/*
* @(#) JTAServerTransactionInterceptor
*
* JOTM: Java Open Transaction Manager
*
* This module was originally developed by
* - INRIA inside the ObjectWeb Consortium(http://www.objectweb.org)
*
* The original code and portions created by INRIA are
* Copyright (C) 2002 - INRIA (www.inria.fr)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* -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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR 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.
*
* --------------------------------------------------------------------------
* $Id: JTAServerTransactionInterceptor.java,v 1.9 2005/02/24 04:34:56 tonyortiz Exp $
* --------------------------------------------------------------------------
*/
package org.objectweb.jotm.jta.rmi;
// java import
import java.io.IOException;
import org.objectweb.carol.rmi.jrmp.interceptor.JServerRequestInfo;
import org.objectweb.carol.rmi.jrmp.interceptor.JServerRequestInterceptor;
import org.objectweb.jotm.Current;
import org.objectweb.jotm.TransactionContext;
/**
* Class <code>JTAServerTransactionInterceptor</code> is a JRMP Transaction server interceptor for
* Transaction Context propagation
*
* @author Guillaume Riviere (Guillaume.Riviere@inrialpes.fr)
*
*/
public class JTAServerTransactionInterceptor
implements JServerRequestInterceptor {
// Commented out all the tracing in this module, generated
// warnings when integrated with JONAS at JONAS START.
// Need to resolve whenever JONAS uses log4j.
// private static Log log =
// LogFactory.getLog("org.objectweb.jotm.jta.rmi.server");
/**
* transaction context id
*/
public static int TX_CTX_ID = 0;
/**
* current object
*/
private static Current current = null;
/**
* interceptor name
*/
private static String interceptorName = "JTAServerTransactionInterceptor";
/**
* constructor
*/
public JTAServerTransactionInterceptor() {
// log.trace("default constructor");
}
/**
* Receive request
* @param jri JServerRequestInfo the jrmp server request information
* @exception IOException if an exception occur with the ObjectOutput
*/
public void receive_request(JServerRequestInfo jri) throws IOException {
// log.trace("--> receive request");
if (current == null)
current = Current.getCurrent();
if (current != null) {
JTATransactionServiceContext jtasc =
(JTATransactionServiceContext) jri.get_request_service_context(
TX_CTX_ID);
if (jtasc != null) {
// put into the the Current object (true for client side context
current.setPropagationContext(
jtasc.getTransactionContext(),
false);
}
}
}
/**
* send reply with context
* @param jri JServerRequestInfo the jrmp server request information
* @exception IOException if an exception occur with the ObjectOutput
*/
public void send_reply(JServerRequestInfo jri) throws IOException {
if (current == null)
current = Current.getCurrent();
if (current != null) {
// get the Transaction Context (null if there is no transaction)
TransactionContext txCtx = current.getPropagationContext(false);
if (txCtx != null) {
JTATransactionServiceContext jtasc =
new JTATransactionServiceContext();
jtasc.setContext(txCtx, true);
jri.add_reply_service_context(jtasc);
current.setPropagationContext(null, false);
}
}
// log.trace("<-- sent reply");
}
/**
* get the name of this interceptor
* @return name
*/
public String name() {
return interceptorName;
}
public void send_exception(JServerRequestInfo jri) throws IOException {
if (current == null)
current = Current.getCurrent();
if (current != null) {
// get the Transaction Context (null if there is no transaction)
TransactionContext txCtx = current.getPropagationContext(false);
if (txCtx != null) {
JTATransactionServiceContext jtasc =
new JTATransactionServiceContext();
jtasc.setContext(txCtx, true);
jri.add_reply_service_context(jtasc);
current.setPropagationContext(null, false);
}
}
// log.trace("<-- sent exception");
}
public void send_other(JServerRequestInfo jri) throws IOException {
if (current == null)
current = Current.getCurrent();
if (current != null) {
// get the Transaction Context (null if there is no transaction)
TransactionContext txCtx = current.getPropagationContext(false);
if (txCtx != null) {
JTATransactionServiceContext jtasc =
new JTATransactionServiceContext();
jtasc.setContext(txCtx, true);
jri.add_reply_service_context(jtasc);
current.setPropagationContext(null, false);
}
}
// log.trace("<-- sent other");
}
}
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