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JVx 2.5.1 is available

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We're happy to announce that JVx 2.5.1 is available.

What's new?

  • Push-light

    Our push support has nothing to do with Websockets. It's a technology independent solution for JVx. The Push-light mechanism is available on server-side and enables you to send objects from the server to the client. If you use a direct connection betwenn client and server, the objects wil be sent immediate (e.g. vaadin UI). If you use a serialized connection, the objects will be sent with next client call or alive check.

    The API is simple:

    SessionContext.publishCallBackResult("MESSAGE", "Please logout!");

    or, in a Thread

    final ICallBackBroker broker = SessionContext.getCurrentInstance().getCallBackBroker();

    Thread th = new Thread(new Runnable()
    {
        public void run()
        {
            try
            {
                int i = 0;

                while (isMessageLoopEnabled(i))
                {
                    Thread.sleep(200);
                   
                    broker.publish("MESSAGE", getMessage(i++));
                }
            }
            catch (InterruptedException ie)
            {
                //done
            }
        }
    });
    th.start();

    It's also possible to publish to all clients, via ICallBackBroker.

    The client code is short and simple:

    connection.addCallBackResultListener(new ICallBackResultListener()
    {
        public void callBackResult(CallBackResultEvent pEvent)
        {
            if ("MESSAGE".equals(pEvent.getInstruction()))
            {
                showMessage((String)pEvent.getObject());
            }
        }
    });

    More details: Tickets #25, #1635

  • H2 DB support

    We support H2 with a custom H2DBAccess. The auto detection works with URLs: jdbc:h2:.

  • SQLite DB support

    We support SQLite with a custom SQLiteDBAccess. The auto detection works with URLs: jdbc:sqlite:.

  • MySql limit support

    Read more...

  • Life-cylcle object method inheritance
  • Pie control
  • Set individual cells of a table readonly
  • Connection retries

    We try to re-send requests, if errors occur during transmission. This feature will be available for serialized connections only.

  • Security improvements

    see Tickets: #1605, #1606, #630.

  • Session validator

    We introduced ISessionValidator interface. It allows you to cancel the session after successful authentication. You don't need a custom security manager for this!
    Simply configure the validator in your config.xml:

    <lifecycle>
      <mastersession postAuthClass="com.sibvisions.apps.server.MySessionValidator">
    com.sibvisions.apps.demo.MySession
      </mastersession>
    </lifecycle>
  • API changes

    ICellFormat got a Style attribute and the createCellFormat of IFactory got one more parameter.

The full changelog is available here.

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