/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.monitor;
import org.jboss.util.NestedRuntimeException;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 81038 $
*
**/
public class ThresholdMonitor extends JBossMonitor
implements ThresholdMonitorMBean, Runnable
{
protected Number thresholdValue;
protected int compareTo;
protected Class attributeClass;
public ThresholdMonitor() {}
protected void parseThresholdValue()
{
if (attributeClass.equals(Long.class))
{
thresholdValue = new Long(Long.parseLong(thresholdString == null ? "0" : thresholdString));
return;
}
else if (attributeClass.equals(Integer.class))
{
thresholdValue = new Integer(Integer.parseInt(thresholdString == null ? "0" : thresholdString));
return;
}
else if (attributeClass.equals(Double.class))
{
thresholdValue = new Double(Double.parseDouble(thresholdString == null ? "0" : thresholdString));
return;
}
else if (attributeClass.equals(Float.class))
{
thresholdValue = new Float(Float.parseFloat(thresholdString == null ? "0" : thresholdString));
return;
}
else if (attributeClass.equals(Short.class))
{
thresholdValue = new Short(Short.parseShort(thresholdString == null ? "0" : thresholdString));
return;
}
else if (attributeClass.equals(Byte.class))
{
thresholdValue = new Byte(Byte.parseByte(thresholdString == null ? "0" : thresholdString));
return;
}
throw new RuntimeException("Failed to parse threshold string: " + thresholdString + " attributeClass: " + attributeClass);
}
protected int compare(Object value)
{
parseThresholdValue();
if (attributeClass.equals(Long.class))
{
return ((Long) thresholdValue).compareTo((Long)value);
}
else if (attributeClass.equals(Integer.class))
{
return ((Integer) thresholdValue).compareTo((Integer)value);
}
else if (attributeClass.equals(Double.class))
{
return ((Double) thresholdValue).compareTo((Double) value);
}
else if (attributeClass.equals(Float.class))
{
return ((Float) thresholdValue).compareTo((Float) value);
}
else if (attributeClass.equals(Short.class))
{
return ((Short) thresholdValue).compareTo((Short) value);
}
else if (attributeClass.equals(Byte.class))
{
return ((Byte) thresholdValue).compareTo((Byte) value);
}
throw new RuntimeException("Failed to compare threshold, unknown type");
}
protected void startService() throws Exception
{
Object val = this.getServer().getAttribute(observedObject, attribute);
attributeClass = val.getClass();
super.startService();
}
protected void testThreshold()
{
if (alertSent) return;
Object value = null;
try
{
value = getServer().getAttribute(observedObject, attribute);
if (compare(value) != compareTo) return;
}
catch (Exception e)
{
throw new NestedRuntimeException("Failed to compare threshold, mbean failure", e);
}
alertSent = true;
triggerTime = System.currentTimeMillis();
triggeredAttributeValue = value;
ThresholdNotification notification = new ThresholdNotification(monitorName, getServiceName(), observedObject,
attribute, (Number) value, thresholdValue,
getNextNotificationSequenceNumber());
this.sendNotification(notification);
}
public int getCompareTo()
{
return compareTo;
}
public void setCompareTo(int compare)
{
compareTo = compare;
}
public Number getThresholdValue()
{
return thresholdValue;
}
public void setThreshold(String val)
{
thresholdString = val;
}
}