/* * Copyright (c) 2010, the Last.fm Java Project and Committers * All rights reserved. * * Redistribution and use of this software in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package de.umass.lastfm.cache; import java.util.Map; /** * The <code>ExpirationPolicy</code> decides if and how long a request should be cached. * * @author Janni Kovacs */ public interface ExpirationPolicy { /** * Returns the time in milliseconds a request of the given method should be cached. Returns -1 if this * method should not be cached. * * @param method The method called * @param params The parameters sent * @return the time the request should be cached in milliseconds */ public long getExpirationTime(String method, Map<String, String> params); }