2 * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
5 * Licensed under the Apache License, Version 2.0 (the "License"); you may
6 * not use this file except in compliance with the License. You may obtain
7 * a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14 * License for the specific language governing permissions and limitations
18 package org.openflow.util;
20 import java.util.LinkedHashMap;
22 public class LRULinkedHashMap<K, V> extends LinkedHashMap<K, V> {
23 private static final long serialVersionUID = -2964986094089626647L;
24 protected int maximumCapacity;
26 public LRULinkedHashMap(int initialCapacity, int maximumCapacity) {
27 super(initialCapacity, 0.75f, true);
28 this.maximumCapacity = maximumCapacity;
31 public LRULinkedHashMap(int maximumCapacity) {
32 super(16, 0.75f, true);
33 this.maximumCapacity = maximumCapacity;
37 protected boolean removeEldestEntry(java.util.Map.Entry<K, V> eldest) {
38 if (this.size() > maximumCapacity)