Wrong link - it's http://castor.exolab.org
>From: [EMAIL PROTECTED]
>Reply-To: A mailing list for Enterprise JavaBeans development
><[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: Threading delegate in EJB
>Date: Thu, 8 Feb 2001 09:34:34 +0100
>
>1 - In the EJB specification : you cannot have threads in EJB !!!!
>
>2 - Why ?
>
>Hum, for some purpose, it is stupid, because in some case we want to have
>several transactional context and parellel processing in EJB !!!!
>But it is not a good practice.
>
>Some (If not all) EJB servers manage their own threads and transactional
>context. If you create some thread you will face some problems because
>your thread need some synchronisation with EJB server threads !!
>
>3 - What you can do ?
>
>I think that EJB are good for e-commerce, with high transactional context
>between client and server, but If you want to manage another transactional
>context and access to DB, create a simple JDBC connection, or create
>another connection pool ! Or reuse your connection pool to get a new
>connection
>and work with that.
>
>Take a look at castor.exolab.com which is a JDO (Not compatible with SUN
>JSR, but sometimes better).
>
>Hope it help
>
>Christophe
>
>
>
>
> "Sampathkumaran,
> Ramkumar (CTS)" To:
>[EMAIL PROTECTED]
> <[EMAIL PROTECTED] cc:
> IZANT.COM> Subject: Threading
>delegate in EJB
> Sent by: A mailing
> list for
> Enterprise
> JavaBeans
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> <EJB-INTEREST@java
> .sun.com>
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>
> 02/08/01 08:18 AM
> Please respond to
> A mailing list for
> Enterprise
> JavaBeans
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>
>
>
>Hi,
>I would like to know whether threading can be done by a normal class in a
>EJB server which will be called by a bean.
>
>For eg: I have to retrieve around 2000 rows each from 10 different tables
>and aggregate them and send it to the client.
>So instead of sequentially accessing each table, can i write a class A
>which
>implements Runnable and spawns ten threads for acessing each table and
>aggregating the values(to be passed to the bean which will pass it to the
>client)?
>
>Does this violate the EJB specs or is an acceptable workaround?
>
>
> Regards,
>Ramkumar
>
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