001 /* 002 * Copyright 2001-2004 The Apache Software Foundation 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.apache.commons.cache; 017 018 import java.io.Serializable; 019 020 /** 021 * tk. 022 * @version $Id: Stash.java 155435 2005-02-26 13:17:27Z dirkv $ 023 * @author Rodney Waldhoff 024 */ 025 public interface Stash extends Serializable { 026 public static final int YES = 1; 027 public static final int NO_FULL = 2; 028 public static final int NO_NOT_STORABLE = 3; 029 public static final int NO = 4; 030 031 public int canStore(Serializable key, Serializable val, Long expiresAt, Long cost, Serializable group); 032 public int canStore(Serializable key, Serializable val, Long expiresAt, Long cost, Serializable group, byte[] serialized); 033 public boolean store(Serializable key, Serializable val, Long expiresAt, Long cost, Serializable group); 034 public boolean store(Serializable key, Serializable val, Long expiresAt, Long cost, Serializable group, byte[] serialized); 035 public Serializable retrieve(Serializable key); 036 public boolean contains(Serializable key); 037 public void clear(Serializable key); 038 public void clear(); 039 public float capacity(); 040 041 042 public void setCache(Cache c); 043 public void unsetCache(); 044 public boolean wantsSerializedForm(); 045 }