How to use

MessagingProgramStateWriter

in

co.cask.cdap.internal.app.program

@Override
public void killed(ProgramRunId programRunId) {
 stop(programRunId, ProgramRunStatus.KILLED, null);
}

private void publishProgramStatus(ProgramRunId programRunId, ProgramStatus status) {
 ProgramStateWriter stateWriter = new MessagingProgramStateWriter(cConf, messagingService);
 switch (status) {
  case INITIALIZING:
   stateWriter.start(programRunId, new SimpleProgramOptions(programRunId.getParent()), null, null);
   break;
  case RUNNING:
   stateWriter.running(programRunId, null);
   break;
  case COMPLETED:
   stateWriter.completed(programRunId);
   break;
  case FAILED:
   stateWriter.error(programRunId, new Exception("Program run failed"));
   break;
  case KILLED:
   stateWriter.killed(programRunId);
   break;
  default:
   throw new IllegalArgumentException("Unsupported program status " + status);
 }
}

TopicId programEventTopic =
 NamespaceId.SYSTEM.topic(cConf.get(Constants.AppFabric.PROGRAM_STATUS_RECORD_EVENT_TOPIC));
ProgramStateWriter programStateWriter = new MessagingProgramStateWriter(cConf, messagingService);

@Override
public void killed(ProgramRunId programRunId) {
 stop(programRunId, ProgramRunStatus.KILLED, null);
}

@Override
public void completed(ProgramRunId programRunId) {
 stop(programRunId, ProgramRunStatus.COMPLETED, null);
}

@Override
public void error(ProgramRunId programRunId, Throwable failureCause) {
 stop(programRunId, ProgramRunStatus.FAILED, failureCause);
}

@Override
public void completed(ProgramRunId programRunId) {
 stop(programRunId, ProgramRunStatus.COMPLETED, null);
}

@Override
public void error(ProgramRunId programRunId, Throwable failureCause) {
 stop(programRunId, ProgramRunStatus.FAILED, failureCause);
}