com.dianping.avatar.cache.CacheKey.java Source code

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Here is the source code for com.dianping.avatar.cache.CacheKey.java

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/**
 * Project: avatar
 * 
 * File Created at 2010-7-14
 * $Id$
 * 
 * Copyright 2010 Dianping.com Corporation Limited.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of
 * Dianping Company. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Dianping.com.
 */
package com.dianping.avatar.cache;

import java.io.Serializable;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.apache.commons.lang.ArrayUtils;

/**
 * Cache key object
 * 
 * @author danson.liu
 * 
 */
public class CacheKey implements Serializable {

    /**
     * Serial Version UID
     */
    private static final long serialVersionUID = -1099870460150967658L;

    /**
     * Item category
     */
    private String category;

    /**
     * Parameters
     */
    private Object[] params;

    /**
     * Constructor
     */
    public CacheKey(String category, Object... params) {
        this.category = category;
        this.params = params;
    }

    public String getCategory() {
        return category;
    }

    /**
     * @return the params
     */
    public Object[] getParams() {
        return params;
    }

    public List<Object> getParamsAsList() {
        if (params == null) {
            return Collections.emptyList();
        }
        return Arrays.asList(params);
    }

    @Override
    public String toString() {
        return "CacheKey[category:" + category + ", indexParams:" + ArrayUtils.toString(params) + "]";
    }

}