org.apache.flink.runtime.operators.sort

接口 StageRunner.StageMessageDispatcher<E>

所有超级接口:

AutoCloseable

封闭接口:

StageRunner

public static interface StageRunner.StageMessageDispatcher<E>
extends AutoCloseable

A dispatcher for inter-stage communication. It allows for returning a result to a Sorter via sendResult(MutableObjectIterator)

方法概要

限定符和类型	方法和说明
org.apache.flink.runtime.operators.sort.CircularElement<E>	poll(StageRunner.SortStage stage) Retrieves and removes the head of the given stage queue, or returns null if the queue is empty.
void	send(StageRunner.SortStage stage, org.apache.flink.runtime.operators.sort.CircularElement<E> element) Sends a message to the given stage.
void	sendResult(org.apache.flink.util.MutableObjectIterator<E> result) Sends a result to the corresponding Sorter.
org.apache.flink.runtime.operators.sort.CircularElement<E>	take(StageRunner.SortStage stage) Retrieves and removes the head of the given queue, waiting if necessary until an element becomes available.

从接口继承的方法 java.lang.AutoCloseable

close

方法详细资料

send

void send(StageRunner.SortStage stage,
          org.apache.flink.runtime.operators.sort.CircularElement<E> element)

Sends a message to the given stage.

take

org.apache.flink.runtime.operators.sort.CircularElement<E> take(StageRunner.SortStage stage)
                                                         throws InterruptedException

Retrieves and removes the head of the given queue, waiting if necessary until an element becomes available.

返回:

the head of the queue

抛出:

InterruptedException

poll

org.apache.flink.runtime.operators.sort.CircularElement<E> poll(StageRunner.SortStage stage)

Retrieves and removes the head of the given stage queue, or returns null if the queue is empty.

返回:

the head of the queue, or null if the queue is empty

sendResult

void sendResult(org.apache.flink.util.MutableObjectIterator<E> result)

Sends a result to the corresponding Sorter.