/** * ================================================ * LibLoader : a free Java resource loading library * ================================================ * * Project Info: http://reporting.pentaho.org/libloader/ * * (C) Copyright 2006, by Pentaho Corporation and Contributors. * * This library is free software; you can redistribute it and/or modify it under the terms * of the GNU Lesser General Public License as published by the Free Software Foundation; * either version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with this * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * * ------------ * $Id: Resource.java 2713 2007-04-01 13:43:18Z taqua $ * ------------ * (C) Copyright 2006, by Pentaho Corporation. */ package org.jfree.resourceloader; import java.io.Serializable; /** * A resource is a wrapper around the final product. It shall not hold any * references to the ResourceData object used to create the resource (to allow * efficient 2-stage caching). * * Although this interfaces declares to be serializable, this might not be the * case for some of the content contained in the resource object. Cache * implementors should be aware of that issue and should act accordingly * (for instance by not caching that object). * * @author Thomas Morgner */ 00047 public interface Resource extends Serializable { public Object getResource () throws ResourceException; public long getVersion(ResourceKey key); /** * The primary source is also included in this set. The dependencies are * given as ResourceKey objects. The keys itself do not hold any state * information. * * The dependencies do not track deep dependencies. So if Resource A depends * on Resource B which depends on Resource C, then A only knows about B, not * C. * * @return */ public ResourceKey[] getDependencies(); public ResourceKey getSource(); }