com.memetix.translate.LRUCache.java Source code

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Here is the source code for com.memetix.translate.LRUCache.java

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/**
*
*   Copyright 2011 Jonathan Griggs
*
*   Licensed under the Apache License, Version 2.0 (the "License");
*   you may not use this file except in compliance with the License.
*   You may obtain a copy of the License at
*
*       http://www.apache.org/licenses/LICENSE-2.0
*
*   Unless required by applicable law or agreed to in writing, software
*   distributed under the License is distributed on an "AS IS" BASIS,
*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*   See the License for the specific language governing permissions and
*   limitations under the License.
**/
package com.memetix.translate;

import java.util.Collections;
import java.util.Map;
import org.apache.commons.collections15.map.LRUMap;

/**
 * LRUCache
 * 
 * This class encapsulates the LRUMap from Apache Commons Collections - Generics (http://sourceforge.net/projects/collections/files/)
 * within a Thread-Safe Wrapper
 * 
 * @author Jonathan Griggs  <jonathan.griggs @ gmail.com>
 * @version     0.1     2011.05.24                              
 * @since       0.1     2011.05.24    
 */
public class LRUCache {
    private Map<Object, Object> map;

    public LRUCache(int maxSize) {
        //Defaults to Scan Until Removable when LRUMap is Full
        map = Collections.synchronizedMap(new LRUMap<Object, Object>(maxSize, true));
    }

    public LRUCache(int maxSize, boolean scanUntilRemovable) {
        map = Collections.synchronizedMap(new LRUMap<Object, Object>(maxSize, scanUntilRemovable));
    }

    public int size() {
        return map.size();
    }

    public void put(Object key, Object value) {
        map.put(key, value);
    }

    public Object get(Object key) {
        return map.get(key);
    }

    public void flush() {
        map.clear();
    }
}