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* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.as.quickstarts.wsat.simple;
import com.arjuna.mw.wst11.TransactionManager;
import com.arjuna.mw.wst11.TransactionManagerFactory;
import com.arjuna.mw.wst11.UserTransactionFactory;
import org.jboss.as.quickstarts.wsat.simple.jaxws.RestaurantServiceAT;
import javax.jws.HandlerChain;
import javax.jws.WebMethod;
import javax.jws.WebService;
import javax.jws.soap.SOAPBinding;
import javax.servlet.annotation.WebServlet;
import java.util.UUID;
/**
* An adapter class that exposes the RestaurantManager business API as a transactional Web Service.
*
* @author paul.robinson@redhat.com, 2012-01-04
*
*/
@WebService(serviceName = "RestaurantServiceATService", portName = "RestaurantServiceAT", name = "RestaurantServiceAT", targetNamespace = "http://www.jboss.org/jboss-jdf/jboss-as-quickstart/wsat/simple/Restaurant")
@HandlerChain(file = "/context-handlers.xml", name = "Context Handlers")
@SOAPBinding(style = SOAPBinding.Style.RPC)
@WebServlet("/RestaurantServiceAT")
public class RestaurantServiceATImpl implements RestaurantServiceAT {
private MockRestaurantManager mockRestaurantManager = MockRestaurantManager.getSingletonInstance();
/**
* Book a number of seats in the restaurant. Enrols a Participant, then passes the call through to the business logic.
*/
@WebMethod
public void makeBooking() throws RestaurantException {
System.out.println("[SERVICE] Restaurant service invoked to make a booking");
String transactionId;
try {
// get the transaction ID associated with this thread
transactionId = UserTransactionFactory.userTransaction().toString();
// enlist the Participant for this service:
RestaurantParticipant restaurantParticipant = new RestaurantParticipant(transactionId);
TransactionManager transactionManager = TransactionManagerFactory.transactionManager();
System.out.println("[SERVICE] Enlisting a Durable2PC participant into the AT");
transactionManager.enlistForDurableTwoPhase(restaurantParticipant, "restaurantServiceAT:" + UUID.randomUUID());
} catch (Exception e) {
throw new RestaurantException("Error when enlisting participant", e);
}
// invoke the backend business logic:
System.out.println("[SERVICE] Invoking the back-end business logic");
mockRestaurantManager.makeBooking(transactionId);
}
/**
* obtain the number of existing bookings
*
* @return the number of current bookings
*/
@Override
public int getBookingCount() {
return mockRestaurantManager.getBookingCount();
}
/**
* Reset the booking count to zero
*
* Note: To simplify this example, this method is not part of the compensation logic, so will not be undone if the AT is
* compensated. It can also be invoked outside of an active AT.
*/
@Override
public void reset() {
mockRestaurantManager.reset();
}
}