org.objectweb.jotm.ots.OTSServerTransactionInterceptor Maven / Gradle / Ivy
/*
* @(#) OTSServerTransactionInterceptor.java 1.0 02/07/15
*
* 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: OTSServerTransactionInterceptor.java 1085 2009-12-14 15:32:09Z durieuxp $
* --------------------------------------------------------------------------
*/
package org.objectweb.jotm.ots;
// java import
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.omg.IOP.ServiceContext;
import org.omg.PortableInterceptor.ForwardRequest;
import org.omg.PortableInterceptor.ORBInitInfo;
import org.omg.PortableInterceptor.ServerRequestInfo;
import org.omg.PortableInterceptor.ServerRequestInterceptor;
import org.objectweb.jotm.Current;
import org.objectweb.jotm.InternalTransactionContext;
import org.objectweb.jotm.TransactionContext;
/**
* Class OTSServerTransactionInterceptor is a Server Interceptor for OTS Java Server
* of JOTM. This Interceptor translate the Standart OTS Propagation Context to a Internal JOTM
* Transaction context
*
* @author Guillaume Riviere ([email protected])
* @version 1.0, 13/09/2002
*/
public class OTSServerTransactionInterceptor extends OTSInterceptor implements ServerRequestInterceptor {
/**
* current object
*/
private static Current current = null;
/**
* Transaction context
*/
private Map contexts = Collections.synchronizedMap(new HashMap());
// private TransactionContext txCtx = null;
/**
* interceptor name
*/
private String interceptorName = "OTSServerTransactionInteceptor";
/**
* constructor
*/
public OTSServerTransactionInterceptor(ORBInitInfo info) {
super(info);
}
/**
* get the name of this interceptor
* @return name
*/
public String name() {
return interceptorName;
}
/**
* Receive request context
* @param jri JServerRequestInfo the server request information
* @exception IOException if an exception occur with the ObjectOutput
*/
public void receive_request_service_contexts(ServerRequestInfo jri) throws ForwardRequest {
try {
TransactionContext txCtx = decodeCorbaPropagationContext(jri.get_request_service_context(TX_CTX_ID)) ;
if ( txCtx != null ) {
Object key = new Integer(jri.request_id());
contexts.put (key, txCtx);
}
} catch (org.omg.CORBA.BAD_PARAM b) {
// else we do nothing -> no transaction context for this call
} catch (Exception e) {
throw new ForwardRequest();
}
}
/**
* Receive request
* @param jri JServerRequestInfo the server request information
* @exception IOException if an exception occur with the ObjectOutput
*/
public void receive_request(ServerRequestInfo jri) throws ForwardRequest {
if (current == null) {
current = Current.getCurrent();
}
if (current != null) {
Object key = new Integer(jri.request_id());
InternalTransactionContext txCtx = (InternalTransactionContext) contexts.remove(key);
// put into the the Current object (false for the server side context)
current.setPropagationContext(txCtx, false);
}
}
/**
* send reply with context
* @param jri JServerRequestInfo the server request information
* @exception IOException if an exception occur with the ObjectOutput
*/
public void send_reply(ServerRequestInfo jri) {
if (current == null) {
current = Current.getCurrent();
}
if (current != null) {
try {
// get the Transaction Context (null if there is no transaction)
TransactionContext txCtx = current.getPropagationContext(false);
ServiceContext pContext = null ;
if (txCtx != null) {
// get the TransactionContext and build the Corba PropagtionContext
pContext = buildCorbaPropagationContext(txCtx);
jri.add_reply_service_context(pContext, true);
current.setPropagationContext(null, false);
} else {
// if no active global transaction, the container does not include a tx context
// in the request message
}
} catch (Exception e) {
}
}
}
public void send_exception(ServerRequestInfo jri) throws ForwardRequest {
if (current == null) {
current = Current.getCurrent();
}
if (current != null) {
try {
// get the Transaction Context (null if there is no transaction)
TransactionContext txCtx = current.getPropagationContext(false);
ServiceContext pContext = null ;
if (txCtx != null) {
// get the TransactionContext and build the Corba PropagtionContext
pContext = buildCorbaPropagationContext(txCtx);
jri.add_reply_service_context(pContext, true);
current.setPropagationContext(null, false);
} else {
// if no active global transaction, the container does not include a tx context
// in the request message
}
} catch (Exception e) {
}
}
}
public void send_other(ServerRequestInfo jri) throws ForwardRequest {
}
public void destroy() {
}
}
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