/*
* 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);
}
}