Example usage for org.apache.commons.scxml2 TriggerEvent SIGNAL_EVENT

Introduction

In this page you can find the example usage for org.apache.commons.scxml2 TriggerEvent SIGNAL_EVENT.

Prototype

int SIGNAL_EVENT

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Document

SIGNAL_EVENT.

Usage

From source file:com.github.woonsan.commons.scxml.examples.stopwatch.StopWatchFrame.java

public void actionPerformed(ActionEvent event) {
    String command = event.getActionCommand();

    try {//from  ww  w . j a  v  a 2s.com
        if ("START".equals(command)) {
            executor.triggerEvent(new TriggerEvent("watch.start", TriggerEvent.SIGNAL_EVENT));

            startButton.setEnabled(false);
            stopButton.setEnabled(true);
            resetButton.setEnabled(false);

        } else if ("STOP".equals(command)) {
            executor.triggerEvent(new TriggerEvent("watch.stop", TriggerEvent.SIGNAL_EVENT));

            startButton.setEnabled(true);
            stopButton.setEnabled(false);
            resetButton.setEnabled(true);

        } else if ("RESET".equals(command)) {
            executor.triggerEvent(new TriggerEvent("watch.reset", TriggerEvent.SIGNAL_EVENT));

            startButton.setEnabled(true);
            stopButton.setEnabled(false);
            resetButton.setEnabled(false);

        }
    } catch (ModelException e) {
        e.printStackTrace();
    }
}

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From source file:it.polito.elite.dog.drivers.appliances.base.ApplianceDriverInstance.java

/**
 * Handles notifications coming from the meter associated to the device
 * handled by this driver. Currently on// w ww  .  ja  v a2 s.c  o m
 * {@link SinglePhaseActivePowerMeasurementNotification} are supported.
 * 
 * @param currentNotification
 *            The {@link Notification} to handle.
 */
public void handleNotification(Notification currentNotification) {
    //check if an executor is available
    if (this.executor != null) {
        // default behavior, only handle single phase active power
        // notifications, can be overridden
        if (currentNotification instanceof SinglePhaseActivePowerMeasurementNotification) {
            // get the notification name
            String name = SinglePhaseActivePowerMeasurementNotification.notificationName;

            // converts to a power measure
            @SuppressWarnings("unchecked")
            DecimalMeasure<Power> value = (DecimalMeasure<Power>) ((SinglePhaseActivePowerMeasurementNotification) currentNotification)
                    .getPowerValue();

            // build an event representing the new measure in Watt...
            // TODO check if it could be generalized to all notifications?
            // maybe using evaluators?
            TriggerEvent event = new TriggerEvent(name, TriggerEvent.SIGNAL_EVENT,
                    new Double(value.to(SI.WATT).getValue().doubleValue()));

            // trigger the event in the state machine
            try {
                this.executor.triggerEvent(event);
            } catch (ModelException e) {
                // log the error, and continue
                this.logger.log(LogService.LOG_WARNING,
                        "Error while triggering a new event on the device state machine for device: "
                                + device.getDeviceId(),
                        e);
            }

        }
    }

}

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From source file:org.onehippo.repository.scxml.SCXMLWorkflowExecutor.java

/**
 * Invokes {@link SCXMLExecutor#triggerEvent(TriggerEvent)} with a {@link TriggerEvent#SIGNAL_EVENT}, the provided
 * action as event name and payload as event payload
 * <p>//w w w  .j a v  a2s . c o m
 * The action will first be validated against the provided custom actions map which must
 * have this action defined with value Boolean.TRUE, otherwise a WorkflowException is thrown before even invoking
 * the state machine.
 * </p>
 * @return {@link SCXMLWorkflowContext#getResult()} if there's no exception.
 */
public Object triggerAction(String action, Map<String, Boolean> actionsMap, Map<String, Object> payload)
        throws WorkflowException {
    if (!started) {
        throw new WorkflowException("Workflow " + scxmlId + " not started");
    }
    if (terminated) {
        throw new WorkflowException("Workflow " + scxmlId + " already terminated");
    }
    try {
        Boolean allowed = actionsMap.get(action);
        if (allowed == null || !allowed) {
            throw new WorkflowException("Cannot invoke workflow " + scxmlId + " action " + action
                    + ": action not allowed or undefined");
        }
        TriggerEvent event = new TriggerEvent(action, TriggerEvent.SIGNAL_EVENT, payload);
        if (payload == null) {
            log.debug("Invoking workflow {} action {}", scxmlId, action);
        } else {
            log.debug("Invoking workflow {} action {} with payload {}", scxmlId, action, payload.toString());
        }
        // reset result
        context.setResult(null);
        executor.triggerEvent(event);
        if (executor.getCurrentStatus().isFinal()) {
            terminated = true;
        }
    } catch (Exception e) {
        handleException(e);
    }
    // only reached when no exception
    return context.getResult();
}

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