Package org.apache.flink.table.runtime.operators.sort

Class LimitOperator

java.lang.Object
org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
org.apache.flink.table.runtime.operators.TableStreamOperator<org.apache.flink.table.data.RowData>
org.apache.flink.table.runtime.operators.sort.LimitOperator
All Implemented Interfaces:
Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.Input<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.YieldingOperator<org.apache.flink.table.data.RowData>
public class LimitOperator extends TableStreamOperator<org.apache.flink.table.data.RowData> implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>
Operator for batch limit. TODO support stopEarly.
See Also:

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.apache.flink.table.runtime.operators.TableStreamOperator

    TableStreamOperator.ContextImpl

  • Field Summary

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

    ctx, currentWatermark

    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
    LimitOperator(boolean isGlobal, long limitStart, long limitEnd)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.table.data.RowData> element)
     

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

    computeMemorySize, open, processWatermark, useSplittableTimers

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

    beforeInitializeStateHandler, close, finish, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getStateKeySelector1, getStateKeySelector2, getTimeServiceManager, getUserCodeClassloader, hasKeyContext1, hasKeyContext2, initializeState, initializeState, isAsyncStateProcessingEnabled, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark, processWatermark1, processWatermark1, processWatermark2, processWatermark2, processWatermarkStatus, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setMailboxExecutor, setProcessingTimeService, 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.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, open, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

  • Constructor Details

    • LimitOperator

      public LimitOperator(boolean isGlobal, long limitStart, long limitEnd)

  • Method Details

    • processElement

      public void processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.table.data.RowData> element) throws Exception
      Specified by:
      processElement in interface org.apache.flink.streaming.api.operators.Input<org.apache.flink.table.data.RowData>
      Throws:
      Exception