/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.panel.common.smf;

import java.beans.PropertyChangeEvent;

import javax.management.ObjectName;

import com.oracle.solaris.adr.Stability;

import com.oracle.solaris.vp.panel.common.api.smf_old.ServiceInfoMXBean;

import com.oracle.solaris.vp.panel.common.*;

/**

 * The {@code ServiceTracker} is a {@link MXBeanTracker} that automatically

 * creates and re-creates an {@link #getService AggregatedRefreshService}, which

 * wraps a {@link ServiceMXBeanAdaptor}, which wraps a {@link

 * ServiceInfoMXBean}.

 */

public class ServiceTracker extends MXBeanTracker<ServiceInfoMXBean>

    implements HasService {

    //

    // Static data

    //

    /**

     * The name of the property that changes with {@link #setService}.

     */

    public static final String PROPERTY_SERVICE = "service";

    //

    // Instance data

    //

    private AggregatedRefreshService service;

    //

    // Constructors

    //

    public ServiceTracker(ObjectName oName, ClientContext context)

	throws TrackerException {

	super(oName, ServiceInfoMXBean.class, Stability.PRIVATE, context);

    }

    public ServiceTracker(String serviceName, String instanceName,

	ClientContext context) throws TrackerException {

	this(ServiceUtil.toObjectName(serviceName, instanceName), context);

    }

    //

    // HasService methods

    //

    @Override

    public AggregatedRefreshService getService() {

	return service;

    }

    //

    // MXBeanTracker methods

    //

    @Override

    public void setBean(ServiceInfoMXBean bean) {

	if (getBean() != bean) {

	    super.setBean(bean);

	    setService();

	}

    }

    //

    // ServiceTracker methods

    //

    public void setObjectName(String serviceName, String instanceName)

        throws TrackerException {

	ObjectName oName = ServiceUtil.toObjectName(serviceName, instanceName);

	setObjectName(oName);

    }

    protected void setService(AggregatedRefreshService service) {

	if (this.service != service) {

	    PropertyChangeEvent e = new PropertyChangeEvent(

		this, PROPERTY_SERVICE, this.service, service);

	    this.service = service;

	    getPropertyChangeListeners().propertyChange(e);

	}

    }

    //

    // Private methods

    //

    private void setService() {

	setService(new AggregatedRefreshService(new ServiceMXBeanAdaptor(

	    getBean())));

    }

}