Change KafkaConfig from Properties to HashMap

theodolite-benchmarks/beam-commons/src/main/java/theodolite/commons/beam/AbstractPipeline.java

 package theodolite.commons.beam;
 
+import java.util.HashMap;
 import java.util.Properties;
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.options.PipelineOptions;
@@ -30,8 +31,8 @@ public class AbstractPipeline extends Pipeline {
    *
    * @return the build configuration.
    */
-  public Properties buildConsumerConfig() {
-    final Properties consumerConfig = new Properties();
+  public HashMap buildConsumerConfig() {
+    final HashMap consumerConfig = new HashMap();
     consumerConfig.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG,
         config.getString(ConfigurationKeys.ENABLE_AUTO_COMMIT_CONFIG));
     consumerConfig.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG,

theodolite-benchmarks/uc1-beam/src/main/java/application/Uc1BeamPipeline.java

 package application;
 
+import java.util.HashMap;
 import java.util.Properties;
 import org.apache.beam.sdk.coders.AvroCoder;
 import org.apache.beam.sdk.coders.CoderRegistry;
@@ -34,7 +35,7 @@ public final class Uc1BeamPipeline extends AbstractPipeline {
     cr.registerCoderForClass(ActivePowerRecord.class, AvroCoder.of(ActivePowerRecord.SCHEMA$));
 
     // build KafkaConsumerConfig
-    final Properties consumerConfig = buildConsumerConfig();
+    final HashMap consumerConfig = buildConsumerConfig();
 
     // Create Pipeline transformations
     final PTransform<PBegin, PCollection<KV<String, ActivePowerRecord>>> kafka =

theodolite-benchmarks/uc2-beam/src/main/java/application/Uc2BeamPipeline.java

@@ -2,6 +2,8 @@ package application;
 
 import com.google.common.math.Stats;
 import com.google.common.math.StatsAccumulator;
+
+import java.util.HashMap;
 import java.util.Properties;
 import org.apache.beam.sdk.coders.AvroCoder;
 import org.apache.beam.sdk.coders.CoderRegistry;
@@ -48,7 +50,7 @@ public final class Uc2BeamPipeline extends AbstractPipeline {
     final Duration duration = Duration.standardMinutes(windowDurationMinutes);
 
     // Build kafka configuration
-    final Properties consumerConfig = buildConsumerConfig();
+    final HashMap consumerConfig = buildConsumerConfig();
 
     // Set Coders for Classes that will be distributed
     final CoderRegistry cr = this.getCoderRegistry();

theodolite-benchmarks/uc3-beam/src/main/java/application/Uc3BeamPipeline.java

@@ -2,6 +2,8 @@ package application;
 
 import com.google.common.math.Stats;
 import com.google.common.math.StatsAccumulator;
+
+import java.util.HashMap;
 import java.util.Properties;
 import org.apache.beam.sdk.coders.AvroCoder;
 import org.apache.beam.sdk.coders.CoderRegistry;
@@ -56,7 +58,7 @@ public final class Uc3BeamPipeline extends AbstractPipeline {
     final Duration triggerDelay = Duration.standardSeconds(triggerInterval);
 
     // Build kafka configuration
-    final Properties consumerConfig = buildConsumerConfig();
+    final HashMap consumerConfig = buildConsumerConfig();
 
     // Set Coders for Classes that will be distributed
     final CoderRegistry cr = this.getCoderRegistry();