Example usage for org.springframework.statemachine.state ForkPseudoState getForks

Introduction

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

Prototype

public List<State<S, E>> getForks() 

Source Link

Usage

From source file:org.springframework.statemachine.support.AbstractStateMachine.java

private void switchToState(State<S, E> state, Message<E> message, Transition<S, E> transition,
        StateMachine<S, E> stateMachine) {
    if (!isInitialTransition(transition) && !StateMachineUtils.isTransientPseudoState(state)
            && !callPreStateChangeInterceptors(state, message, transition, stateMachine)) {
        return;/* w  w w . j av a2 s.  c o  m*/
    }

    StateContext<S, E> stateContext = buildStateContext(Stage.STATE_CHANGED, message, transition, stateMachine);
    State<S, E> toState = followLinkedPseudoStates(state, stateContext);
    PseudoStateKind kind = state.getPseudoState() != null ? state.getPseudoState().getKind() : null;
    if (kind != null && (kind != PseudoStateKind.INITIAL && kind != PseudoStateKind.JOIN
            && kind != PseudoStateKind.FORK)) {
        callPreStateChangeInterceptors(toState, message, transition, stateMachine);
    }

    // need to check for from original state passed in
    kind = toState.getPseudoState() != null ? toState.getPseudoState().getKind() : null;
    if (kind == PseudoStateKind.FORK) {
        exitCurrentState(toState, message, transition, stateMachine);
        ForkPseudoState<S, E> fps = (ForkPseudoState<S, E>) toState.getPseudoState();
        for (State<S, E> ss : fps.getForks()) {
            callPreStateChangeInterceptors(ss, message, transition, stateMachine);
            setCurrentState(ss, message, transition, false, stateMachine, null, fps.getForks());
        }
    } else {
        Collection<State<S, E>> targets = new ArrayList<>();
        targets.add(toState);
        setCurrentState(toState, message, transition, true, stateMachine, null, targets);
    }

    callPostStateChangeInterceptors(state, message, transition, stateMachine);

    stateMachineExecutor.execute();
    if (isComplete()) {
        stop();
    }
}

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