[opencms-dev] Challange! External Program access to OpenCMS I nstance...

[Wouter.DERUYCK at cec.eu.int]

You will need RMI to call the wrapper class if you start another application
with "java myApplication" because then you start a new JVM, different than
the JVM which is started by your web application and in which your wrapper
class was initialized.
w

-----Original Message-----
From: ambiesense at gmx.de [mailto:ambiesense at gmx.de]
Sent: mercredi 12 novembre 2003 14:32
To: opencms-dev at opencms.org
Subject: RE: [opencms-dev] Challange! External Program access to OpenCMS
I nstance...


Hello Wouter,

can another Java program (started indepentendly with "java myApplication")
call the static Wrapper embedded as part of the OpenCMS server? If this is
possible, then I am fine.

I think this is more a Java question then a OpenCMS question. I appologise
if I might have confused you.

Ralf

> I don't understand exactly what you are trying to say. Why don't you
> consider the Wrapper class as being part of the OpenCms server ?  It's 
> the
> client which afterwards calls the wrapper class in order to get acces 
> to the
> singleton OpenCms.
> 
> Concerning the other question , as long you keep the singleton "single"
> there no problem that different threads or clients (possibly through 
> rmi)
> make use of the singleton. They all use a reference to the same object.
> 
> wouter
> 
> -----Original Message-----
> From: Ralf Bierig [mailto:ambiesense at gmx.de]
> Sent: mercredi 12 novembre 2003 11:22
> To: opencms-dev at opencms.org
> Subject: Re: [opencms-dev] Challange! External Program access to 
> OpenCMS
> Instance...
> 
> 
> Hi Matt and Wouter,
> 
> the method is more direct. However using this appraoch would change the
> workflow. My initial idea was that OpenCMS with data and everything is 
> like
> a
> service and I have a client, who can access this without
> HTTP/SOAP/Webservice
> but API(local)/RMI or Sockets.
> 
> Wouter's method is good but change the workflow in the way that the 
> OpenCMS
> server is acutally calling my application (the wrapper). This would 
> turn
> OpenCMS into a pseudo client and the application which was supposed to 
> be a
> client into a pseudo server. The application would be invoked by 
> starting
> OpenCMS.
> I would like it however the other way round. Would this be possible to 
> start
> a RMI server/Socket Server with this extra line and let the appliation
> client connect to that, get the OpenCms Object and work with the 
> singleton
> OpenCms
> instance. 
> 
> If more then one client applications would connect like that, would 
> this way
> of accessing still ensure that each client sees the same (files, users,
> etc)?
> 
> Another question based on the fact that I would accept the fact that 
> OpenCMS
> starts the application. Could  this line:
> 
> // added by myself
> opencms.addons.CmsWrapper.setOpenCms(m_opencms);
> // end added by myself
> 
> be extended to start a number of appliations (Wrappers) simultaniously 
> (i.e.
> as Threads). Would this still ensure that each application would see 
> the
> same OpenCMS instance with the same changes made by others (i.e. users,
> files,
> tasks...)?
> 
> Cheers,
> Ralf
> 
> 
> 
> 
> 
> 
> 
> > Ralf Bierig wrote:
> > > Hello Matt,
> > > 
> > > thank you again for you competent answer.
> > > 
> > > Do you agree that this solution should not have side effects, if 
> the
> > only
> > > user would be this Java programm and there would NO OTHER user 
> logged in
> > via
> > > HTTP/Tomcat?
> > 
> > I think that should be okay. wouter's method is probably better, 
> though 
> > -- esp. if you were planning on using RMI anyway.
> > 
> > Matt
> > 
> > _______________________________________________
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> > 
> 
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