storm.trident.spout
Class BatchSpoutExecutor.BatchSpoutEmitter

java.lang.Object
  storm.trident.spout.BatchSpoutExecutor.BatchSpoutEmitter

All Implemented Interfaces:

ITridentSpout.Emitter

Enclosing class:

BatchSpoutExecutor

public class BatchSpoutExecutor.BatchSpoutEmitter
extends java.lang.Object
implements ITridentSpout.Emitter

Constructor Summary

BatchSpoutExecutor.BatchSpoutEmitter()

Method Summary

void	close() Release any resources held by this emitter.
void	emitBatch(TransactionAttempt tx, java.lang.Object coordinatorMeta, TridentCollector collector) Emit a batch for the specified transaction attempt and metadata for the transaction.
void	success(TransactionAttempt tx) This attempt committed successfully, so all state for this commit and before can be safely cleaned up.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BatchSpoutExecutor.BatchSpoutEmitter

public BatchSpoutExecutor.BatchSpoutEmitter()

Method Detail

emitBatch

public void emitBatch(TransactionAttempt tx,
                      java.lang.Object coordinatorMeta,
                      TridentCollector collector)

Description copied from interface: ITridentSpout.Emitter

Emit a batch for the specified transaction attempt and metadata for the transaction. The metadata was created by the Coordinator in the initializeTranaction method. This method must always emit the same batch of tuples across all tasks for the same transaction id.

Specified by:

emitBatch in interface ITridentSpout.Emitter

success

public void success(TransactionAttempt tx)

Description copied from interface: ITridentSpout.Emitter

This attempt committed successfully, so all state for this commit and before can be safely cleaned up.

Specified by:

success in interface ITridentSpout.Emitter

close

public void close()

Description copied from interface: ITridentSpout.Emitter

Release any resources held by this emitter.

Specified by:

close in interface ITridentSpout.Emitter