storm.trident.operation.impl
Class GroupedMultiReducerExecutor
java.lang.Object
storm.trident.operation.impl.GroupedMultiReducerExecutor
- All Implemented Interfaces:
- java.io.Serializable, MultiReducer<java.util.Map<TridentTuple,java.lang.Object>>
public class GroupedMultiReducerExecutor
- extends java.lang.Object
- implements MultiReducer<java.util.Map<TridentTuple,java.lang.Object>>
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
GroupedMultiReducerExecutor
public GroupedMultiReducerExecutor(GroupedMultiReducer reducer,
java.util.List<Fields> groupFields,
java.util.List<Fields> inputFields)
prepare
public void prepare(java.util.Map conf,
TridentMultiReducerContext context)
- Specified by:
prepare
in interface MultiReducer<java.util.Map<TridentTuple,java.lang.Object>>
init
public java.util.Map<TridentTuple,java.lang.Object> init(TridentCollector collector)
- Specified by:
init
in interface MultiReducer<java.util.Map<TridentTuple,java.lang.Object>>
execute
public void execute(java.util.Map<TridentTuple,java.lang.Object> state,
int streamIndex,
TridentTuple full,
TridentCollector collector)
- Specified by:
execute
in interface MultiReducer<java.util.Map<TridentTuple,java.lang.Object>>
complete
public void complete(java.util.Map<TridentTuple,java.lang.Object> state,
TridentCollector collector)
- Specified by:
complete
in interface MultiReducer<java.util.Map<TridentTuple,java.lang.Object>>
cleanup
public void cleanup()
- Specified by:
cleanup
in interface MultiReducer<java.util.Map<TridentTuple,java.lang.Object>>