/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.virtual.plugins.cache;
import java.util.Map;
import org.jboss.util.LRUCachePolicy;
import org.jboss.virtual.VFSUtils;
/**
* LRU cache policy vfs cache.
*
* @author <a href="mailto:ales.justin@jboss.com">Ales Justin</a>
*/
public class LRUVFSCache extends CachePolicyVFSCache<LRUCachePolicy>
{
private Integer min;
private Integer max;
public LRUVFSCache()
{
}
public LRUVFSCache(Integer min, Integer max)
{
this.min = min;
this.max = max;
}
public LRUVFSCache(Map<Object, Object> properties)
{
super(properties);
}
protected LRUCachePolicy createCachePolicy()
{
if (min == null)
min = getInteger(readInstanceProperties(VFSUtils.VFS_CACHE_KEY + ".LRUPolicyCaching.min", null, true));
if (max == null)
max = getInteger(readInstanceProperties(VFSUtils.VFS_CACHE_KEY + ".LRUPolicyCaching.max", null, true));
if (min == null || max == null)
throw new IllegalArgumentException("Missing min (" + min + ") or max (" + max + ").");
log.debug("Creating LRU cache policy, min: " + min + ", max: " + max);
return new LRUCachePolicy(min, max);
}
/**
* Set min.
*
* @param min the min
*/
public void setMin(Integer min)
{
this.min = min;
}
/**
* set max.
*
* @param max the max
*/
public void setMax(Integer max)
{
this.max = max;
}
public String toString()
{
return "LRUVFSCache{min=" + min + ", max=" + max + "}";
}
}