datasetproductiontimeskey.java

cewolf是个一个自动报表程序

/* ================================================================
 * Cewolf : Chart enabling Web Objects Framework
 * ================================================================
 *
 * Project Info:  http://cewolf.sourceforge.net
 * Project Lead:  Guido Laures ([e-mail]);
 *
 * (C) Copyright 2002, by Guido Laures
 *
 * This library 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 library 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
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package de.laures.cewolf.taglib.util;

import java.io.Serializable;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * @author glaures
 */
class DatasetProductionTimesKey implements Serializable {
	
    private static final Log log = LogFactory.getLog(DatasetProductionTimesKey.class);

	private final transient int key;
	
	public DatasetProductionTimesKey(String producerId, Map params){
		key = KeyGenerator.generateKey(this);
		log.debug("data key is " + key + " producerId=" + producerId);
	}
	
	public int getKey(){
		return key;
	}
	
	public String toString() {
		return String.valueOf(key);
	}
	
	public int hashCode() {
		return key;
	}
	
	public boolean equals(Object o) {
		if (this == o) {
			return true;
		}
		if (o instanceof DatasetProductionTimesKey) {
			return key == ((DatasetProductionTimesKey) o).getKey();
		}
		return false;
	}
}