/* * $Id$ * * Copyright (C) 2003-2015 JNode.org * * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package org.jnode.system.resource; /** * Type independent resource interface. * <p/> * Every resource in the system is owned by an owner and must be * released after it has been used. * * @author Ewout Prangsma (epr@users.sourceforge.net) */ public interface Resource { /** * Gets the owner of this resource. * * @return The owner */ public ResourceOwner getOwner(); /** * Give up this resource. After this method has been called, the resource * cannot be used anymore. */ public void release(); /** * Gets the parent resource if any. * * @return The parent resource, or null if this resource has no parent. */ public Resource getParent(); }