/*

  * Copyright 2001-2004 The Apache Software Foundation

  *

  * 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 org.apache.commons.cache;

 import java.io.Serializable;

 /**

  * A simple implementation of {@link CachedObjectInfo}.

  *

  * @version $Id: CachedObjectInfoImpl.java 155435 2005-02-26 13:17:27Z dirkv $

  * @author Rodney Waldhoff

  */

 public class CachedObjectInfoImpl implements CachedObjectInfo {

   protected Serializable _key = null;

   protected Long _expiry = null;

   protected Long _cost = null;

   public CachedObjectInfoImpl(Serializable key, Long expiry, Long cost) {

     _key = key;

     _expiry = expiry;

     _cost = cost;

   }

   public Serializable getKey() {

     return _key;

   }

   public Long getExpirationTs() {

     return _expiry;

   }

   public Long getCost() {

     return _cost;

   }

   public String toString() {

     StringBuffer buf = new StringBuffer();

     buf.append("{ ").append(_key);

     buf.append(", ").append(_expiry);

     buf.append(", ").append(_cost);

     buf.append(" }");

     return buf.toString();

   }

 }