Java tutorial
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2018 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://oss.oracle.com/licenses/CDDL+GPL-1.1 * or 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 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. */ package javax.ejb; /** * The EJBMetaData interface allows a client to obtain the enterprise bean's * meta-data information. * * <p> The meta-data is intended for development tools used for * building applications that use deployed enterprise beans, and for clients * using a scripting language to access the enterprise bean. * * <p> Note that the EJBMetaData is not a remote interface. The class that * implements this interface (this class is typically generated by container * tools) must be serializable, and must be a valid RMI/IDL value type. * * @since EJB 1.0 */ public interface EJBMetaData { /** * Obtain the remote home interface of the enterprise bean. * * @return the remote home interface of the enterprise bean. */ EJBHome getEJBHome(); /** * Obtain the class object for the enterprise bean's remote home interface. * @return the class object for the enterprise bean's remote home interface. */ Class getHomeInterfaceClass(); /** * Obtain the class object for the enterprise bean's remote interface. * * @return the class object for the enterprise bean's remote interface. */ Class getRemoteInterfaceClass(); /** * Obtain the class object for the enterprise bean's primary key class. * * @return the class object for the enterprise bean's primary key class. */ Class getPrimaryKeyClass(); /** * Test if the enterprise bean's type is "session". * * @return True if the type of the enterprise bean is session bean. */ boolean isSession(); /** * Test if the enterprise bean's type is "stateless session". * * @return True if the type of the enterprise Bean is stateless * session. * * @since EJB 1.1 */ boolean isStatelessSession(); }