com.isencia.passerelle.hmi.action.ModelSuspender.java Source code

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Here is the source code for com.isencia.passerelle.hmi.action.ModelSuspender.java

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/*
 * (c) Copyright 2001-2006, iSencia Belgium NV
 * All Rights Reserved.
 *
 * This software is the proprietary information of iSencia Belgium NV.
 * Use is subject to license terms.
 */
package com.isencia.passerelle.hmi.action;

import java.awt.event.ActionEvent;

import javax.swing.ImageIcon;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.isencia.passerelle.ext.impl.SuspendResumeExecutionControlStrategy;
import com.isencia.passerelle.hmi.HMIBase;
import com.isencia.passerelle.hmi.HMIMessages;
import com.isencia.passerelle.hmi.state.StateMachine;

@SuppressWarnings("serial")
public class ModelSuspender extends AbstractAction {
    private final static Log logger = LogFactory.getLog(ModelSuspender.class);

    public ModelSuspender(final HMIBase base) {
        super(base, HMIMessages.getString(HMIMessages.MENU_SUSPEND),
                new ImageIcon(HMIBase.class.getResource("resources/suspend.gif")));
    }

    @Override
    protected Log getLogger() {
        return logger;
    }

    public synchronized void actionPerformed(final ActionEvent e) {
        if (getLogger().isTraceEnabled()) {
            getLogger().trace("Model Suspend action - entry"); //$NON-NLS-1$
        }

        // DBA : need to be validating : pause execution
        // getHMI().suspendModel();

        try {
            ((SuspendResumeExecutionControlStrategy) getHMI().getDirector().getExecutionControlStrategy())
                    .suspend();
        } catch (final Exception ex) {
            getLogger().error("Received suspend event, but model not configured correctly", ex);
        }
        StateMachine.getInstance().transitionTo(StateMachine.MODEL_EXECUTING_SUSPENDED);

        if (getLogger().isTraceEnabled()) {
            getLogger().trace("Model Suspend action - exit"); //$NON-NLS-1$
        }
    }
}