Example usage for org.springframework.statemachine.state EnumState EnumState

List of usage examples for org.springframework.statemachine.state EnumState EnumState

Introduction

In this page you can find the example usage for org.springframework.statemachine.state EnumState EnumState.

Prototype

public EnumState(S id, Collection<E> deferred) 

Source Link

Document

Instantiates a new enum state.

Usage

From source file:org.springframework.statemachine.EnumStateMachineTests.java

@Test
public void testSimpleStateSwitch() {
    PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>(
            PseudoStateKind.INITIAL);//from w w  w  .ja  v  a  2s.co m
    State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, pseudoState);
    State<TestStates, TestEvents> stateS1 = new EnumState<TestStates, TestEvents>(TestStates.S1);
    State<TestStates, TestEvents> stateS2 = new EnumState<TestStates, TestEvents>(TestStates.S2);
    State<TestStates, TestEvents> stateS3 = new EnumState<TestStates, TestEvents>(TestStates.S3);

    Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>();
    states.add(stateSI);
    states.add(stateS1);
    states.add(stateS2);
    states.add(stateS3);

    Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>();

    Collection<Action<TestStates, TestEvents>> actionsFromSIToS1 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromSIToS1.add(new LoggingAction("actionsFromSIToS1"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromSIToS1 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateSI, stateS1, actionsFromSIToS1, TestEvents.E1, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E1));

    Collection<Action<TestStates, TestEvents>> actionsFromS1ToS2 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromS1ToS2.add(new LoggingAction("actionsFromS1ToS2"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromS1ToS2 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateS1, stateS2, actionsFromS1ToS2, TestEvents.E2, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E2));

    Collection<Action<TestStates, TestEvents>> actionsFromS2ToS3 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromS1ToS2.add(new LoggingAction("actionsFromS2ToS3"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromS2ToS3 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateS2, stateS3, actionsFromS2ToS3, TestEvents.E3, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E3));

    transitions.add(transitionFromSIToS1);
    transitions.add(transitionFromS1ToS2);
    transitions.add(transitionFromS2ToS3);

    SyncTaskExecutor taskExecutor = new SyncTaskExecutor();
    BeanFactory beanFactory = new DefaultListableBeanFactory();
    ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states,
            transitions, stateSI);
    machine.setTaskExecutor(taskExecutor);
    machine.setBeanFactory(beanFactory);
    machine.afterPropertiesSet();
    machine.start();

    State<TestStates, TestEvents> initialState = machine.getInitialState();
    assertThat(initialState, is(stateSI));

    State<TestStates, TestEvents> state = machine.getState();
    assertThat(state, is(stateSI));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
    state = machine.getState();
    assertThat(state, is(stateS1));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E2).build());
    state = machine.getState();
    assertThat(state, is(stateS2));

    // not processed
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
    state = machine.getState();
    assertThat(state, is(stateS2));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E3).build());
    state = machine.getState();
    assertThat(state, is(stateS3));
}

From source file:org.springframework.statemachine.EnumStateMachineTests.java

@Test
public void testInternalTransitions() {
    PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>(
            PseudoStateKind.INITIAL);//from   w ww . j  a  v a2s .  co m
    State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, pseudoState);

    Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>();
    states.add(stateSI);

    Collection<Action<TestStates, TestEvents>> actionsInSI = new ArrayList<Action<TestStates, TestEvents>>();
    actionsInSI.add(new LoggingAction("actionsInSI"));
    DefaultInternalTransition<TestStates, TestEvents> transitionInternalSI = new DefaultInternalTransition<TestStates, TestEvents>(
            stateSI, actionsInSI, TestEvents.E1, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E1));

    // transitions
    Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>();
    transitions.add(transitionInternalSI);

    SyncTaskExecutor taskExecutor = new SyncTaskExecutor();
    BeanFactory beanFactory = new DefaultListableBeanFactory();
    ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states,
            transitions, stateSI);
    machine.setTaskExecutor(taskExecutor);
    machine.setBeanFactory(beanFactory);
    machine.afterPropertiesSet();
    machine.start();

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
}