Examples of javax.jdo.PersistenceManager.currentTransaction()

javax.jdo.PersistenceManager.currentTransaction()
Return the Transaction instance associated with a PersistenceManager. There is one Transaction instance associated with each PersistenceManager instance. The Transaction instance supports options as well as transaction completion requests. @return the Transaction associated with thisPersistenceManager.

     * @param positive
     */
    protected void compile(String assertion, 
            Query query, String queryText, boolean positive) {
        PersistenceManager pm = getPM();
        Transaction tx = pm.currentTransaction();
        tx.begin();
        try {
            query.compile();
            if (!positive) {
                fail(assertion,

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    private Object execute(String assertion, Query query, 
            String singleStringQuery, boolean hasOrdering,
            Object parameters, Object expectedResult, boolean positive) {
        Object result = null;
        PersistenceManager pm = getPM();
        Transaction tx = pm.currentTransaction();
        tx.begin();
        try {
            try {
                if (parameters == null) {
                    result = query.execute();

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    private void delete(String assertion, Query query, 
            String singleStringQuery, Object parameters, 
            long expectedNrOfDeletedObjects) {
        boolean positive = expectedNrOfDeletedObjects >= 0;
        PersistenceManager pm = getPM();
        Transaction tx = pm.currentTransaction();
        tx.begin();
        try {
            try {
                long nr;
                if (parameters == null) {

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      sub.setPriority(0);
      sub.setUserKey(user.getKey());
      sub.setLastProcessDate(new Date());
      sub.setLatestEntryNotifiedDate(new Date());
      
      pm.currentTransaction().begin();
      pm.makePersistent(sub);
      pm.currentTransaction().commit();


      TalkService.sendMessage(user.getId(),"source added ! :)");
      //update cache

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      sub.setLastProcessDate(new Date());
      sub.setLatestEntryNotifiedDate(new Date());
      
      pm.currentTransaction().begin();
      pm.makePersistent(sub);
      pm.currentTransaction().commit();


      TalkService.sendMessage(user.getId(),"source added ! :)");
      //update cache
      SubscriptionCache.removeUserFromCache(user.getId());
    } else {

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          blogs.add(b);


        } catch (JDOObjectNotFoundException ex) {
          // blog deleted ! bad !!
          pm.currentTransaction().begin();
          pm.deletePersistent(sub);
          pm.currentTransaction().commit();
          pm.flush();
          continue;
        }

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        } catch (JDOObjectNotFoundException ex) {
          // blog deleted ! bad !!
          pm.currentTransaction().begin();
          pm.deletePersistent(sub);
          pm.currentTransaction().commit();
          pm.flush();
          continue;
        }
      }
      mav.getModel().put("blogs", blogs);

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      @SuppressWarnings("unchecked")
      List<Subscription> ls = (List<Subscription>) sq.execute(b.getKey());
      
      if (ls.size() == 0){
        //delete blog without subscription
        pm.currentTransaction().begin();
        pm.deletePersistent(b);
        pm.currentTransaction().commit();
        nb++;
      }
    }

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      if (ls.size() == 0){
        //delete blog without subscription
        pm.currentTransaction().begin();
        pm.deletePersistent(b);
        pm.currentTransaction().commit();
        nb++;
      }
    }
    
    pm.close();

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    //fetch ALL blogs
    @SuppressWarnings("unchecked")
    List<BlogEntry> oldest = (List<BlogEntry>) q.execute(cdat.getTime());
    
    for(BlogEntry be : oldest){
      pm.currentTransaction().begin();
      pm.deletePersistent(be);
      pm.currentTransaction().commit();
      nb++;
    }

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