Memory.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt 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.restcomm.media.spi.memory;

import org.restcomm.media.concurrent.ConcurrentMap;

/**
 *
 * @author oifa yulian
 */
public class Memory 
{
    private static ConcurrentMap<Partition> partitions = new ConcurrentMap<Partition>();
    
    public static Frame allocate(int size) 
    {
    	Partition currPartition=partitions.get(size);
    	if(currPartition==null)
    	{
    		currPartition=new Partition(size);
    		Partition oldPartition=partitions.putIfAbsent(size,currPartition);
    		if(oldPartition!=null)
    			currPartition=oldPartition;		
    	}
    	
    	return currPartition.allocate();
    }
}