-----Original Message-----
From: David Jencks [mailto:[email protected]]
Sent: 24 March 2010 19:17
To: James Developers List
Subject: Re: James and Spring / Osgi
On Mar 22, 2010, at 2:27 PM, Steve Brewin wrote:
Hi
You might want to talk to the guys over at Aries -
http://incubator.apache.org/aries/blueprint.html - an
implementation
of
Blueprint, which is OSGI's implementation of Spring DM as
an OSGi R4
V4.2
standard.
Both OSGI and Blueprint configurations are immutable after
instantiation.
That's not really true. Plain osgi has config admin. It
hasn't made
it into a spec yet but rfc 156 is specifying how osgi config admin
relates to blueprint, and aries blueprint has support now, and I'm
pretty sure spring blueprint does too (they are building the
ri). (I
don't know if there are other blueprint implementations out).
However, this kind of config support doesn't sound like what you are
looking for -- I think you just want to deploy more than one
blueprint
plan, one for each mail server instance.
thanks
david jencks
To satisfy this usecase, if I have understood it correctly,
why not
apply
transforms to a default configuration in a start up script
to set the
configuration specifics prior to start-up?
Cheers
-- Steve
-----Original Message-----
From: Martin Reisenhofer [mailto:[email protected]]
Sent: 22 March 2010 08:39
To: James Developers List
Subject: Re: James and Spring / Osgi
No problem
Thx
Martin
Norman Maurer schrieb:
Uff..
I think I have not enough expirience with OSGI to answer
this.. Maybe
the spring dynamic modules docs can bring in some lights..
Sorry,
Norman
2010/3/22 Martin Reisenhofer <[email protected]>:
Dear Norman,
I mean is there any Spring-Osgi-Configuration Project to change
configuration of server instances dynamically, without rebundle
configuration. For example, i provide james server as
osgi bundle, and i
want to start two instances of the server, at first i have
to install the
james server osgi bundle, the second step is to install a
bundle which
import the james server osgi bundle and two spring
configurations for
creating the two instances. I am not sure if this is the
right way?
Thx
Martin
Norman Maurer schrieb:
Hi Martin,
I don't understand this question "Do you know a
extension project,
to configure spring supported server instances without install
bundles with configuration ?"
Could you rephrase it and give some more details..
Thx,
Norman
2010/3/22 Martin Reisenhofer <[email protected]>:
Dear Norman,
I started with the osgi project now. The reason i will
use james in osgi
environment, is to build up an environment with more
different servers
are
easy to configure. For example: use apacheds + james in
one application
server.
You have to build an feature or other bundle with the
configuration for
the
servers. That is nothing i call fast and easy. Do you
know a extension
project, to configure spring supported server instances
without install
bundles with configuration.
Thx,
martin
Norman Maurer schrieb:
Hi Martin,
just to follow up on this. Have you started to work on
this already ?
If so, is there some code already so I could have a
look ? I would be
really interested in see your progress ..
Thx,
Norman
2010/3/1 Norman Maurer <[email protected]>:
Hi Martin,
I think the important think is to actual do stuff ;)
So if you feel
more comfortable with spring-dm just go ahead, If
someone feels that
blueprint is the way to go later, he could just
contribute a patch..
Bye,
Norman
2010/2/28 Martin Reisenhofer <[email protected]>:
It is so hard today there are so many
standards/libraries for the same
thing
( see about java logging) , everything has advantages
was the other
not
has
and vice versa. You are right, the ideal way is it to
implement james
osgi
support based on blueprint because it is a standard,
but the ideal way
is
not ever the way which was gone ( the old example VHS
and VIDEO2000 ).
At
now i am not familiar with blueprint, but i don't
want ignore this
good
standard, i try to do my best to find a solution. I
will you inform
about my
steps of implementing.
Thanks
Martin
Am 27.02.2010 21:42, schrieb David Jencks:
On Feb 27, 2010, at 12:02 PM, Martin Reisenhofer wrote:
Dear David,
blueprint is similar to spring-dm, and also
supported by the
spring-dm
server. But spring configuration for now has more
features than
blueprint.
Why do you prefer blueprint instead of spring-dm?
Blueprint is a standard and gives you a choice of
platfoms to run on,
such
as apache aries. I'm not familiar with the features
in spring-dm
that
are
missing from blueprint: if they aren't too important
for james, I
think
using the standard would be worthwhile.
From another point of view, my understanding is that Spring
positioned
blueprint as the better, standardized version of
spring-dm. If it
isn't,
better to find out now and start trying to fix the
blueprint spec.
thanks
david jencks
thanks
Martin
I watched out now the blueprint. The first i see,
I am also agree that xbean-bluepring is great, but the are
David Jencks wrote:
I still think that if you are going to go to the
work of making
james
run well under osgi then it is worth the small
additional work of
using
blueprint instead of spring-dm so as to not be tied to a
proprietary
api. I
got activemq running under xbean-blueprint and
it basically
consisted
of
removing some unneeded use of obsolete spring
lifecycle interfaces
from a
few classes and making sure the spring-isms needed
for startup in
spring
were in a few classes not needed in blueprint.
Translating a plan
from
spring to blueprint is pretty easy, there are
basically just a few
element
name changes.
I think xbean-blueprint is great but I know not
everyone agrees and
it
is certainly experimental at this point.
thanks
david jencks
On Feb 27, 2010, at 10:33 AM, Norman Maurer wrote:
Hi David,
we are talkin about spring-dm (the modules) not the
spring-dm-server.
I just think using spring-dm is the easiest way
cause we already
use
spring for DI.
Bye,
Norman
2010/2/27 David Jencks <[email protected]>:
I'd suggest using blueprint rather than
spring-dm as it is a
standard.
If you want to poke into experimental territory
you could try
xbean-blueprint which, although it currently
only works with
aries'
blueprint implementation lets you use a schema
adapted to the
beans
for
configuration.
thanks
david jencks
On Feb 27, 2010, at 9:21 AM, Martin Reisenhofer wrote:
Dear Norman,
Thanks for the answer, i have cycles to
integrate james with
spring-dm,
after i finished i publish the sources.
Best Regards
Martin
Norman Maurer wrote:
Hi Martin,
we using spring as container in current trunk.
(development
version).
I would love to see some osgi deployment too
(using spring-dm)
but
noone had the cycles yet to implement it.
Contributions are
welcome
of
course :)
Bye,
Norman
2010/2/27 Martin Reisenhofer <[email protected]>:
Dear James development Team,
there are plans to makes james based on
spring and osgi in
future?
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Tel +43 (0) 664 101 44 65
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Tel +43 (0) 664 101 44 65
Mail [email protected]
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8294 Rohr bei Hartberg
Austria
Tel +43 (0) 664 101 44 65
Mail [email protected]
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