txconnection.java

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 *
 * 5. Due credit should be given to the Exolab Project
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 *
 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
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 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
 *
 * $Id: TxConnection.java,v 1.2 2002/04/21 03:03:46 mark_matthews Exp $
 */


package com.mysql.jdbc.xa;


import java.sql.Connection;
import javax.transaction.xa.Xid;


/**
 * Describes an open connection associated with a transaction. When a
 * transaction is opened for a connection, this record is created for
 * the connection. It indicates the underlying JDBC connection and
 * transaction Xid. Multiple XA connection that fall under the same
 * transaction Xid will share the same TxConnection object.
 *
 *
 * @author <a href="[e-mail]">Assaf Arkin</a>
 * @version 1.0
 * @see Xid
 * @see XAConnectionImpl
 */
final class TxConnection
{
    
    
    /**
     * The Xid of the transactions. Connections that are not
     * associated with a transaction are not represented here.
     */
    Xid                        xid;
    
    
    /**
     * Holds the underlying JDBC connection for as long as this
     * connection is useable. If the connection has been rolled back,
     * timed out or had any other error, this variable will null
     * and the connection is considered failed.
     */
    Connection                 conn;
    
    

    /**
     * Indicates the clock time (in ms) when the transaction should
     * time out. The transaction times out when
     * <tt>System.currentTimeMillis() > timeout</tt>.
     */ 
    long                       timeout;


    /**
     * Indicates the clock time (in ms) when the transaction started.
     */ 
    long                       started;
    
    
    /**
     * Reference counter indicates how many XA connections share this
     * underlying connection and transaction. Always one or more.
     */
    int                        count;
    
    
    /**
     * True if the transaction has failed due to time out.
     */
    boolean                   timedOut;


    /**
     * True if the transaction has already been prepared.
     */
    boolean                   prepared;


    /**
     * True if the transaction has been prepared and found out to be
     * read-only. Read-only transactions do not require commit/rollback.
     */
    boolean                   readOnly;
    
    /**
     * The user name for the underlying connection. 
     * Can be null.
     */
    String                      userName;


    /**
     * The password for the underlying connection.
     * Can be null.
     */
     String                      password;

     public TxConnection(String uName, String pWord)
     {
		userName = uName;
		password = pWord;
     }

}