Add Javadoc

workload-generator-commons/src/main/java/theodolite/commons/workloadgeneration/functions/BeforeAction.java

 package theodolite.commons.workloadgeneration.functions;
 
+/**
+ * Describes the before action which is executed before every sub experiment.
+ */
 @FunctionalInterface
 public interface BeforeAction {
 
   public void run();
-  
+
 }

workload-generator-commons/src/main/java/theodolite/commons/workloadgeneration/functions/MessageGenerator.java

@@ -2,6 +2,12 @@ package theodolite.commons.workloadgeneration.functions;
 
 import kieker.common.record.IMonitoringRecord;
 
+/**
+ * This interface describes a function that takes meta information from a string (e.g. an ID) and
+ * produces an {@link IMonitoringRecord}.
+ *
+ * @param <T> the type of the objects that will be generated by the function.
+ */
 @FunctionalInterface
 public interface MessageGenerator<T extends IMonitoringRecord> {
 

workload-generator-commons/src/main/java/theodolite/commons/workloadgeneration/functions/Transport.java

@@ -2,6 +2,12 @@ package theodolite.commons.workloadgeneration.functions;
 
 import kieker.common.record.IMonitoringRecord;
 
+/**
+ * This interface describes a function that consumes a {@link IMonitoringRecord}. This function is
+ * dedicated to be used to transport individual messages to the messaging system.
+ *
+ * @param <T> the type of records to send as messages.
+ */
 @FunctionalInterface
 public interface Transport<T extends IMonitoringRecord> {