/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.jacorb.tm;
import javax.transaction.Transaction;
import org.jboss.as.jacorb.JacORBLogger;
import org.jboss.as.jacorb.JacORBMessages;
import org.omg.CORBA.Any;
import org.omg.CORBA.BAD_PARAM;
import org.omg.CORBA.LocalObject;
import org.omg.CORBA.TCKind;
import org.omg.CosTransactions.PropagationContextHelper;
import org.omg.IOP.Codec;
import org.omg.IOP.CodecPackage.FormatMismatch;
import org.omg.IOP.CodecPackage.TypeMismatch;
import org.omg.IOP.ServiceContext;
import org.omg.PortableInterceptor.InvalidSlot;
import org.omg.PortableInterceptor.ServerRequestInfo;
import org.omg.PortableInterceptor.ServerRequestInterceptor;
/**
* This implementation of
* <code>org.omg.PortableInterceptor.ServerRequestInterceptor</code>
* retrieves the transactional context from incoming IIOP requests and
* makes it available to the servant methods that handle the requests,
* through the static method <code>getCurrentTransaction</code).
*
* In practice this is only used to throw an exception when importing transactions from
* a 3rd party application server, as required by the spec.
*
* @author <a href="mailto:reverbel@ime.usp.br">Francisco Reverbel</a>
*/
@SuppressWarnings("unused")
public class TxServerInterceptor extends LocalObject implements ServerRequestInterceptor {
static final long serialVersionUID = 7474707114565659371L;
private static final int txContextId = org.omg.IOP.TransactionService.value;
private static int slotId;
private static Codec codec;
private static org.omg.PortableInterceptor.Current piCurrent = null;
/**
* Called by <code>TxServerInterceptorInitializer</code> at ORB initialization time.
*/
static void init(int slotId, Codec codec, org.omg.PortableInterceptor.Current piCurrent) {
TxServerInterceptor.slotId = slotId;
TxServerInterceptor.codec = codec;
TxServerInterceptor.piCurrent = piCurrent;
}
/**
* Returns the transaction associated with the transaction propagation
* context that arrived in the current IIOP request.
*/
public static Transaction getCurrentTransaction() {
Transaction tx = null;
if (piCurrent != null) {
// A non-null piCurrent means that a TxServerInterceptor was
// installed: check if there is a transaction propagation context
try {
Any any = piCurrent.get_slot(slotId);
if (any.type().kind().value() != TCKind._tk_null) {
// Yes, there is a TPC: add the foreign transaction marker
tx = ForeignTransaction.INSTANCE;
}
} catch (InvalidSlot e) {
throw JacORBMessages.MESSAGES.errorGettingSlotInTxInterceptor(e);
}
}
return tx;
}
public String name() {
return "TxServerInterceptor";
}
public void destroy() {
// do nothing
}
public void receive_request_service_contexts(ServerRequestInfo ri) {
JacORBLogger.ROOT_LOGGER.traceReceiveRequestServiceContexts(ri.operation());
try {
ServiceContext sc = ri.get_request_service_context(txContextId);
Any any = codec.decode_value(sc.context_data, PropagationContextHelper.type());
ri.set_slot(slotId, any);
} catch (BAD_PARAM e) {
// no service context with txContextId: do nothing
} catch (FormatMismatch e) {
throw JacORBMessages.MESSAGES.errorDecodingContextData(this.name(), e);
} catch (TypeMismatch e) {
throw JacORBMessages.MESSAGES.errorDecodingContextData(this.name(), e);
} catch (InvalidSlot e) {
throw JacORBMessages.MESSAGES.errorSettingSlotInTxInterceptor(e);
}
}
public void receive_request(ServerRequestInfo ri) {
// do nothing
}
public void send_reply(ServerRequestInfo ri) {
// do nothing
}
public void send_exception(ServerRequestInfo ri) {
// do nothing
}
public void send_other(ServerRequestInfo ri) {
// do nothing
}
}