cayenne-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Andrey Razumovsky <razumovsky.and...@gmail.com>
Subject Re: Updating DataMap through ROP client
Date Mon, 16 Feb 2009 20:14:46 GMT
I don't know details of Hessian, but I don't think HessianServlet caches any
data. Have you tried simply clearing client context's cache?

2009/2/16 Zissis Trabaris <z.trabaris@insysware.com>

> I have solved the DataMap problem with the following: I have created an
> HTTP back-channel that send the map xmls to the client. The client then
> creates a new Configuration instance, modifies the data maps, serializes
> the results to XML, sends them to the server and the server saves them
> to disk. The remaining problems to solve are the following:
>
> 1) I need to somehow refresh the configuration instances that are in
> memory for the HessianServlet.
> 2) Once refreshed, I need to somehow clear the object caches of the
> HessianServlet.
>
> All of this without dropping any connections that the HessianServlet is
> servicing.
>
> Zissis Trabaris * Chief Technology Officer * INSYSWARE * 3235 West River
> Road, Grand Island, New York, 14072, USA
> Mobile (716) 930-5654 * Office (518) 636-4118 * Fax (716) 625-1305 *
> z.trabaris@insysware.com * www.insysware.com
>
> CONFIDENTIALITY: This email (including any attachments) may contain
> confidential, proprietary and privileged information, and unauthorized
> disclosure or use is prohibited. If you received this email in error,
> please notify the sender and delete this email from your system. Thank
> you.
>
>
> -----Original Message-----
> From: Andrey Razumovsky [mailto:razumovsky.andrey@gmail.com]
> Sent: Sunday, February 15, 2009 1:10 PM
> To: user@cayenne.apache.org
> Subject: Re: Updating DataMap through ROP client
>
> Hi Zissis,
>
> DbEntities are not being sent to client (and DataMap is sent trimmed).
> So I
> don't think you can perform DataMap changes from client. What I would
> try to
> do is to write a custom query which performs your operations and the
> fire it
> from the client. I'm not sure this will work though.
>
> Regards,
> Andrey
>
> 2009/2/15 Zissis Trabaris <z.trabaris@insysware.com>
>
> > We have an ROP client that acts as a modeler for our runtime
> > application. Is there any way to modify a DataMap via an ROP client
> > layer, synchronize the DB schema like I would do using
> > ExecutingMergerContext at the server layer and then clear the server
> and
> > client object caches without dropping the ROP connection?
> >
> >
> >
> > Zissis Trabaris * Chief Technology Officer * INSYSWARE * 3235 West
> River
> > Road, Grand Island, New York, 14072, USA
> > Mobile (716) 930-5654 * Office (518) 636-4118 * Fax (716) 625-1305 *
> > z.trabaris@insysware.com
> <mailto:%20%20z.trabaris@insysware.com <20%2520z.trabaris@insysware.com><
> 20%2520z.trabaris@insysware.com <20%252520z.trabaris@insysware.com>>>
> >  *
> > www.insysware.com <http://www.insysware.com/>
> >
> > ________________________________
> >
> > CONFIDENTIALITY: This email (including any attachments) may contain
> > confidential, proprietary and privileged information, and unauthorized
> > disclosure or use is prohibited. If you received this email in error,
> > please notify the sender and delete this email from your system. Thank
> > you.
> >
> >
> >
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message