToGroup))
         // Reset trigger to avoid synchronized processing time
         .apply("Reset trigger for aggregations", Window
-- 
GitLab