/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ /* * ClassLoaderStrategy.java * * Created on August 29, 2003, 3:19 PM */ package com.sun.jdo.api.persistence.model; /** * * @author mvatkina * @version %I% */ public class ClassLoaderStrategy { /** System property key used to define the model behavior concerning * multiple class loaders. * Value should be one of * {@link #MULTIPLE_CLASS_LOADERS_IGNORE}, * {@link #MULTIPLE_CLASS_LOADERS_RELOAD}, or * {@link #MULTIPLE_CLASS_LOADERS_ERROR} */ public static final String PROPERTY_MULTIPLE_CLASS_LOADERS = "com.sun.jdo.api.persistence.model.multipleClassLoaders"; //NOI18N /** Constant representing the value "ignore" of the System property * com.sun.jdo.api.persistence.model.multipleClassLoaders * Setting the system property to "ignore" causes the model to ignore * any new class loader for the same fully qualified class name. * @see RuntimeModel#findClassLoader */ public static final String MULTIPLE_CLASS_LOADERS_IGNORE = "ignore"; //NOI18N /** Constant representing the value "reload" of the System property * com.sun.jdo.api.persistence.model.multipleClassLoaders * Setting the system property to "reload" causes the model to reload * the class mapping if it is specified with a new class loader. * @see RuntimeModel#findClassLoader */ public static final String MULTIPLE_CLASS_LOADERS_RELOAD = "reload"; //NOI18N /** Constant representing the value "error" of the System property * com.sun.jdo.api.persistence.model.multipleClassLoaders * Setting the system property to "reload" causes the model to throw an * exception if the same class is used with a diferent class loader. * @see RuntimeModel#findClassLoader */ public static final String MULTIPLE_CLASS_LOADERS_ERROR = "error"; //NOI18N /** Value of the property used to define the model behavior concerning * multiple class loaders. */ private static String _strategy = System.getProperty( PROPERTY_MULTIPLE_CLASS_LOADERS, MULTIPLE_CLASS_LOADERS_ERROR); /** Get the value of the property * {@link #PROPERTY_MULTIPLE_CLASS_LOADERS} used to define the model * behavior concerning multiple class loaders. * @return the value of the property, one of * {@link #MULTIPLE_CLASS_LOADERS_IGNORE}, * {@link #MULTIPLE_CLASS_LOADERS_RELOAD}, or * {@link #MULTIPLE_CLASS_LOADERS_ERROR} */ public static String getStrategy () { return _strategy; } /** Sets the value of the property * {@link #PROPERTY_MULTIPLE_CLASS_LOADERS} used to define the model * behavior concerning multiple class loaders. * @param strategy the new value of the property. Value should be one of * {@link #MULTIPLE_CLASS_LOADERS_IGNORE}, * {@link #MULTIPLE_CLASS_LOADERS_RELOAD}, or * {@link #MULTIPLE_CLASS_LOADERS_ERROR} * @see RuntimeModel#findClassLoader */ public static void setStrategy (String strategy) { _strategy = strategy; } }