Example usage for org.apache.commons.scxml SCXMLListener SCXMLListener

Introduction

In this page you can find the example usage for org.apache.commons.scxml SCXMLListener SCXMLListener.

Prototype

SCXMLListener

Source Link

Usage

From source file:org.dishevelled.piccolo.identify.StateMachineSupport.java

/**
 * Create a new state machine support class to be delegated to
 * by the specified delegator with the specified state machine.
 *
 * @param delegator object delegating to this state machine support
 *    class, must not be null/* w  ww.j  av  a  2 s  .co m*/
 * @param stateMachine state machine for this support class, must
 *    not be null
 */
StateMachineSupport(final Object delegator, final SCXML stateMachine) {
    if (delegator == null) {
        throw new IllegalArgumentException("delegator must not be null");
    }
    if (stateMachine == null) {
        throw new IllegalArgumentException("stateMachine must not be null");
    }
    this.delegator = delegator;

    Evaluator evaluator = new JexlEvaluator();
    EventDispatcher dispatcher = new SimpleDispatcher();
    ErrorReporter errorReporter = new NoopErrorReporter();
    Context rootContext = new JexlContext();
    SCXMLListener listener = new SCXMLListener() {
        @Override
        public void onEntry(final TransitionTarget entered) {
            invoke(entered.getId());
        }

        @Override
        public void onExit(final TransitionTarget exited) {
            // empty
        }

        @Override
        public void onTransition(final TransitionTarget to, final TransitionTarget from,
                final Transition transition) {
            // empty
        }
    };

    executor = new SCXMLExecutor(evaluator, dispatcher, errorReporter);
    executor.setStateMachine(stateMachine);
    executor.setSuperStep(false);
    executor.setRootContext(rootContext);
    executor.addListener(stateMachine, listener);

    try {
        executor.go();
    } catch (ModelException e) {
        // ignore
    }
}

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