/* * %W% %E% * * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program 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 * General Public License version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. */ package com.sun.jump.module.contentstore; import java.io.IOException; /** * JUMPStoreHandle is a handle to perform operations on * a JUMPStore. Instances of handles are acquired by calling * JUMPContentStore.openStore() method. */ public class JUMPStoreHandle { private boolean exclusive; private JUMPStore store; /** * Creates a new instance of JUMPStoreHandle */ JUMPStoreHandle(JUMPStore store, boolean exclusive) { this.exclusive = exclusive; this.store = store; } public boolean isExclusive() { return this.exclusive; } public boolean isReadOnly() { return !this.exclusive; } /** * See {@link JUMPStore#createDataNode(String, JUMPData)}. This method * would throw a runtime exception if it is called on a non-exclusive * handle. * * * @exception IOException if the underlying JUMPStore.createDataNode(String, JUMPData) causes IOException * @exception JUMPStoreRuntimeException if the handle is in non-executive mode. */ public void createDataNode(String uri, JUMPData data) throws IOException { if (isExclusive()) this.store.createDataNode(uri, data); else throw new JUMPStoreRuntimeException("Access Denied"); } /** * See {@link JUMPStore#createNode(String)}. This method * would throw a runtime exception if it is called on a non-exclusive * handle. * * @exception IOException if the underlying JUMPStore.createNode(String) causes IOException * @exception JUMPStoreRuntimeException if the handle is in non-executive mode. */ public void createNode(String uri) throws IOException { if (isExclusive()) this.store.createNode(uri); else throw new JUMPStoreRuntimeException("Access Denied"); } /** * See {@link JUMPStore#getNode(String)}. * * @exception IOException if the underlying JUMPStore.getNode(String) causes IOException */ public JUMPNode getNode(String uri) throws IOException { return this.store.getNode(uri); } /** * See {@link JUMPStore#deleteNode(String)}. This method * would throw a runtime exception if it is called on a non-exclusive * handle. * * @exception IOException if the underlying JUMPStore.deleteNode(String) causes IOException * @exception JUMPStoreRuntimeException if the handle is in non-executive mode. */ public void deleteNode(String uri) throws IOException { if (isExclusive()) this.store.deleteNode(uri); else throw new JUMPStoreRuntimeException("Access Denied"); } /** * See {@link JUMPStore#updateDataNode(String, JUMPData)}. This method * would throw a runtime exception if it is called on a non-exclusive * handle. * * @exception IOException if the underlying JUMPStore.updateDataNode(String, JUMPData) causes IOException * @exception JUMPStoreRuntimeException if the handle is in non-executive mode. */ public void updateDataNode(String uri, JUMPData data) throws IOException { if (isExclusive()) this.store.updateDataNode(uri, data); else throw new JUMPStoreRuntimeException("Access Denied"); } }
