HazelcastJet: uc4 fix codestyle

theodolite-benchmarks/hazelcastjet-commons/src/main/java/rocks/theodolite/benchmarks/commons/hazelcastjet/HazelcastJetService.java

@@ -8,6 +8,11 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import titan.ccp.common.configuration.ServiceConfigurations;
 
+/**
+ * Abstract HazelcastJetService.
+ * Holds common fields and logic shared for all hazelcast jet services.
+ * Set common settings and initiates a hazelcast jet instance.
+ */
 public abstract class HazelcastJetService {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(HazelcastJetService.class);

theodolite-benchmarks/hazelcastjet-commons/src/main/java/rocks/theodolite/benchmarks/commons/hazelcastjet/KafkaPropertiesBuilder.java

@@ -17,14 +17,11 @@ public class KafkaPropertiesBuilder {
   private static final String TRUE = "true";
   private static final String AUTO_OFFSET_RESET_CONFIG = "earliest";
 
-  private final String specificAvroWriter = "specific.avro.writer";
+  private static final String SPECIFIC_AVRO_WRITER = "specific.avro.writer";
 
-  private Properties readProperties;
+  private final Properties readProperties;
 
-  private Properties writeProperties;
-
-  public KafkaPropertiesBuilder() {
-  }
+  private final Properties writeProperties;
 
   /**
    * Constructs a new PropertiesBuilder with defined default read and write properties.
@@ -49,7 +46,7 @@ public class KafkaPropertiesBuilder {
     readProperties.setProperty(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, AUTO_OFFSET_RESET_CONFIG);
     readProperties.setProperty(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, TRUE);
 
-    writeProperties.setProperty(specificAvroWriter, TRUE);
+    writeProperties.setProperty(SPECIFIC_AVRO_WRITER, TRUE);
   }
 
   /**
@@ -155,7 +152,7 @@ public class KafkaPropertiesBuilder {
     props.setProperty(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG,
         valueSerializer);
     props.setProperty(AbstractKafkaAvroSerDeConfig.SCHEMA_REGISTRY_URL_CONFIG, schemaRegistryUrl);
-    props.setProperty(specificAvroWriter, TRUE);
+    props.setProperty(SPECIFIC_AVRO_WRITER, TRUE);
 
     return props;
   }