Class HashAggregationOperator

java.lang.Object
org.elasticsearch.compute.operator.HashAggregationOperator
All Implemented Interfaces:
Closeable, AutoCloseable, Operator, org.elasticsearch.core.Releasable

public class HashAggregationOperator extends Object implements Operator
  • Field Details

  • Constructor Details

  • Method Details

    • needsInput

      public boolean needsInput()
      Description copied from interface: Operator
      whether the given operator can accept more input pages
      Specified by:
      needsInput in interface Operator
    • addInput

      public void addInput(Page page)
      Description copied from interface: Operator
      adds an input page to the operator. only called when needsInput() == true and isFinished() == false
      Specified by:
      addInput in interface Operator
    • getOutput

      public Page getOutput()
      Description copied from interface: Operator
      returns non-null if output page available. Only called when isFinished() == false
      Specified by:
      getOutput in interface Operator
    • finish

      public void finish()
      Description copied from interface: Operator
      notifies the operator that it won't receive any more input pages
      Specified by:
      finish in interface Operator
    • isFinished

      public boolean isFinished()
      Description copied from interface: Operator
      whether the operator has finished processing all input pages and made the corresponding output pages available
      Specified by:
      isFinished in interface Operator
    • close

      public void close()
      Description copied from interface: Operator
      notifies the operator that it won't be used anymore (i.e. none of the other methods called), and its resources can be cleaned up
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Specified by:
      close in interface Operator
      Specified by:
      close in interface org.elasticsearch.core.Releasable
    • status

      public Operator.Status status()
      Description copied from interface: Operator
      The status of the operator.
      Specified by:
      status in interface Operator
    • checkState

      protected static void checkState(boolean condition, String msg)
    • wrapPage

      protected Page wrapPage(Page page)
    • toString

      public String toString()
      Overrides:
      toString in class Object