List of usage examples for org.springframework.statemachine.ensemble EnsembleListenerAdapter EnsembleListenerAdapter
EnsembleListenerAdapter
From source file:demo.web.StateMachineController.java
@PostConstruct public void setup() { stateMachine.addStateListener(new StateMachineListenerAdapter<States, Events>() { @Override/*www . j a v a2 s .c o m*/ public void stateEntered(State<States, Events> state) { StateMachineMessage message = new StateMachineMessage(); message.setMessage("Enter state " + state.getId().toString()); simpMessagingTemplate.convertAndSend("/topic/sm.message", message); } @Override public void stateExited(State<States, Events> state) { StateMachineMessage message = new StateMachineMessage(); message.setMessage("Exit state " + state.getId().toString()); simpMessagingTemplate.convertAndSend("/topic/sm.message", message); } @Override public void stateChanged(State<States, Events> from, State<States, Events> to) { Map<Object, Object> variables = stateMachine.getExtendedState().getVariables(); ArrayList<StateMachineEvent> list = new ArrayList<StateMachineEvent>(); for (States state : stateMachine.getState().getIds()) { list.add(new StateMachineEvent(state.toString())); } simpMessagingTemplate.convertAndSend("/topic/sm.states", list); simpMessagingTemplate.convertAndSend("/topic/sm.variables", variables); } @Override public void transitionEnded(Transition<States, Events> transition) { if (transition != null && transition.getKind() == TransitionKind.INTERNAL) { Map<Object, Object> variables = stateMachine.getExtendedState().getVariables(); simpMessagingTemplate.convertAndSend("/topic/sm.variables", variables); } } @Override public void stateMachineError(StateMachine<States, Events> stateMachine, Exception exception) { handleStateMachineError(new StateMachineException("Received error from machine", exception)); } }); stateMachineEnsemble.addEnsembleListener(new EnsembleListenerAdapter<States, Events>() { @Override public void ensembleLeaderGranted(StateMachine<States, Events> stateMachine) { StateMachineMessage message = new StateMachineMessage(); message.setMessage("Leader granted " + stateMachine.getUuid().toString()); simpMessagingTemplate.convertAndSend("/topic/sm.message", message); } @Override public void ensembleLeaderRevoked(StateMachine<States, Events> stateMachine) { StateMachineMessage message = new StateMachineMessage(); message.setMessage("Leader revoked " + stateMachine.getUuid().toString()); simpMessagingTemplate.convertAndSend("/topic/sm.message", message); } }); }