EntityCounter.java

/**********************************************************************************
 * $URL: https://source.sakaiproject.org/svn/content/trunk/content-tool/tool/src/java/org/sakaiproject/content/tool/EntityCounter.java $
 * $Id: EntityCounter.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
 ***********************************************************************************
 *
 * Copyright (c) 2007, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.content.tool;

import java.util.HashMap;
import java.util.Map;

/**
 * EntityCounter
 *
 */
public class EntityCounter
{
	protected Map<String, Integer> values = new HashMap<String, Integer>();
	public void decrement(String key)
	{
		Integer val = values.get(key);
		if(val == null)
		{
			values.put(key, Integer.valueOf(-1));
		}
		else
		{
			values.put(key, Integer.valueOf(val.intValue() - 1));
		}
	}
	
	public int getValue(String key)
	{
		Integer val = values.get(key);
		if(val == null)
		{
			val = Integer.valueOf(0);
		}
		return val.intValue();
	}
	
	public void increment(String key)
	{
		Integer val = values.get(key);
		if(val == null)
		{
			values.put(key, Integer.valueOf(1));
		}
		else
		{
			values.put(key, Integer.valueOf(val.intValue() + 1));
		}
	}
}