jakarta.resource.spi.ManagedConnectionMetaData Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.resource.spi;
import jakarta.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.
*
* The method ManagedConnection.getMetaData returns a
* ManagedConnectionMetaData instance.
*
* @version 0.8
* @author Rahul Sharma
* @see jakarta.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;
}