org.apache.xmlgraphics.image.loader.cache.ExpirationPolicy 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.
*/
/* $Id: ExpirationPolicy.java 759150 2009-03-27 14:21:45Z jeremias $ */
package org.apache.xmlgraphics.image.loader.cache;
/**
* Represents an expiration policy for cache entries that have a creation time stamp.
*/
public interface ExpirationPolicy {
/**
* Indicates whether a cache entry is expired given its creation time stamp.
* @param provider the provider for new time stamps
* @param timestamp the creation time stamp (the semantics of
* {@link System#currentTimeMillis()} apply)
* @return true if the entry is to be considered expired, false if not
*/
boolean isExpired(TimeStampProvider provider, long timestamp);
}