public void onMessage(final Message message) {
try {
// Step 9. We know the client is sending a text message so we cast
TextMessage textMessage = (TextMessage) message;
// Step 10. get the text from the message.
String text = textMessage.getText();
System.out.println("message " + text + " received");
if (!textMessage.getJMSRedelivered()) {
// Step 11. On first delivery get the transaction, take a look, and throw an exception
Transaction tx = tm.getTransaction();
if (tx != null) {
System.out.println("something is wrong, there should be no global transaction: " + tx);
} else {
System.out.println(
"there is no global transaction, although the message delivery is using a local transaction");
System.out.println("let's throw an exception and see what happens");
throw new RuntimeException("DOH!");
}
} else {
// Step 12. Print the message
System.out.println(
"The message was redelivered since the message delivery used a local transaction");
}
} catch (JMSException e) {
e.printStackTrace();
} catch (SystemException e) {
e.printStackTrace();
}
}
void setRollbackOnly() {
try {
transactionManager.setRollbackOnly();
} catch (javax.transaction.SystemException se) {
se.printStackTrace();
}
}
public static void main(String[] args) {
UserTransaction ut = null;
try {
boolean abort = false;
System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
System.setProperty(Context.PROVIDER_URL, "t3://localhost:7001");
ut = getUserTransaction();
ut.begin();
MessagePublisher mp =
new MessagePublisher("jms/JTATestJMSConnectionFactory", "jms/JTATestJMSQueue", false);
mp.publishMessage("Hello JMS2");
mp.publishMessage("Hello again JMS2");
new AmitkJTADao("jdbc/JTATestDataSource")
.updateRecord(1, new Date(System.currentTimeMillis()));
if (abort) throw new Exception("Forcefully aborting transaction");
ut.commit();
} catch (Exception e) {
e.printStackTrace();
try {
if (null != ut) ut.rollback();
} catch (SystemException se) {
se.printStackTrace();
} finally {
ut = null;
}
}
}
/** 重载父类方法，设置事务的状态标识为回滚状态 */
public void rollback() throws SQLException {
JDBCTransaction tx = TransactionManager.getTransaction();
try {
if (tx != null) tx.setRollbackOnly();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SystemException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
String showid = request.getParameter("si");
String[] pics;
pics = request.getParameterValues("pics[]");
String[] comms;
comms = request.getParameterValues("comms[]");
utx.begin();
EntityManager em = emf.createEntityManager();
for (int i = 0; i < pics.length; i++) {
Ecpresentations etemp = em.getReference(Ecpresentations.class, showid);
Ecinfo ef = new Ecinfo();
ef.setPicy(pics[i]);
ef.setDetails(comms[i]);
ef.setShowid(etemp);
em.persist(ef);
}
utx.commit();
RequestDispatcher view = request.getRequestDispatcher("addinforeport.jsp");
view.forward(request, response);
em.close();
} catch (NotSupportedException ex) {
ex.printStackTrace();
} catch (SystemException ex) {
ex.printStackTrace();
} catch (RollbackException ex) {
ex.printStackTrace();
} catch (HeuristicMixedException ex) {
ex.printStackTrace();
} catch (HeuristicRollbackException ex) {
ex.printStackTrace();
} catch (SecurityException ex) {
ex.printStackTrace();
} catch (IllegalStateException ex) {
ex.printStackTrace();
}
}
@PostConstruct
private void init() {
try {
userTransaction.begin();
initData();
userTransaction.commit();
} catch (NotSupportedException e) {
e.printStackTrace();
} catch (SystemException e) {
e.printStackTrace();
} catch (HeuristicRollbackException e) {
e.printStackTrace();
} catch (javax.transaction.RollbackException e) {
e.printStackTrace();
} catch (HeuristicMixedException e) {
e.printStackTrace();
}
}
/** @see com.idega.block.importer.business.ImportFileHandler#handleRecords() */
@Override
public boolean handleRecords() {
failedRecords = new ArrayList();
errorLog = new TreeMap();
report = new Report(file.getFile().getName()); // Create a report file.
// It will be located in
// the Report dir
IWTimestamp t = IWTimestamp.RightNow();
t.setAsDate();
today = t.getDate();
t.setDay(1);
firstDayInCurrentMonth = t.getTimestamp();
t.addDays(-1);
lastDayInPreviousMonth = t.getTimestamp();
transaction = this.getSessionContext().getUserTransaction();
Timer clock = new Timer();
clock.start();
try {
// initialize business beans and data homes
communeUserBusiness =
(CommuneUserBusiness) this.getServiceInstance(CommuneUserBusiness.class);
schoolBusiness = (SchoolBusiness) this.getServiceInstance(SchoolBusiness.class);
schoolHome = schoolBusiness.getSchoolHome();
schoolTypeHome = schoolBusiness.getSchoolTypeHome();
schoolYearHome = schoolBusiness.getSchoolYearHome();
schoolClassHome = (SchoolClassHome) this.getIDOHome(SchoolClass.class);
schoolClassMemberHome = (SchoolClassMemberHome) this.getIDOHome(SchoolClassMember.class);
communeHome = (CommuneHome) this.getIDOHome(Commune.class);
studyPathHome = (SchoolStudyPathHome) this.getIDOHome(SchoolStudyPath.class);
placementImportDateHome =
(PlacementImportDateHome) this.getIDOHome(PlacementImportDate.class);
try {
season =
schoolBusiness.getCurrentSchoolSeason(schoolBusiness.getCategoryElementarySchool());
} catch (FinderException e) {
e.printStackTrace();
println("NackaHighSchoolPlacementHandler: School season is not defined.");
return false;
}
transaction.begin();
// iterate through the records and process them
String item;
int count = 0;
boolean failed = false;
while (!(item = (String) file.getNextRecord()).trim().equals("")) {
count++;
if (!processRecord(item, count)) {
failedRecords.add(item);
failed = true;
// break;
}
if ((count % 100) == 0) {
System.out.println(
"NackaHighSchoolHandler processing RECORD ["
+ count
+ "] time: "
+ IWTimestamp.getTimestampRightNow().toString());
}
item = null;
}
if (!failed) {
if (!terminateOldPlacements()) {
failed = true;
}
}
printFailedRecords();
clock.stop();
println("Number of records handled: " + (count - 1));
println(
"Time to handle records: "
+ clock.getTime()
+ " ms OR "
+ ((int) (clock.getTime() / 1000))
+ " s");
// success commit changes
if (!failed) {
transaction.commit();
} else {
transaction.rollback();
}
report.store(false);
return !failed;
} catch (Exception e) {
e.printStackTrace();
try {
transaction.rollback();
} catch (SystemException e2) {
e2.printStackTrace();
}
report.store(false);
return false;
}
}
