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.resource.spi; import javax.resource.ResourceException; /** The ManagedConnectionMetaData interface provides information about the * underlying EIS instance associated with a ManagedConnection instance. * An application server uses this information to get runtime information * about a connected EIS instance. * * <p>The method ManagedConnection.getMetaData returns a * ManagedConnectionMetaData instance. * * @version 0.8 * @author Rahul Sharma * @see javax.resource.spi.ManagedConnection **/ public interface ManagedConnectionMetaData { /** Returns Product name of the underlying EIS instance connected * through the ManagedConnection. * * @return Product name of the EIS instance. **/ public String getEISProductName() throws ResourceException; /** Returns product version of the underlying EIS instance connected * through the ManagedConnection. * * @return Product version of the EIS instance **/ public String getEISProductVersion() throws ResourceException; /** Returns maximum limit on number of active concurrent connections * that an EIS instance can support across client processes. If an EIS * instance does not know about (or does not have) any such limit, it * returns a 0. * * @return Maximum limit for number of active concurrent connections **/ public int getMaxConnections() throws ResourceException; /** Returns name of the user associated with the ManagedConnection * instance. The name corresponds to the resource principal under whose * whose security context, a connection to the EIS instance has been * established. * * @return name of the user **/ public String getUserName() throws ResourceException; }