com.exactpro.sf.util.LRUMap Maven / Gradle / Ivy
/******************************************************************************
* Copyright 2009-2018 Exactpro (Exactpro Systems Limited)
*
* 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.exactpro.sf.util;
import java.util.LinkedHashMap;
import java.util.Map;
public class LRUMap extends LinkedHashMap {
private static final long serialVersionUID = -8659090900298278542L;
private final int maxSize;
public LRUMap(int maxSize) {
this.maxSize = maxSize;
}
public LRUMap(int maxSize, int initialCapacity, float loadFactor, boolean accessOrder) {
super(initialCapacity, loadFactor, accessOrder);
this.maxSize = maxSize;
}
public LRUMap(int maxSize, int initialCapacity, float loadFactor) {
super(initialCapacity, loadFactor);
this.maxSize = maxSize;
}
public LRUMap(int maxSize, int initialCapacity) {
super(initialCapacity);
this.maxSize = maxSize;
}
public LRUMap(int maxSize, Map m) {
super(m);
this.maxSize = maxSize;
}
@Override
protected boolean removeEldestEntry(Map.Entry eldest) {
return size() > maxSize;
}
}