Package org.apache.flink.datastream.impl.operators

Class KeyedProcessOperator<KEY,IN,OUT>

java.lang.Object

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

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

org.apache.flink.datastream.impl.operators.ProcessOperator<IN,OUT>

org.apache.flink.datastream.impl.operators.KeyedProcessOperator<KEY,IN,OUT>

All Implemented Interfaces:

Serializable, CheckpointListener, BoundedOneInput, Input<IN>, KeyContext, KeyContextHandler, OneInputStreamOperator<IN,OUT>, OutputTypeConfigurable<OUT>, StreamOperator<OUT>, StreamOperatorStateHandler.CheckpointedStreamOperator, Triggerable<KEY,VoidNamespace>, UserFunctionProvider<OneInputStreamProcessFunction<IN,OUT>>, YieldingOperator<OUT>

public class KeyedProcessOperator<KEY,IN,OUT>
extends ProcessOperator<IN,OUT>
implements Triggerable<KEY,VoidNamespace>

Operator for OneInputStreamProcessFunction in KeyedPartitionStream.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.datastream.impl.operators.ProcessOperator

context, nonPartitionedContext, outputCollector, partitionedContext

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

userFunction

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

config, lastRecordAttributes1, lastRecordAttributes2, latencyStats, LOG, metrics, output, processingTimeService, stateHandler, stateKeySelector1, stateKeySelector2, timeServiceManager

Constructor Summary

Constructors

Constructor	Description
KeyedProcessOperator(OneInputStreamProcessFunction<IN,OUT> userFunction)
KeyedProcessOperator(OneInputStreamProcessFunction<IN,OUT> userFunction, KeySelector<OUT,KEY> outKeySelector)

Method Summary

Modifier and Type	Method	Description
protected Object	currentKey()
protected NonPartitionedContext<OUT>	getNonPartitionedContext()
protected TimestampCollector<OUT>	getOutputCollector()
protected ProcessingTimeManager	getProcessingTimeManager()
void	onEventTime(InternalTimer<KEY,VoidNamespace> timer)	Invoked when an event-time timer fires.
void	onProcessingTime(InternalTimer<KEY,VoidNamespace> timer)	Invoked when a processing-time timer fires.
void	open()	This method is called immediately before any elements are processed, it should contain the operator's initialization logic, e.g. state initialization.
void	setKeyContextElement1(StreamRecord record)

Methods inherited from class org.apache.flink.datastream.impl.operators.ProcessOperator

endInput, processElement

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

close, finish, getUserFunction, getUserFunctionParameters, initializeState, notifyCheckpointAborted, notifyCheckpointComplete, setOutputType, setup, snapshotState

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

getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getStateKeySelector1, getStateKeySelector2, getTimeServiceManager, getUserCodeClassloader, hasKeyContext1, hasKeyContext2, initializeState, isUsingCustomRawKeyedState, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setCurrentKey, setKeyContextElement2, setMailboxExecutor, setProcessingTimeService, snapshotState, useSplittableTimers

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.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

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

processLatencyMarker, processRecordAttributes, processWatermark, processWatermarkStatus

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

getCurrentKey, setCurrentKey

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

hasKeyContext

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

setKeyContextElement

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

close, finish, getMetricGroup, getOperatorAttributes, getOperatorID, initializeState, prepareSnapshotPreBarrier, setKeyContextElement2, snapshotState

Constructor Detail

KeyedProcessOperator

public KeyedProcessOperator(OneInputStreamProcessFunction<IN,OUT> userFunction)

KeyedProcessOperator

public KeyedProcessOperator(OneInputStreamProcessFunction<IN,OUT> userFunction,
                            @Nullable
                            KeySelector<OUT,KEY> outKeySelector)

Method Detail

open

public void open()
          throws Exception

Description copied from class: AbstractStreamOperator

This method is called immediately before any elements are processed, it should contain the operator's initialization logic, e.g. state initialization.

The default implementation does nothing.

Specified by:

open in interface StreamOperator<KEY>

Overrides:

open in class ProcessOperator<IN,OUT>

Throws:

Exception - An exception in this method causes the operator to fail.

getOutputCollector

protected TimestampCollector<OUT> getOutputCollector()

Overrides:

getOutputCollector in class ProcessOperator<IN,OUT>

currentKey

protected Object currentKey()

Overrides:

currentKey in class ProcessOperator<IN,OUT>

onEventTime

public void onEventTime(InternalTimer<KEY,VoidNamespace> timer)
                 throws Exception

Description copied from interface: Triggerable

Invoked when an event-time timer fires.

Specified by:

onEventTime in interface Triggerable<KEY,IN>

Throws:

Exception

onProcessingTime

public void onProcessingTime(InternalTimer<KEY,VoidNamespace> timer)
                      throws Exception

Description copied from interface: Triggerable

Invoked when a processing-time timer fires.

Specified by:

onProcessingTime in interface Triggerable<KEY,IN>

Throws:

Exception

getProcessingTimeManager

protected ProcessingTimeManager getProcessingTimeManager()

Overrides:

getProcessingTimeManager in class ProcessOperator<IN,OUT>

getNonPartitionedContext

protected NonPartitionedContext<OUT> getNonPartitionedContext()

Overrides:

getNonPartitionedContext in class ProcessOperator<IN,OUT>

setKeyContextElement1

public void setKeyContextElement1(StreamRecord record)
                           throws Exception

Specified by:

setKeyContextElement1 in interface StreamOperator<KEY>

Overrides:

setKeyContextElement1 in class AbstractStreamOperator<OUT>

Throws:

Exception