1 /* 2 * Copyright 2001-2004 The Apache Software Foundation 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.apache.commons.cache; 17 18 import java.io.Serializable; 19 20 /** 21 * An abstract base implementation of {@link StashPolicy}, 22 * declaring the non-serialized version of 23 * {@link #shouldStore <tt>shouldStore</tt>} to invoke the 24 * serialized one, and {@link #wantsSerializedForm <tt>wantsSerializedForm</tt>} to 25 * return <tt>false</tt>. 26 * 27 * @version $Id: BaseStashPolicy.java 155435 2005-02-26 13:17:27Z dirkv $ 28 * @author Rodney Waldhoff 29 */ 30 public abstract class BaseStashPolicy implements StashPolicy { 31 public abstract boolean shouldStore(Serializable key, Serializable val, Long expiresAt, Long cost, byte[] serialized); 32 public abstract void setCache(Cache c); 33 public abstract void unsetCache(); 34 35 /** Equivalent to {@link #shouldStore(java.io.Serializable,java.io.Serializable,java.lang.Long,java.lang.Long,byte[]) <tt>canStore(<i>key</i>,<i>val</i>,<i>expiresAt</i>,<i>cost</i>,null)</tt>)}. */ 36 public boolean shouldStore(Serializable key, Serializable val, Long expiresAt, Long cost) { 37 return shouldStore(key,val,expiresAt,cost,null); 38 } 39 40 /** 41 * Returns <tt>false</tt>. 42 * @return <tt>false</tt>. 43 */ 44 public boolean wantsSerializedForm() { 45 return false; 46 } 47 48 }