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 * 
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 * Copyright 2002 - 2007 Adobe Systems Incorporated All Rights Reserved.
 * 
 * NOTICE: All information contained herein is, and remains the property of Adobe Systems Incorporated and its suppliers, if any. The intellectual and technical concepts contained herein are
 * proprietary to Adobe Systems Incorporated and its suppliers and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade secret or copyright law. Dissemination of
 * this information or reproduction of this material is strictly forbidden unless prior written permission is obtained from Adobe Systems Incorporated.
 **************************************************************************/
package flex.management.runtime.messaging.services;

import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

import javax.management.ObjectName;

import flex.management.BaseControl;
import flex.management.runtime.messaging.MessageBrokerControl;
import flex.messaging.Destination;
import flex.messaging.services.Service;

/**
 * The <code>ServiceControl</code> class is the MBean implementation for monitoring and managing a <code>Service</code> at runtime.
 * 
 * @author shodgson
 */
public abstract class ServiceControl extends BaseControl implements ServiceControlMBean
{
    protected Service service;
    private List destinations;

    /**
     * Constructs a <code>ServiceControl</code>, assigning its id, managed service and parent MBean.
     * 
     * @param service
     *            The <code>Service</code> managed by this MBean.
     * @param parent
     *            The parent MBean in the management hierarchy.
     */
    public ServiceControl(Service service, BaseControl parent)
    {
        super(parent);
        this.service = service;
        destinations = new ArrayList();
    }

    /*
     * (non-Javadoc)
     * 
     * @see flex.management.BaseControlMBean#getId()
     */
    @Override
    public String getId()
    {
        return service.getId();
    }

    /*
     * (non-Javadoc)
     * 
     * @see flex.management.runtime.ServiceControlMBean#isRunning()
     */
    @Override
    public Boolean isRunning()
    {
        return Boolean.valueOf(service.isStarted());
    }

    /**
     * Adds the <code>ObjectName</code> of a destination registered with the managed service.
     * 
     * @param value
     *            The <code>ObjectName</code> of a destination registered with the managed service.
     */
    public void addDestination(ObjectName value)
    {
        destinations.add(value);
    }

    /**
     * Removes the <code>ObjectName</code> of a destination registered with the managed service.
     * 
     * @param value
     *            The <code>ObjectName</code> of a destination registered with the managed service.
     */
    public void removeDestination(ObjectName value)
    {
        destinations.remove(value);
    }

    /*
     * (non-Javadoc)
     * 
     * @see flex.management.runtime.ServiceControlMBean#getDestinations()
     */
    @Override
    public ObjectName[] getDestinations()
    {
        int size = destinations.size();
        ObjectName[] destinationNames = new ObjectName[size];
        for (int i = 0; i < size; ++i)
        {
            destinationNames[i] = (ObjectName) destinations.get(i);
        }
        return destinationNames;
    }

    /*
     * (non-Javadoc)
     * 
     * @see flex.management.runtime.ServiceControlMBean#getStartTimestamp()
     */
    @Override
    public Date getStartTimestamp()
    {
        return startTimestamp;
    }

    /*
     * (non-Javadoc)
     * 
     * @see javax.management.MBeanRegistration#preDeregister()
     */
    @Override
    public void preDeregister() throws Exception
    {
        MessageBrokerControl parent = (MessageBrokerControl) getParentControl();
        parent.removeService(getObjectName());

        // Unregister destinations of the service
        for (Iterator iter = service.getDestinations().values().iterator(); iter.hasNext();)
        {
            Destination child = (Destination) iter.next();
            if (child.getControl() != null)
            {
                child.getControl().unregister();
                child.setControl(null);
                child.setManaged(false);
            }

        }

        super.preDeregister();
    }

}