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JDBC Driver for the Firebird RDBMS
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/*
 * Firebird Open Source J2ee connector - jdbc driver, public Firebird-specific 
 * JDBC extensions.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *    1. Redistributions of source code must retain the above copyright notice, 
 *       this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in the 
 *       documentation and/or other materials provided with the distribution. 
 *    3. The name of the author may not be used to endorse or promote products 
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.firebirdsql.jca;

import javax.resource.ResourceException;
import javax.resource.spi.LocalTransaction;
import javax.transaction.xa.Xid;


/**
 * Extention of the {@link javax.resource.spi.LocalTransaction} interface
 * to tell whether the underlying managed connection is currently participating
 * in some transaction or not and to obtain the associated Xid.
 */
public interface FirebirdLocalTransaction extends LocalTransaction {

    /**
     * Check if managed connection is currently participating in transaction.
     * 
     * @return true if managed connection is participating in
     * transaction.
     * 
     * @throws ResourceException if operation cannot be completed.
     */
    boolean inTransaction() throws ResourceException;
    
    /**
     * Get the associated Xid.
     * 
     * @return instance of {@link Xid} representing a transaction ID that is
     * managed by this local transaction.
     */
    Xid getXid();
}