All Implemented Interfaces:: java.io.Serializable , org.apache.storm.grouping.CustomStreamGrouping


public final class FieldsGrouping
 implements CustomStreamGrouping

Constructors
Constructor	Description
`FieldsGrouping(List<String> groupingFields, List<String> outputFields)`

Modifier and Type	Method	Description
`Unit`	`prepare(WorkerTopologyContext context, GlobalStreamId stream, List<Integer> targetTasks)`
`List<Integer>`	`chooseTasks(Integer taskId, List<Object> values)`

Methods inherited from class java.io.Serializable
equals, hashCode, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

FieldsGrouping(List<String> groupingFields, List<String> outputFields)

 Unit prepare(WorkerTopologyContext context, GlobalStreamId stream, List<Integer> targetTasks)

 List<Integer> chooseTasks(Integer taskId, List<Object> values)

Class FieldsGrouping