LRUHashMap.java

/**
 * Copyright 2015, Yahoo Inc.
 * Licensed under the terms of the Apache License 2.0. Please see LICENSE file in the project root for terms.
 */
package benchmark.common.advertising;

import java.util.LinkedHashMap;
import java.util.Map;

public class LRUHashMap<K, V> extends LinkedHashMap<K, V> {
    private int cacheSize;
    
    public LRUHashMap(int cacheSize) {
        super(16, 0.75f, true);
        this.cacheSize = cacheSize;
    }
    
    protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
        return size() >= cacheSize;
    }
}