MDBStats.java

/**
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.aries.samples.ariestrader.util;


/**
 *
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public class MDBStats extends java.util.HashMap {
	
	
	//Singleton class
	private static MDBStats mdbStats = null;
	private MDBStats()
	{
	}
	
	public static synchronized MDBStats getInstance()
	{
		if (mdbStats == null)
			mdbStats = new MDBStats();
		return mdbStats;
	}
	
	public TimerStat addTiming(String type, long sendTime, long recvTime)
	{
		TimerStat stats = null;
		synchronized (type)
		{

			stats = (TimerStat) get(type);
			if (stats == null) stats = new TimerStat();

			long time =  recvTime - sendTime;	        					
			if ( time > stats.getMax() ) stats.setMax(time);
			if ( time < stats.getMin() ) stats.setMin(time);
	        stats.setCount(stats.getCount()+1);
			stats.setTotalTime(stats.getTotalTime() + time);
			
			put(type, stats);
		}
		return stats;
	}



	public synchronized void reset()
	{
		clear();
	}	
	


}