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A Java library for the Facebook Graph API

There is a newer version: 2.4.13

/*
 * Copyright 2012 Ryuji Yamashita
 *
 * 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 facebook4j.internal.util;

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

public final class z_F4JLRUCache {

    private final Map cacheMap;

    public z_F4JLRUCache(final int maxSize) {

        // true = use access order instead of insertion order.
        this.cacheMap = new LinkedHashMap(maxSize, 0.75f, true) {
            @Override
            protected boolean removeEldestEntry(Map.Entry eldest) {
                return size() > maxSize;
            }
        };
    }

    public synchronized void put(K key, V elem) {
        cacheMap.put(key, elem);
    }

    public synchronized V get(K key) {
        return cacheMap.get(key);
    }
}