<vendor>
GemStone/J provides a JNDI service for use within the server. It can be used by
beans to share (non-bean) server objects, even between different server VMs.
</vendor>
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"Writing a new object-oriented program sometimes feels a bit like
throwing a bunch of animals into a cage and watching what happens."
- Daniel Hillis in "The Pattern on the Stone"
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Bruce Cohen, | email: [EMAIL PROTECTED]
GemStone Systems, Inc. | phone: (503)533-3602
20575 NW Von Neumann Drive | fax: (503)629-8556
Beaverton, OR USA 97006 | web: http://www.gemstone.com
Jean-Baptiste Nizet wrote:
> Avi Kivity wrote:
>
> > >
> > > You're right. I finally found it in the specs (p. 202) :
> > > Enterprise bean instances are not allowed to modify the
> > > bean's environment at
> > > runtime.
> > >
> > > Do anyone know why? Since the environment is only accessible
> > > by the bean instances, I
> > > don't see why we would have to protect the bean from itself.
> > >
> >
> > 1. Synchronization. If read/write access is allowed, then any access (read
> > or write) has to be serialized. Slow.
> > 2. Clustering. How do you propagate changes to the environment to all
> > servers in a cluster? Suppose one of them is down right now?
> >
>
> These are serious issues, but they would be solved by the container, not by the
> bean provider. But you're right that it would perhaps decrease the performance
> significantly.
> Anyone know of a server providing the exact same kind of JNDI context, but which
> could be shared between components?
>
> JB.
>
> >
> > - Avi
> > --
> > s/\be(\w+)/e-\1/g;
> >
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>
> --
> Jean-Baptiste Nizet
> [EMAIL PROTECTED]
>
> R&D Engineer, S1 Belgium
> Kleine Kloosterstraat, 23
> B-1932 Sint-Stevens Woluwe
> +32 2 200 45 42
>
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