/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* TheatreServiceBA.java
*
* Copyright (c) 2004 Arjuna Technologies Ltd.
*
* $Id: TheatreServiceBA.java,v 1.5 2004/12/01 16:27:21 kconner Exp $
*
*/
package com.jboss.jbosstm.xts.demo.services.theatre;
import com.arjuna.ats.arjuna.common.Uid;
import com.arjuna.mw.wst11.BusinessActivityManagerFactory;
import com.arjuna.mw.wst11.BusinessActivityManager;
import com.arjuna.wst11.BAParticipantManager;
import com.arjuna.wst.SystemException;
import com.jboss.jbosstm.xts.demo.theatre.ITheatreServiceBA;
import javax.jws.*;
import javax.jws.soap.SOAPBinding;
/**
* An adapter class that exposes the TheatreManager business API as a
* transactional Web Service. Also logs events to a TheatreView object.
*
* @author Jonathan Halliday (jonathan.halliday@arjuna.com)
* @version $Revision: 1.5 $
*/
@WebService(serviceName="TheatreServiceBAService", portName="TheatreServiceBA",
name = "ITheatreServiceBA", targetNamespace = "http://www.jboss.com/jbosstm/xts/demo/Theatre",
wsdlLocation = "/WEB-INF/wsdl/TheatreServiceBA.wsdl")
@SOAPBinding(style=SOAPBinding.Style.RPC)
@HandlerChain(file = "../context-handlers.xml", name = "Context Handlers")
public class TheatreServiceBA implements ITheatreServiceBA
{
/**
* Book a number of seats in the Theatre
* Enrols a Participant if necessary, then passes
* the call through to the business logic.
*
* @param how_many The number of seats to book.
* @param which_area The area of the theatre to book seats in.
* @return true on success, false otherwise.
*/
@WebMethod
@WebResult(name = "bookSeatsBAResponse", partName = "bookSeatsBAResponse")
public boolean bookSeats(
@WebParam(name = "how_many", partName = "how_many")
int how_many,
@WebParam(name = "which_area", partName = "which_area")
int which_area)
{
TheatreView theatreView = TheatreView.getSingletonInstance();
TheatreManager theatreManager = TheatreManager.getSingletonInstance();
BusinessActivityManager activityManager = BusinessActivityManagerFactory.businessActivityManager();
// get the transaction context of this thread:
String transactionId = null;
try
{
transactionId = activityManager.currentTransaction().toString();
}
catch (SystemException e)
{
System.err.println("bookSeats: unable to obtain a transaction context!");
e.printStackTrace(System.err);
return false;
}
System.out.println("TheatreServiceBA transaction id =" + transactionId);
theatreView.addMessage("******************************");
theatreView.addPrepareMessage("id:" + transactionId + ". Received a theatre booking request for " + how_many + " seats in area " + which_area);
theatreView.updateFields();
theatreManager.bookSeats(transactionId, how_many, which_area);
if (theatreManager.prepareSeats(transactionId))
{
theatreView.addMessage("id:" + transactionId + ". Seats prepared, trying to commit and enlist compensation Participant");
theatreView.updateFields();
TheatreParticipantBA theatreParticipant = new TheatreParticipantBA(transactionId, how_many, which_area);
// enlist the Participant for this service:
BAParticipantManager participantManager = null;
try
{
participantManager = activityManager.enlistForBusinessAgreementWithParticipantCompletion(theatreParticipant, "org.jboss.jbossts.xts-demo:restaurantBA:" + new Uid().toString());
}
catch (Exception e)
{
theatreView.addMessage("id:" + transactionId + ". Participant enrolement failed");
theatreManager.cancelSeats(transactionId);
System.err.println("bookSeats: Participant enrolement failed");
e.printStackTrace(System.err);
return false;
}
// finish the booking in the backend ensuring it is compensatable:
theatreManager.commitSeats(transactionId, true);
try
{
participantManager.completed();
}
catch (Exception e)
{
System.err.println("bookSeats: 'completed' callback failed");
theatreManager.cancelSeats(transactionId);
e.printStackTrace(System.err);
return false;
}
}
else
{
theatreView.addMessage("id:" + transactionId + ". Failed to reserve seats. Cancelling.");
theatreManager.cancelSeats(transactionId);
theatreView.updateFields();
return false;
}
theatreView.addMessage("Request complete\n");
theatreView.updateFields();
return true;
}
}