org.apache.flink.streaming.runtime.tasks

Class OneInputStreamTask<IN,OUT>

java.lang.Object

org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable

org.apache.flink.streaming.runtime.tasks.StreamTask<OUT,OneInputStreamOperator<IN,OUT>>

org.apache.flink.streaming.runtime.tasks.OneInputStreamTask<IN,OUT>

All Implemented Interfaces:

org.apache.flink.runtime.jobgraph.tasks.StatefulTask<StreamTaskStateList>

Direct Known Subclasses:

StreamIterationHead, StreamIterationTail

@Internal
public class OneInputStreamTask<IN,OUT>
extends StreamTask<OUT,OneInputStreamOperator<IN,OUT>>

Field Summary

Fields inherited from class org.apache.flink.streaming.runtime.tasks.StreamTask

headOperator, LOG, TRIGGER_THREAD_GROUP

Constructor Summary

Constructors

Constructor and Description
OneInputStreamTask()

Method Summary

Modifier and Type	Method and Description
protected void	cancelTask()
protected void	cleanup()
void	init()
protected void	run()

Methods inherited from class org.apache.flink.streaming.runtime.tasks.StreamTask

cancel, checkTimerException, createStateBackend, failExternally, finalize, getAccumulatorMap, getCheckpointBarrierListener, getCheckpointLock, getConfiguration, getCurrentProcessingTime, getHeadOutput, getName, getStreamOutputs, invoke, isCanceled, isRunning, isSerializingTimestamps, notifyCheckpointComplete, performCheckpoint, registerTimer, setInitialState, setTimeService, toString, triggerCheckpoint

Methods inherited from class org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable

getCurrentNumberOfSubtasks, getEnvironment, getExecutionConfig, getIndexInSubtaskGroup, getJobConfiguration, getTaskConfiguration, getUserCodeClassLoader, setEnvironment

Methods inherited from class java.lang.Object

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

Constructor Detail

OneInputStreamTask

public OneInputStreamTask()

Method Detail

init

public void init()
          throws Exception

Specified by:

init in class StreamTask<OUT,OneInputStreamOperator<IN,OUT>>

Throws:

Exception

run

protected void run()
            throws Exception

Specified by:

run in class StreamTask<OUT,OneInputStreamOperator<IN,OUT>>

Throws:

Exception

cleanup

protected void cleanup()
                throws Exception

Specified by:

cleanup in class StreamTask<OUT,OneInputStreamOperator<IN,OUT>>

Throws:

Exception

cancelTask

protected void cancelTask()

Specified by:

cancelTask in class StreamTask<OUT,OneInputStreamOperator<IN,OUT>>