connectionpool.java

OpenJMS是一个开源的Java Message Service API 1.0.2 规范的实现,它包含有以下特性： *. 它既支持点到点（point-to-point）（PTP）模型和发布/订

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 *    please contact [e-mail].
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 *
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 * Copyright 2003-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: ConnectionPool.java,v 1.5 2005/06/04 14:51:06 tanderson Exp $
 */
package org.exolab.jms.net.connector;

import java.security.Principal;

import org.exolab.jms.net.uri.URI;


/**
 * Manages a pool of {@link ManagedConnection} instances, for a particular
 * {@link ManagedConnectionFactory}.
 *
 * @author <a href="mailto:[e-mail]">Tim Anderson</a>
 * @version $Revision: 1.5 $ $Date: 2005/06/04 14:51:06 $
 */
public interface ConnectionPool {

    /**
     * Creates a new connection.
     *
     * @param principal the security principal
     * @param info      the connection request info
     * @return a new connection
     * @throws ResourceException if a connection cannot be established
     */
    ManagedConnection createManagedConnection(Principal principal,
                                              ConnectionRequestInfo info)
            throws ResourceException;

    /**
     * Creates an acceptor for connections
     *
     * @param authenticator authenticates incoming connections
     * @param info          the connection request info
     * @return a new connection acceptor
     * @throws ResourceException if an acceptor cannot be created
     */
    ManagedConnectionAcceptor createManagedConnectionAcceptor(
            Authenticator authenticator, ConnectionRequestInfo info)
            throws ResourceException;

    /**
     * Returns a matched connection from the set of pooled connections.
     *
     * @param principal the security principal
     * @param info      the connection request info
     * @return the first acceptable match, or <code>null</code> if none is
     *         found
     * @throws ResourceException for any error
     */
    ManagedConnection matchManagedConnections(Principal principal,
                                              ConnectionRequestInfo info)
            throws ResourceException;

    /**
     * Returns a matched acceptor from the set of pooled connections.
     *
     * @param info the connection request info
     * @return the first acceptable match, or <code>null</code> if none is
     *         found
     * @throws ResourceException for any error
     */
    ManagedConnectionAcceptor matchManagedConnectionAcceptors(
            ConnectionRequestInfo info) throws ResourceException;

    /**
     * Returns a listener for handling accepted connections.
     *
     * @return a listener for handling accepted connections
     * @throws ResourceException for any error
     */
    ManagedConnectionAcceptorListener getManagedConnectionAcceptorListener()
            throws ResourceException;

    /**
     * Sets the listener for caller events.
     *
     * @param listener the listener
     */
    void setCallerListener(CallerListener listener);
 
    /**
     * Closes this connection pool, cleaning up any allocated resources.
     *
     * @throws ResourceException for any error
     */
    void close() throws ResourceException;

}