org.apache.flink.state.api.output.operators

Class StateBootstrapWrapperOperator<IN,OUT,OP extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT> & org.apache.flink.streaming.api.operators.OneInputStreamOperator<IN,OUT>>

java.lang.Object

org.apache.flink.state.api.output.operators.StateBootstrapWrapperOperator<IN,OUT,OP>

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.OneInputStreamOperator<IN,TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>, org.apache.flink.util.Disposable

@Internal
public final class StateBootstrapWrapperOperator<IN,OUT,OP extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT> & org.apache.flink.streaming.api.operators.OneInputStreamOperator<IN,OUT>>
extends Object
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<IN,TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.BoundedOneInput

Wraps an existing operator so it can be bootstrapped.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StateBootstrapWrapperOperator(long timestamp, org.apache.flink.core.fs.Path savepointPath, OP operator)

Method Summary

Modifier and Type	Method and Description
void	close()
void	dispose()
void	endInput()
org.apache.flink.streaming.api.operators.ChainingStrategy	getChainingStrategy()
Object	getCurrentKey()
org.apache.flink.metrics.MetricGroup	getMetricGroup()
org.apache.flink.runtime.jobgraph.OperatorID	getOperatorID()
void	initializeState(org.apache.flink.streaming.api.operators.StreamTaskStateInitializer streamTaskStateManager)
void	notifyCheckpointComplete(long checkpointId)
void	open()
void	prepareSnapshotPreBarrier(long checkpointId)
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IN> element)
void	processLatencyMarker(org.apache.flink.streaming.runtime.streamrecord.LatencyMarker latencyMarker)
void	processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
void	setChainingStrategy(org.apache.flink.streaming.api.operators.ChainingStrategy strategy)
void	setCurrentKey(Object key)
void	setKeyContextElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<?> record)
void	setKeyContextElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<?> record)
void	setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask, org.apache.flink.streaming.api.graph.StreamConfig config, org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<TaggedOperatorSubtaskState>> output)
org.apache.flink.streaming.api.operators.OperatorSnapshotFutures	snapshotState(long checkpointId, long timestamp, org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions, org.apache.flink.runtime.state.CheckpointStreamFactory storageLocation)

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.api.common.state.CheckpointListener

notifyCheckpointAborted

Constructor Detail

StateBootstrapWrapperOperator

public StateBootstrapWrapperOperator(long timestamp,
                                     org.apache.flink.core.fs.Path savepointPath,
                                     OP operator)

Method Detail

setup

public void setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask,
                  org.apache.flink.streaming.api.graph.StreamConfig config,
                  org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<TaggedOperatorSubtaskState>> output)

Specified by:

setup in interface org.apache.flink.streaming.api.operators.SetupableStreamOperator<TaggedOperatorSubtaskState>

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

processWatermark

public void processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
                      throws Exception

Specified by:

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

Throws:

Exception

processLatencyMarker

public void processLatencyMarker(org.apache.flink.streaming.runtime.streamrecord.LatencyMarker latencyMarker)
                          throws Exception

Specified by:

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

Throws:

Exception

open

public void open()
          throws Exception

Specified by:

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

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

Throws:

Exception

dispose

public void dispose()
             throws Exception

Specified by:

dispose in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

Specified by:

dispose in interface org.apache.flink.util.Disposable

Throws:

Exception

prepareSnapshotPreBarrier

public void prepareSnapshotPreBarrier(long checkpointId)
                               throws Exception

Specified by:

prepareSnapshotPreBarrier in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

Throws:

Exception

snapshotState

public org.apache.flink.streaming.api.operators.OperatorSnapshotFutures snapshotState(long checkpointId,
                                                                                      long timestamp,
                                                                                      org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions,
                                                                                      org.apache.flink.runtime.state.CheckpointStreamFactory storageLocation)
                                                                               throws Exception

Specified by:

snapshotState in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

Throws:

Exception

initializeState

public void initializeState(org.apache.flink.streaming.api.operators.StreamTaskStateInitializer streamTaskStateManager)
                     throws Exception

Specified by:

initializeState in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

Throws:

Exception

setKeyContextElement1

public void setKeyContextElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<?> record)
                           throws Exception

Specified by:

setKeyContextElement1 in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

Throws:

Exception

setKeyContextElement2

public void setKeyContextElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<?> record)
                           throws Exception

Specified by:

setKeyContextElement2 in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

Throws:

Exception

getChainingStrategy

public org.apache.flink.streaming.api.operators.ChainingStrategy getChainingStrategy()

Specified by:

getChainingStrategy in interface org.apache.flink.streaming.api.operators.SetupableStreamOperator<TaggedOperatorSubtaskState>

setChainingStrategy

public void setChainingStrategy(org.apache.flink.streaming.api.operators.ChainingStrategy strategy)

Specified by:

setChainingStrategy in interface org.apache.flink.streaming.api.operators.SetupableStreamOperator<TaggedOperatorSubtaskState>

getMetricGroup

public org.apache.flink.metrics.MetricGroup getMetricGroup()

Specified by:

getMetricGroup in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

getOperatorID

public org.apache.flink.runtime.jobgraph.OperatorID getOperatorID()

Specified by:

getOperatorID in interface org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>

notifyCheckpointComplete

public void notifyCheckpointComplete(long checkpointId)
                              throws Exception

Specified by:

notifyCheckpointComplete in interface org.apache.flink.api.common.state.CheckpointListener

Throws:

Exception

setCurrentKey

public void setCurrentKey(Object key)

Specified by:

setCurrentKey in interface org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey

public Object getCurrentKey()

Specified by:

getCurrentKey in interface org.apache.flink.streaming.api.operators.KeyContext

endInput

public void endInput()
              throws Exception

Specified by:

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

Throws:

Exception