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/*
 *    Copyright 2017-2023 the original author or authors.
 *
 *    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.alilitech.mybatis.jpa.util;

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

/**
 * @author Zhou Xiaoxiang
 * @since 2.2
 */
public class LRUCache extends LinkedHashMap {
    private static final long serialVersionUID = 1L;
    protected int maxElements;

    public LRUCache(int maxSize) {
        super(maxSize, 0.75F, true);
        this.maxElements = maxSize;
    }

    @Override
    protected boolean removeEldestEntry(Map.Entry eldest) {
        return (size() > this.maxElements);
    }
}