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/*
 * Copyright (c) 1997, 2017 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 javax.jms;

/**
 * A {@code ServerSessionPool} object is an object implemented by an application server to provide a pool of
 * {@code ServerSession} objects for processing the messages of a {@code ConnectionConsumer} (optional).
 *
 * 

* Its only method is {@code getServerSession}. The Jakarta Messaging API does not architect how the pool is implemented. It could be * a static pool of {@code ServerSession} objects, or it could use a sophisticated algorithm to dynamically create * {@code ServerSession} objects as needed. * *

* If the {@code ServerSessionPool} is out of {@code ServerSession} objects, the {@code getServerSession} call may * block. If a {@code ConnectionConsumer} is blocked, it cannot deliver new messages until a {@code ServerSession} is * eventually returned. * * @see javax.jms.ServerSession * * @version Jakarta Messaging 2.0 * @since JMS 1.0 */ public interface ServerSessionPool { /** * Return a server session from the pool. * * @return a server session from the pool * * @exception JMSException if an application server fails to return a {@code ServerSession} out of its server session * pool. */ ServerSession getServerSession() throws JMSException; }





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