org.apache.flink.table.runtime.operators.over

Class BufferDataOverWindowOperator

java.lang.Object

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

org.apache.flink.table.runtime.operators.TableStreamOperator<BaseRow>

org.apache.flink.table.runtime.operators.over.BufferDataOverWindowOperator

All Implemented Interfaces:

Serializable, org.apache.flink.runtime.state.CheckpointListener, org.apache.flink.streaming.api.operators.BoundedOneInput, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.OneInputStreamOperator<BaseRow,BaseRow>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<BaseRow>, org.apache.flink.streaming.api.operators.StreamOperator<BaseRow>, org.apache.flink.util.Disposable

public class BufferDataOverWindowOperator
extends TableStreamOperator<BaseRow>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<BaseRow,BaseRow>, org.apache.flink.streaming.api.operators.BoundedOneInput

the operator for OVER window need cache data by ResettableExternalBuffer for OverWindowFrame.

See Also:

Serialized Form

Nested Class Summary

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

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

Field Summary

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

chainingStrategy, config, latencyStats, LOG, metrics, output, timeServiceManager

Constructor Summary

Constructors

Constructor and Description
BufferDataOverWindowOperator(long memorySize, OverWindowFrame[] overWindowFrames, GeneratedRecordComparator genComparator, boolean isRowAllInFixedPart)

Method Summary

Modifier and Type	Method and Description
void	close()
void	endInput()
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<BaseRow> element)

Methods inherited from class org.apache.flink.table.runtime.operators.TableStreamOperator

dispose

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, initializeState, notifyCheckpointComplete, numEventTimeTimers, numProcessingTimeTimers, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark, processWatermark1, processWatermark2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setup, snapshotState, 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.OneInputStreamOperator

processLatencyMarker, processWatermark

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

dispose, getChainingStrategy, getMetricGroup, getOperatorID, initializeState, prepareSnapshotPreBarrier, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, snapshotState

Methods inherited from interface org.apache.flink.runtime.state.CheckpointListener

notifyCheckpointComplete

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

getCurrentKey, setCurrentKey

Constructor Detail

BufferDataOverWindowOperator

public BufferDataOverWindowOperator(long memorySize,
                                    OverWindowFrame[] overWindowFrames,
                                    GeneratedRecordComparator genComparator,
                                    boolean isRowAllInFixedPart)

Parameters:

memorySize - the memory is assigned to a resettable external buffer.

overWindowFrames - the window frames belong to this operator.

genComparator - the generated sort which is used for generating the comparator among

Method Detail

open

public void open()
          throws Exception

Specified by:

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

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<BaseRow>

Throws:

Exception

processElement

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

Specified by:

processElement in interface org.apache.flink.streaming.api.operators.OneInputStreamOperator<BaseRow,BaseRow>

Throws:

Exception

endInput

public void endInput()
              throws Exception

Specified by:

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

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

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

Overrides:

close in class TableStreamOperator<BaseRow>

Throws:

Exception