DefaultCacheEngine.java
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- /*
- * Copyright (c)Rafael Steil
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms,
- * with or without modification, are permitted provided
- * that the following conditions are met:
- *
- * 1) Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * 2) Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * 3) Neither the name of "Rafael Steil" nor
- * the names of its contributors may be used to endorse
- * or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- * Created on Feb 1, 2005 7:30:35 PM
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum.cache;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.HashMap;
- import java.util.Map;
- /**
- * @author Rafael Steil
- * @version $Id: DefaultCacheEngine.java,v 1.9 2005/09/25 02:40:28 rafaelsteil Exp $
- */
- public class DefaultCacheEngine implements CacheEngine
- {
- private Map cache = new HashMap();
-
- /**
- * @see net.jforum.cache.CacheEngine#add(java.lang.String, java.lang.Object)
- */
- public void add(String key, Object value)
- {
- this.cache.put(key, value);
- }
-
- /**
- * @see net.jforum.cache.CacheEngine#add(java.lang.String, java.lang.String, java.lang.Object)
- */
- public void add(String fqn, String key, Object value)
- {
- Map m = (Map)this.cache.get(fqn);
- if (m == null) {
- m = new HashMap();
- }
- m.put(key, value);
- this.cache.put(fqn, m);
- }
-
- /**
- * @see net.jforum.cache.CacheEngine#get(java.lang.String, java.lang.String)
- */
- public Object get(String fqn, String key)
- {
- Map m = (Map)this.cache.get(fqn);
- if (m == null) {
- return null;
- }
-
- return m.get(key);
- }
-
- /**
- * @see net.jforum.cache.CacheEngine#get(java.lang.String)
- */
- public Object get(String fqn)
- {
- return this.cache.get(fqn);
- }
-
- /**
- * @see net.jforum.cache.CacheEngine#getValues(java.lang.String)
- */
- public Collection getValues(String fqn)
- {
- Map m = (Map)this.cache.get(fqn);
- if (m == null) {
- return new ArrayList();
- }
-
- return m.values();
- }
-
- /**
- * @see net.jforum.cache.CacheEngine#init()
- */
- public void init()
- {
- this.cache = new HashMap();
- }
-
- /**
- * @see net.jforum.cache.CacheEngine#stop()
- */
- public void stop() {}
-
- /**
- * @see net.jforum.cache.CacheEngine#remove(java.lang.String, java.lang.String)
- */
- public void remove(String fqn, String key)
- {
- Map m = (Map)this.cache.get(fqn);
- if (m != null) {
- m.remove(key);
- }
- }
-
- /**
- * @see net.jforum.cache.CacheEngine#remove(java.lang.String)
- */
- public void remove(String fqn)
- {
- this.cache.remove(fqn);
- }
- }