[news.eclipse.platform] Re: My RCP application start up changed from 3.2

[Ed Merks <merks@xxxxxxxxxx>]

Ian,

If you change the sleep from 200, which is a very short time of .2 
seconds, to something like 20000 or even 60000, does the GUI not come up 
until that time has completely expired?


Ian Leslie wrote:
> I have an RCP application which takes about 60 seconds to start up.  A 
> portion of that is database initialization that does not need to be 
> done before the GUI comes up.  Using 3.2 I had my startup time (for 
> the GUI to appear) down to 45s with the additional work happening on a 
> separate thread and completing 20s or so after that.
>
> I have updated my application to use 3.3 (I wanted some of the SWT 
> enhancements) and now I see that the GUI does not appear until after 
> my initialization thread is finished.  I did change from 
> IPlatformRunnable to IApplication for my app but that did not help.
>
> The second thread is launched from the start method of one of my 
> application's plug-ins with code like this:
>
>        new Thread (new Runnable () {
>
>            public void run () {
>                try {
>                    //  Delay the start so the rest of the application 
> can get a head start
>                    Thread.sleep (200);
>                } catch (InterruptedException e) {
>
>                try {
>                    ... do a bunch of work here...
>                }  catch (CoreException e)  {
>                    DataAccessPlugin.getInstance ().getLog ().log 
> (ErrorFactory.createStatusObject (
>                            DataAccessPlugin.getID (), e, 
>                            
> DataAccessErrorCodes.WARNING_PRELOADING_FAILED));
>                }  finally  {
>                    if (connection != null)  {
>                        try {
>                            connection.close ();
>                        } catch (SQLException e) {
>                            DataAccessPlugin.getInstance ().getLog 
> ().log (ErrorFactory.createStatusObject (
>                                    DataAccessPlugin.getID (), e, 
>                                    
> DataAccessErrorCodes.WARNING_PRELOADING_FAILED));
>                        }
>                    }
>                }
>            }
>        }).start ();
>
>
>
> What has changed?  What can I do to start a thread that will not 
> prevent the GUI from coming up?
>
> Any thoughts or advice would be appreciated.
>
> Ian