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

类 RankOperator

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.sort.RankOperator

所有已实现的接口:

Serializable, org.apache.flink.runtime.state.CheckpointListener, 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 RankOperator
extends TableStreamOperator<BaseRow>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<BaseRow,BaseRow>

Rank operator to compute top N.

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.streaming.api.operators.AbstractStreamOperator

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

字段概要

从类继承的字段 org.apache.flink.streaming.api.operators.AbstractStreamOperator

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

构造器概要

构造器

构造器和说明
RankOperator(GeneratedRecordComparator partitionByGenComp, GeneratedRecordComparator orderByGenComp, long rankStart, long rankEnd, boolean outputRankFunColumn)

方法概要

限定符和类型	方法和说明
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<BaseRow> element)

从类继承的方法 org.apache.flink.table.runtime.operators.TableStreamOperator

close, computeMemorySize, dispose

从类继承的方法 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

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.streaming.api.operators.OneInputStreamOperator

processLatencyMarker, processWatermark

从接口继承的方法 org.apache.flink.streaming.api.operators.StreamOperator

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

从接口继承的方法 org.apache.flink.runtime.state.CheckpointListener

notifyCheckpointComplete

从接口继承的方法 org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

构造器详细资料

RankOperator

public RankOperator(GeneratedRecordComparator partitionByGenComp,
                    GeneratedRecordComparator orderByGenComp,
                    long rankStart,
                    long rankEnd,
                    boolean outputRankFunColumn)

方法详细资料

open

public void open()
          throws Exception

指定者:

open 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<BaseRow>

覆盖:

open 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<BaseRow>

抛出:

Exception

processElement

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

指定者:

processElement 在接口中 org.apache.flink.streaming.api.operators.OneInputStreamOperator<BaseRow,BaseRow>

抛出:

Exception