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/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 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 "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Exoffice Technologies. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Exoffice Technologies. Exolab is a registered
* trademark of Exoffice Technologies.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED 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
* EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS 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.
*
* Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
*
* $Id: TxConnection.java,v 1.3 2001/11/19 22:33:39 momjian Exp $
*/
package org.postgresql.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="arkin@exoffice.com">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;
}
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