/*
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 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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 * 
 * When distributing the software, include this License Header Notice in each
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 * as provided by Sun in the GPL Version 2 section of the License file that
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 * Header, with the fields enclosed by brackets [] replaced by your own
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/*
 * Copyright 2004-2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

 package com.sun.jts.jta;
 
 import javax.transaction.xa.*;

 /**
  * This interface extends JTA XAResource interface and defines
  * new methods for thread association support and resource
  * initialization.
  */

public interface NativeXAResource extends XAResource {

    // added functionality for thread management

    /**
     *  Opens the RM for the calling thread (xa_open).
     */
     public void open() throws XAException;

    /**
     *  Closes the RM for the calling thread (xa_close).
     */
    public void close() throws XAException;

    /**
     * checks if the thread has opened (xa_open) the RM atleast once.
     *
     * @param thread the thread to be checked for resource initialization.
     *
     * @return true if the thread has opened the resource (RM) atleast once.
     */
    public boolean isInitialized(Thread thread);

    /**
     * enlist the JDBC connection in XA (needed to support MSSQLServer)
     * this should be called once per connection per transaction
     */
    public void enlistConnectionInXA();
}