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* Copyright 2013, Red Hat, Inc., 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.test.xts.wsba.participantcompletion.service;
import java.util.HashMap;
import java.util.Map;
import org.jboss.as.test.xts.base.TestApplicationException;
import org.jboss.as.test.xts.util.EventLog;
import org.jboss.as.test.xts.util.ServiceCommand;
import org.jboss.logging.Logger;
import com.arjuna.ats.arjuna.common.Uid;
import com.arjuna.mw.wst11.BusinessActivityManager;
import com.arjuna.mw.wst11.BusinessActivityManagerFactory;
import com.arjuna.wst.SystemException;
import com.arjuna.wst11.BAParticipantManager;
import javax.inject.Inject;
import static org.jboss.as.test.xts.util.ServiceCommand.*;
/**
* Service implemenation - this implemetation is inherited by web services.
*/
public abstract class BAParticipantCompletionSuperService implements BAParticipantCompletion {
private static final Logger log = Logger.getLogger(BAParticipantCompletionSuperService.class);
// for tests this is not needed - but the code operating with participant registry should be synchronized
private static final Map<String, BAParticipantManager> participantRegistry = new HashMap<String, BAParticipantManager>();
@Inject
private EventLog eventLog;
/**
* Add an item to a set Enrolls a Participant if necessary and passes the call through to the business logic.
*
* @param value the value to add to the set.
* @throws
* @throws AlreadyInSetException if value is already in the set
* @throws SetServiceException if an error occurred when attempting to add the item to the set.
*/
public void saveData(String value, ServiceCommand... serviceCommands) throws TestApplicationException {
log.info("[BA PARTICIPANT COMPL SERVICE] invoked saveData('" + value + "')");
eventLog.foundEventLogName(value);
BAParticipantManager participantManager;
BusinessActivityManager activityManager = BusinessActivityManagerFactory.businessActivityManager();
String txid;
try {
txid = activityManager.currentTransaction().toString();
} catch (SystemException se) {
throw new RuntimeException("Error on getting TX id from BusinessActivityManager", se);
}
if(participantRegistry.keySet().contains(txid) && ServiceCommand.isPresent(REUSE_BA_PARTICIPANT, serviceCommands)) {
log.info("[BA PARTICIPANT COMPL SERVICE] Reusing BA participant manager - command: " + REUSE_BA_PARTICIPANT);
participantManager = participantRegistry.get(txid);
} else {
try {
// Enlist the Participant for this service:
BAParticipantCompletionParticipant participant = new BAParticipantCompletionParticipant(serviceCommands, eventLog, value);
log.info("[BA PARTICIPANT COMPL SERVICE] Enlisting a participant into the BA");
participantManager = activityManager.enlistForBusinessAgreementWithParticipantCompletion(participant,
"BAParticipantCompletition:" + new Uid().toString());
participantRegistry.put(txid, participantManager);
} catch (Exception e) {
log.error("[BA PARTICIPANT COMPL SERVICE] Participant enlistment failed", e);
throw new RuntimeException("Error enlisting participant", e);
}
}
if (ServiceCommand.isPresent(APPLICATION_EXCEPTION, serviceCommands)) {
throw new TestApplicationException("Intentionally thrown Application Exception - service command set to: " + APPLICATION_EXCEPTION);
}
// There could be invoked some back-end business logic here
/*
* This service employs the participant completion protocol which means it decides when it wants to commit local
* changes. If the local changes (adding the item to the set) succeeded, we notify the coordinator that we have
* completed. Otherwise, we notify the coordinator that we cannot complete. If any other participant fails or the client
* decides to cancel we can rely upon being told to compensate.
*/
log.info("[BA PARTICIPANT COMPL SERVICE] Prepare the backend resource and if successful notify the coordinator that we have completed our work");
if (ServiceCommand.isPresent(DO_COMPLETE, serviceCommands)) {
try {
// Tell the coordinator manager we have finished our work
log.info("[BA PARTICIPANT COMPL SERVICE] Prepare successful, notifying coordinator of completion");
participantManager.completed();
} catch (Exception e) {
/* Failed to notify the coordinator that we have finished our work. Compensate the work and throw an Exception
* to notify the client that the add operation failed. */
log.error("[BA PARTICIPANT COMPL SERVICE] 'completed' callback failed");
throw new RuntimeException("Error when notifying the coordinator that the work is completed", e);
}
}
if (ServiceCommand.isPresent(CANNOT_COMPLETE, serviceCommands)) {
try {
// Tell the participant manager we cannot complete. This will force the activity to fail.
log.info("[BA PARTICIPANT COMPL SERVICE] Prepared fail, notifying coordinator that we cannot complete");
participantManager.cannotComplete();
return;
} catch (Exception e) {
log.error("[BA PARTICIPANT COMPL SERVICE] 'cannotComplete' callback failed");
throw new RuntimeException("Error when notifying the coordinator that the work is cannot be completed", e);
}
}
}
}