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/*
 * Copyright 2007-2107 the original author or authors.
 *
 * Licensed 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 net.ymate.platform.commons.lang;

import java.io.Serializable;

/**
 * 
 * PairObject
 * 
 * 
 * 结对对象类型；
 * 
 * 
 * @author 刘镇([email protected])
 * @version 0.0.0
 *          
 *          
 *          
 *          
 *          
 *          
 *          
 *          
 *          
 *          
 *          
 *          版本号 动作 修改人 修改时间
0.0.0 创建类 刘镇 2010-4-17上午12:07:42
 */
public class PairObject implements Serializable, Cloneable {

	/**
	 * 
	 */
	private static final long serialVersionUID = -6239279408656130276L;

	/** 对数据中的键 */
	private K key;

	/** 对数据中的值 */
	private V value;

	/**
	 * 构造器
	 */
	public PairObject() {
	}

	/**
	 * 构造器
	 * 
	 * @param key
	 */
	public PairObject(K key) {
		this.key = key;
	}

	/**
	 * 构造器
	 * 
	 * @param key
	 * @param value
	 */
	public PairObject(K key, V value) {
		this.key = key;
		this.value = value;
	}

	public K getKey() {
		return key;
	}

	public void setKey(K key) {
		this.key = key;
	}

	public V getValue() {
		return value;
	}

	public void setValue(V value) {
		this.value = value;
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#clone()
	 */
	@Override
	protected Object clone() throws CloneNotSupportedException {
		return super.clone();
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (obj instanceof PairObject) {
			PairObject _o = (PairObject) obj;
			if (this.getKey().equals(_o.getKey()) && this.getValue().equals(_o.getValue())) {
				return true;
			}
		}
		return false;
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	@Override
	public String toString() {
		return "{" + "key : '" + this.key + "', value : '" + this.value + "'}";
	}

}