org.apache.flink.streaming.api.operators

Class StoppableStreamSource<OUT,SRC extends SourceFunction<OUT> & StoppableFunction>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>

org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<OUT,SRC>

org.apache.flink.streaming.api.operators.StreamSource<OUT,SRC>

org.apache.flink.streaming.api.operators.StoppableStreamSource<OUT,SRC>

Type Parameters:

OUT - Type of the output elements

SRC - Type of the source function which has to be stoppable

All Implemented Interfaces:

Serializable, KeyContext, OutputTypeConfigurable<OUT>, StreamOperator<OUT>

public class StoppableStreamSource<OUT,SRC extends SourceFunction<OUT> & StoppableFunction>
extends StreamSource<OUT,SRC>

StoppableStreamSource takes a SourceFunction that implements StoppableFunction.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

AbstractStreamOperator.CountingOutput, AbstractStreamOperator.LatencyGauge

Field Summary

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator

userFunction

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, config, latencyGauge, LOG, metrics, output, timeServiceManager

Constructor Summary

Constructors

Constructor and Description
StoppableStreamSource(SRC sourceFunction) Takes a SourceFunction that implements StoppableFunction.

Method Summary

Modifier and Type	Method and Description
void	stop() Marks the source a stopped and calls StoppableFunction.stop() on the user function.

Methods inherited from class org.apache.flink.streaming.api.operators.StreamSource

cancel, isCanceledOrStopped, markCanceledOrStopped, run, run

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator

close, dispose, getUserFunction, getUserFunctionParameters, initializeState, notifyOfCompletedCheckpoint, open, setOutputType, setup, snapshotState

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getUserCodeClassloader, initializeState, numEventTimeTimers, numProcessingTimeTimers, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark, processWatermark1, processWatermark2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, snapshotState

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

close, dispose, getChainingStrategy, getMetricGroup, getOperatorID, initializeState, notifyOfCompletedCheckpoint, open, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setup, snapshotState

Constructor Detail

StoppableStreamSource

public StoppableStreamSource(SRC sourceFunction)

Takes a SourceFunction that implements StoppableFunction.

Parameters:

sourceFunction - A SourceFunction that implements StoppableFunction.

Method Detail

stop

public void stop()

Marks the source a stopped and calls StoppableFunction.stop() on the user function.