--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/vpanels/panel/com/oracle/solaris/vp/panel/common/smf/ServiceTracker.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,123 @@
+/*
+ * 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())));
+    }
+}