--- /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/InstanceStatistics.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,158 @@
+/*
+ * 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) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.panel.common.smf;
+
+import java.beans.PropertyChangeEvent;
+import com.oracle.solaris.vp.panel.common.model.*;
+import com.oracle.solaris.vp.util.misc.event.*;
+import com.oracle.solaris.vp.util.misc.finder.Finder;
+
+public class InstanceStatistics
+    extends ManagedObjectMonitor<InstanceManagedObject>
+    implements PropertyChangeEventSource
+{
+    private int onlineCount_;
+    private int maintCount_;
+    private int degradeCount_;
+    private int totalCount_;
+
+    public InstanceStatistics(ManagedObject<InstanceManagedObject> instances)
+    {
+	super(instances);
+	updateStats();
+    }
+
+    public InstanceStatistics()
+    {
+	this(new EmptyManagedObject<InstanceManagedObject>());
+    }
+
+    @Override
+    public void intervalAdded(IntervalEvent event) {
+	super.intervalAdded(event);
+	updateStats();
+    }
+
+    @Override
+    public void intervalRemoved(IntervalEvent event) {
+	super.intervalRemoved(event);
+	updateStats();
+    }
+
+    @Override
+    protected void managedObjectPropertyChange(InstanceManagedObject obj,
+	PropertyChangeEvent evt) {
+
+	updateStats();
+    }
+
+    private void resetStats()
+    {
+	totalCount_ = 0;
+	onlineCount_ = 0;
+	maintCount_ = 0;
+	degradeCount_ = 0;
+    }
+
+    private void updateStats()
+    {
+	synchronized (listenees_) {
+	    resetStats();
+
+	    for (SmfManagedObject smo : listenees_)
+		updateOnAdd(smo);
+	    pListeners_.propertyChange(new PropertyChangeEvent(this,
+		ManagedObject.PROPERTY_STATUS_TEXT, null, null));
+	    pListeners_.propertyChange(new PropertyChangeEvent(this,
+		ManagedObject.PROPERTY_STATUS, null, null));
+	}
+    }
+
+    private void updateOnAdd(SmfManagedObject smo)
+    {
+	if (!(smo instanceof InstanceManagedObject))
+	    return;
+
+	totalCount_++;
+	switch (((InstanceManagedObject)smo).getSMFState()) {
+	case ONLINE:
+	    onlineCount_++;
+	    break;
+	case MAINT:
+	    maintCount_++;
+	    break;
+	case DEGRADED:
+	    degradeCount_++;
+	}
+    }
+
+    private void updateOnRemove(SmfManagedObject smo)
+    {
+	if (!(smo instanceof InstanceManagedObject))
+	    return;
+
+	totalCount_--;
+	switch (((InstanceManagedObject)smo).getSMFState()) {
+	case ONLINE:
+	    onlineCount_--;
+	    break;
+	case MAINT:
+	    maintCount_--;
+	    break;
+	case DEGRADED:
+	    degradeCount_--;
+	}
+    }
+
+    public String getStatusText()
+    {
+	String state;
+	int count;
+
+	if (maintCount_ > 0) {
+	    state = "maintenance";
+	    count = maintCount_;
+	} else if (degradeCount_ > 0) {
+	    state = "degraded";
+	    count = degradeCount_;
+	} else {
+	    state = "healthy";
+	    count = onlineCount_;
+	}
+
+	return Finder.getString("smf.status." + state + "." + count, count);
+    }
+
+    public ManagedObjectStatus getStatus()
+    {
+	if (maintCount_ > 0)
+	    return ManagedObjectStatus.ERROR;
+	else if (degradeCount_ > 0)
+	    return ManagedObjectStatus.WARNING;
+	else
+	    return ManagedObjectStatus.HEALTHY;
+    }
+}