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.

    List<BlogEntry> oldest = (List<BlogEntry>) q.execute(cdat.getTime());
    
    for(BlogEntry be : oldest){
      pm.currentTransaction().begin();
      pm.deletePersistent(be);
      pm.currentTransaction().commit();
      nb++;
    }


    pm.close();

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    if (user == null){
      user = new User();
      user.setId(jid);
      user.setDateCrea(new Date());
      user.setNextUpdate(new Date());
      pm.currentTransaction().begin();
      pm.makePersistent(user);
      pm.currentTransaction().commit();
    }

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      user.setId(jid);
      user.setDateCrea(new Date());
      user.setNextUpdate(new Date());
      pm.currentTransaction().begin();
      pm.makePersistent(user);
      pm.currentTransaction().commit();
    }
    
    
    pm.close();
    pm = null;

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    DataManager dm = DataManagerFactory.getInstance();
    PersistenceManager pm = dm.newPersistenceManager();


    Subscription s = pm.getObjectById(Subscription.class, new Long(id));
    pm.currentTransaction().begin();
    pm.deletePersistent(s);
    pm.currentTransaction().commit();
    pm.flush();


    pm.close();

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    PersistenceManager pm = dm.newPersistenceManager();


    Subscription s = pm.getObjectById(Subscription.class, new Long(id));
    pm.currentTransaction().begin();
    pm.deletePersistent(s);
    pm.currentTransaction().commit();
    pm.flush();


    pm.close();


    return true;

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    @SuppressWarnings("unchecked")
    List<Subscription> list = (List<Subscription>) q.execute(user.getKey(),
        blog.getKey());


    if (list.size() > 0) {
      pm.currentTransaction().begin();
      pm.deletePersistent(list.get(0));
      pm.currentTransaction().commit();
      pm.flush();


    }

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        blog.getKey());


    if (list.size() > 0) {
      pm.currentTransaction().begin();
      pm.deletePersistent(list.get(0));
      pm.currentTransaction().commit();
      pm.flush();


    }
    q.closeAll();
    pm.close();

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          blog = new Blog();
          blog.setLatestEntry(calLongTime.getTime());
          blog.setNextUpdate(now);
          blog.setLink(link);
          blog.setRss(rss);
          pm.currentTransaction().begin();
          pm.makePersistent(blog);
          pm.currentTransaction().commit();
        }
      } else {
        Logger.getLogger("updateBlog").log(Level.WARNING,

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          blog.setNextUpdate(now);
          blog.setLink(link);
          blog.setRss(rss);
          pm.currentTransaction().begin();
          pm.makePersistent(blog);
          pm.currentTransaction().commit();
        }
      } else {
        Logger.getLogger("updateBlog").log(Level.WARNING,
            "blog not found : "  + link);
      }

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      user.setInterval(minutes);
      TalkService.sendMessage(id, "blog update every " + minutes + " minute(s)");
    }
    
    pm.currentTransaction().begin();
    pm.flush();
    pm.currentTransaction().commit();
    
    pm.close();
    pm = null;

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