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

Class KeyedStateBootstrapOperator<K,IN>

java.lang.Object

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

org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<TaggedOperatorSubtaskState,KeyedStateBootstrapFunction<K,IN>>

org.apache.flink.state.api.output.operators.KeyedStateBootstrapOperator<K,IN>

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,TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.OutputTypeConfigurable<TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.StreamOperator<TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.UserFunctionProvider<KeyedStateBootstrapFunction<K,IN>>, org.apache.flink.streaming.api.operators.YieldingOperator<TaggedOperatorSubtaskState>

@Internal
public class KeyedStateBootstrapOperator<K,IN>
extends org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<TaggedOperatorSubtaskState,KeyedStateBootstrapFunction<K,IN>>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<IN,TaggedOperatorSubtaskState>, org.apache.flink.streaming.api.operators.BoundedOneInput

A StreamOperator for executing KeyedStateBootstrapFunction's.

See Also:

• Serialized Form

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

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

Constructor Summary

Constructors

Constructor	Description
KeyedStateBootstrapOperator(long timestamp, org.apache.flink.core.fs.Path savepointPath, KeyedStateBootstrapFunction<K,IN> function)

Method Summary

Modifier and Type	Method	Description
void	endInput()
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

beforeInitializeStateHandler, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getStateKeySelector1, getStateKeySelector2, getTimeServiceManager, getUserCodeClassloader, hasKeyContext1, hasKeyContext2, initializeState, isAsyncStateProcessingEnabled, isUsingCustomRawKeyedState, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark, processWatermark, processWatermark1, processWatermark1, processWatermark2, processWatermark2, processWatermarkStatus, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, 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.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

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

processLatencyMarker, processRecordAttributes, processWatermark, 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, setKeyContextElement1, setKeyContextElement2, snapshotState

Constructor Details

KeyedStateBootstrapOperator

public KeyedStateBootstrapOperator(long timestamp,
 org.apache.flink.core.fs.Path savepointPath,
 KeyedStateBootstrapFunction<K,IN> function)

Method Details

open

public void open()
          throws Exception

Specified by:

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

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<TaggedOperatorSubtaskState,KeyedStateBootstrapFunction<K,IN>>

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<K>

Throws:

Exception

endInput

public void endInput()
              throws Exception

Specified by:

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

Throws:

Exception