| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.opencmis.client.provider.cache.impl; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /** |
| * LRU cache. |
| * |
| * @author <a href="mailto:fmueller@opentext.com">Florian Müller</a> |
| * |
| */ |
| public class LruCacheLevelImpl extends AbstractMapCacheLevel { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public final static String MAX_ENTRIES = "maxEntries"; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.opencmis.client.provider.cache.CacheLevel#initialize(java.util.Map) |
| */ |
| public void initialize(Map<String, String> parameters) { |
| final int maxEntries = getIntParameter(parameters, MAX_ENTRIES, 100); |
| |
| setMap(new LinkedHashMap<String, Object>(maxEntries + 1, 0.70f, true) { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public boolean removeEldestEntry(Map.Entry<String, Object> eldest) { |
| return size() > maxEntries; |
| } |
| }); |
| } |
| } |