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

Interface StageRunner.StageMessageDispatcher<E>

All Superinterfaces:
AutoCloseable
Enclosing interface:
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)

  • Method Summary

    Modifier and Type
    Method
    Description
    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.

    Methods inherited from interface java.lang.AutoCloseable

    close

  • Method Details

    • 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.
      Returns:
      the head of the queue
      Throws:
      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.
      Returns:
      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.