Class NotifyOnceListener<Response>

All Implemented Interfaces:
Direct Known Subclasses:

public abstract class NotifyOnceListener<Response> extends 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.
  • Constructor Details

    • NotifyOnceListener

      public NotifyOnceListener()
  • Method Details

    • innerOnResponse

      protected abstract void innerOnResponse(Response response)
    • innerOnFailure

      protected abstract void innerOnFailure(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(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>