org.jboss.monitor.alarm.AlarmKey Maven / Gradle / Ivy
/*
* 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.alarm;
import javax.management.ObjectName;
/**
* AlarmKey
*
* Used to correlate stateful alarms based on mbean+type match.
*
* @author Dimitris Andreadis
* @version $Revision: 81038 $
*/
class AlarmKey
{
// Private Data --------------------------------------------------
private String alarmId;
// Static Helper -------------------------------------------------
public static AlarmKey createKey(Object mbean, String type)
{
if (mbean instanceof ObjectName)
{
return new AlarmKey(mbean.toString(), type);
}
else if (mbean instanceof String)
{
return new AlarmKey((String)mbean, type);
}
else
{
throw new IllegalArgumentException("Bad non-ObjectName 'mbean' parameter: " + mbean);
}
}
// Constructor ---------------------------------------------------
public AlarmKey(String mbean, String type)
{
StringBuffer sbuf = new StringBuffer(256);
sbuf.append(mbean).append('+').append(type);
alarmId = sbuf.toString();
}
// Object stuff --------------------------------------------------
/**
* Bases equality on alarmId equality
*/
public boolean equals(Object obj)
{
if (obj instanceof AlarmKey)
{
return ((AlarmKey)obj).alarmId.equals(this.alarmId);
}
else
{
return false;
}
}
/**
* Makes use of alarmId's hashCode
*/
public int hashCode()
{
return this.alarmId.hashCode();
}
/**
* Pretty prints
*/
public String toString()
{
StringBuffer sbuf = new StringBuffer(256);
sbuf.append("AlarmKey[").append(this.alarmId).append("]");
return sbuf.toString();
}
}