opennlp.tools.util.Cache Maven / Gradle / Ivy
/*
* 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 opennlp.tools.util;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Provides fixed size, pre-allocated, least recently used replacement cache.
*/
public class Cache extends LinkedHashMap {
private static final long serialVersionUID = 3037039043085908062L;
private final int capacity;
public Cache(final int capacity) {
this.capacity = capacity;
}
@Override
protected boolean removeEldestEntry(Map.Entry eldest) {
return this.size() > this.capacity;
}
}