Package org.elasticsearch.action

Class NotifyOnceListener<Response>

  • All Implemented Interfaces:
    ActionListener<Response>
    public abstract class NotifyOnceListener<Response>
extends java.lang.Object
implements ActionListener<Response>
    A listener that ensures that only one of onResponse or onFailure is called. And the method the is called is only called once. Subclasses should implement notification logic with innerOnResponse and innerOnFailure.

    • Method Summary

      Modifier and Type Method Description
      protected abstract void innerOnFailure​(java.lang.Exception e)  
      protected abstract void innerOnResponse​(Response response)  
      void onFailure​(java.lang.Exception e)
      A failure caused by an exception at some phase of the task.
      void onResponse​(Response response)
      Handle action response.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • NotifyOnceListener

        public NotifyOnceListener()

    • Method Detail

      • innerOnResponse

        protected abstract void innerOnResponse​(Response response)

      • innerOnFailure

        protected abstract void innerOnFailure​(java.lang.Exception e)

      • onResponse

        public final void onResponse​(Response response)
        Description copied from interface: ActionListener
        Handle action response. This response may constitute a failure or a success but it is up to the listener to make that decision.
        Specified by:
        onResponse in interface ActionListener<Response>

      • onFailure

        public final void onFailure​(java.lang.Exception e)
        Description copied from interface: ActionListener
        A failure caused by an exception at some phase of the task.
        Specified by:
        onFailure in interface ActionListener<Response>