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.CheckpointCommittingOperator, org.apache.flink.runtime.jobgraph.tasks.CheckpointedOperator, org.apache.flink.runtime.jobgraph.tasks.OperatorStateCarrier<org.apache.flink.runtime.state.StateHandle<Serializable>>

Direct Known Subclasses:

StreamIterationHead, StreamIterationTail

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

Field Summary

Fields

Modifier and Type	Field and Description
protected StreamRecordSerializer<IN>	inSerializer
protected IndexedReaderIterator<StreamRecord<IN>>	recordIterator

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

checkpointLock, configuration, contexts, hasChainedOperators, isRunning, outputHandler, streamOperator, userClassLoader

Constructor Summary

Constructors

Constructor and Description
OneInputStreamTask()

Method Summary

Modifier and Type	Method and Description
void	invoke()
protected StreamRecord<IN>	readNext()
void	registerInputOutput()

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

cancel, clearBuffers, closeOperator, confirmCheckpoint, createRuntimeContext, getName, getSuperstepListener, openOperator, setInitialState, 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, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

inSerializer

protected StreamRecordSerializer<IN> inSerializer

recordIterator

protected IndexedReaderIterator<StreamRecord<IN>> recordIterator

Constructor Detail

OneInputStreamTask

public OneInputStreamTask()

Method Detail

registerInputOutput

public void registerInputOutput()

Overrides:

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

readNext

protected StreamRecord<IN> readNext()
                             throws IOException

Throws:

IOException

invoke

public void invoke()
            throws Exception

Specified by:

invoke in class org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable

Throws:

Exception