org.apache.flink.datastream.impl.operators

Class ProcessOperator<IN,OUT>

java.lang.Object

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

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

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

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.BoundedOneInput, org.apache.flink.streaming.api.operators.Input<IN>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, org.apache.flink.streaming.api.operators.OneInputStreamOperator<IN,OUT>, org.apache.flink.streaming.api.operators.OutputTypeConfigurable<OUT>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.UserFunctionProvider<org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>>, org.apache.flink.streaming.api.operators.YieldingOperator<OUT>

Direct Known Subclasses:

KeyedProcessOperator

public class ProcessOperator<IN,OUT>
extends org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<OUT,org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<IN,OUT>, org.apache.flink.streaming.api.operators.BoundedOneInput

Operator for OneInputStreamProcessFunction.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected DefaultRuntimeContext	context
protected org.apache.flink.datastream.api.context.NonPartitionedContext<OUT>	nonPartitionedContext
protected TimestampCollector<OUT>	outputCollector
protected DefaultPartitionedContext	partitionedContext

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

Constructor Summary

Constructors

Constructor and Description
ProcessOperator(org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT> userFunction)

Method Summary

Modifier and Type	Method and Description
protected Object	currentKey()
void	endInput()
protected org.apache.flink.datastream.api.context.NonPartitionedContext<OUT>	getNonPartitionedContext()
protected TimestampCollector<OUT>	getOutputCollector()
protected org.apache.flink.datastream.api.context.ProcessingTimeManager	getProcessingTimeManager()
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN> element)

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

getChainingStrategy, 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, setChainingStrategy, setCurrentKey, setKeyContextElement1, 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.streaming.api.operators.OneInputStreamOperator

setKeyContextElement

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

close, finish, getMetricGroup, getOperatorAttributes, getOperatorID, initializeState, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

Methods inherited from interface org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

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

getCurrentKey, setCurrentKey

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.KeyContextHandler

hasKeyContext

Field Detail

context

protected transient DefaultRuntimeContext context

partitionedContext

protected transient DefaultPartitionedContext partitionedContext

nonPartitionedContext

protected transient org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> nonPartitionedContext

outputCollector

protected transient TimestampCollector<OUT> outputCollector

Constructor Detail

ProcessOperator

public ProcessOperator(org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT> userFunction)

Method Detail

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<OUT>

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<OUT,org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>>

Throws:

Exception

processElement

public void processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN> element)
                    throws Exception

Specified by:

processElement in interface org.apache.flink.streaming.api.operators.Input<IN>

Throws:

Exception

getOutputCollector

protected TimestampCollector<OUT> getOutputCollector()

endInput

public void endInput()
              throws Exception

Specified by:

endInput in interface org.apache.flink.streaming.api.operators.BoundedOneInput

Throws:

Exception

currentKey

protected Object currentKey()

getProcessingTimeManager

protected org.apache.flink.datastream.api.context.ProcessingTimeManager getProcessingTimeManager()

getNonPartitionedContext

protected org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> getNonPartitionedContext()