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From David Jencks <djen...@gluecode.com>
Subject Re: Resource ref as dependency; WAS: Multiple Inheritance
Date Sun, 03 Oct 2004 20:31:41 GMT
yes, but is there anything preventing circular ejb references between 
ejbs in 2 or more ejb-jars in a single ear?

david jencks

On Oct 3, 2004, at 12:52 PM, Jeremy Boynes wrote:

> David Jencks wrote:
>> I agree, this is a good idea.  Lets have the default value for the 
>> flag  be "mandatory", i.e you only include the flag when it is 
>> optional.  We  can presumably do the same with ejb-refs from web apps 
>> to ejbs?  I  don't think we can have dependencies between ejbs since 
>> there can be  circular references.
>
> CMP EJBs will also have dependencies for the CMRs between them (as 
> well as the dependency on the CMP data store which will not be an 
> ejb-ref). I agree that resolving those will be problematic.
>
> Perhaps the compromise is to bundle the dependencies at the EJBModule 
> level rather than at the individual EJB level - this would mirror the 
> model at the web layer where they are define for the WebApplication 
> not individual servlets.
>
> In other words, an ejb-ref from a WebApplication would depend on the 
> EJBModule that contained the target EJB not the individual EJB. 
> Similarly, individual EJB's ejb-refs would be rolled up into 
> dependencies from their EJBModule to the EJBModules of the targets.
>
> --
> Jeremy
>


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