You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@tuscany.apache.org by Jean-Sebastien Delfino <js...@apache.org> on 2006/06/21 10:57:23 UTC
Any recursive composition sample?
The last few weeks we've been talking about composites and recursive
composition so much... and today I looked for a sample showing the new
recursive composition model in our whole code base, including the head
and our various sandboxes... and couldn't find any. I think it'll help
all of us get our heads around this new model if we can see a few
samples. Could somebody point me to a recursive composition sample if we
have any and I missed it?
Is anybody curious and interested in trying to port a few of our
existing samples to the new recursive model? I guess the update of the
SCA spec describing the recursive composition is not public yet, but the
materials presented at JavaOne are public as far as I know, and should
be sufficient to develop samples leveraging the new recursive
composition model.
If anybody is interested in developing sample scenarios that demonstrate
the value of the recursive composition, please let me know, we can work
together on this. I'd like to start this activity in parallel with the
SPI analysis work that I'm currently doing.
--
Jean-Sebastien
---------------------------------------------------------------------
To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
For additional commands, e-mail: tuscany-dev-help@ws.apache.org
Re: Any recursive composition sample?
Posted by Jim Marino <jm...@myromatours.com>.
Thanks for volunteering! The Spring container that Ken is working on
will demonstrate how composites function. However, just to be
accurate, we do not have *any* samples in core2 yet - it's not just a
question about recursion. If people want to develop them and help
out that would be greatly appreciated. The reason we don't have them
is because when I develop code I prefer writing test cases and using
those instead. It's great if people want to volunteer their effort to
create samples though.
Jim
On Jun 21, 2006, at 1:57 AM, Jean-Sebastien Delfino wrote:
> The last few weeks we've been talking about composites and
> recursive composition so much... and today I looked for a sample
> showing the new recursive composition model in our whole code base,
> including the head and our various sandboxes... and couldn't find
> any. I think it'll help all of us get our heads around this new
> model if we can see a few samples. Could somebody point me to a
> recursive composition sample if we have any and I missed it?
>
> Is anybody curious and interested in trying to port a few of our
> existing samples to the new recursive model? I guess the update of
> the SCA spec describing the recursive composition is not public
> yet, but the materials presented at JavaOne are public as far as I
> know, and should be sufficient to develop samples leveraging the
> new recursive composition model.
>
> If anybody is interested in developing sample scenarios that
> demonstrate the value of the recursive composition, please let me
> know, we can work together on this. I'd like to start this activity
> in parallel with the SPI analysis work that I'm currently doing.
>
> --
> Jean-Sebastien
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
> For additional commands, e-mail: tuscany-dev-help@ws.apache.org
>
---------------------------------------------------------------------
To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
For additional commands, e-mail: tuscany-dev-help@ws.apache.org
Re: Any recursive composition sample?
Posted by Jim Marino <jm...@myromatours.com>.
Yea that sounds good in terms of the really simple samples. I'd like
to have a "slim" BigBank that just shows SCA though since I think it
is important that people realize they can pick and choose
technologies. I probably imagine SDO and DAS would say the same thing
about SCA too.
Jim
On Jun 21, 2006, at 7:55 AM, cr22rc wrote:
> I pretty much agree with most of this, but I like the general
> pattern of having the simplest of samples to show a particular
> technology or some aspect of a technology and then something that
> brings it all together which was for M1 BigBank. You may have a
> point that this is too much for one sample, but generally these
> three technologies look in the minds of people to be sort of
> separate and I still like the idea of a sample that shows them all
> coming together.
>
> Jim Marino wrote:
>>
>> On Jun 21, 2006, at 4:48 AM, cr22rc wrote:
>>
>>> I'd like to help out on this and also the SPI analysis work you
>>> spoke of. Per the samples I had some thoughts that instead of
>>> just jumping straight to them is to add some more for "baby
>>> steps" in bring up. For example I'd like to see as starters in a
>>> J2SE environment the very simplest of composite with a Java
>>> component being loaded with the minimal amount of any wiring. I
>>> was wondering if I could use the initeager to somehow just have
>>> it instantiate a single instance that would you guessed it
>>> display "hello world" to console.
>> I can take a look at doing this over the next few days in core2.
>>> Not sure if that is possible still learning some of this code.
>>> If we could get that to work first it would be great for all to
>>> use in a debugger to see the system boot strap it self. From
>>> there move on to converting the other samples. I think with
>>> bigbank we'll need to maybe think (brain storm) some on how to
>>> best exhibit the new recursive model.
>> BigBank I think needs a re-write. When we originally wrote it in
>> the spec group, the intention was to show the benefits and ease-of-
>> use for SCA. Since then, it's kind of evolved into a petstore-type
>> application that pulls in SDO and DAS. While I like those
>> technologies, I'd like to see BigBank put on a diet so that there
>> is a version people just interested in SCA can reference. Also,
>> I'd like it to show more of the value-add around SCA as opposed to
>> just invoking a web service since people outside of the SCA
>> collaboration and Tuscany project have questioned me as to why
>> Tuscany is needed if there are things like: http://
>> seam.demo.jboss.com/home.seam. For me, the value in SCA is around
>> assembly, policies and conversations, so "showcase" features could
>> be:
>>
>> - dynamic re-wiring
>> - switching transport protocols
>> - conversations and non-blocking/async behavior
>> - introduction of policy
>>
>>
>>
>>> I think we'll want to show both composites being used as
>>> components and using composites through inclusion (aka
>>> fragments). I also think we need to eventually start showing
>>> some more examples with some interesting complex properties
>>> being set.
>>>
>>
>>> Jean-Sebastien Delfino wrote:
>>>> The last few weeks we've been talking about composites and
>>>> recursive composition so much... and today I looked for a sample
>>>> showing the new recursive composition model in our whole code
>>>> base, including the head and our various sandboxes... and
>>>> couldn't find any. I think it'll help all of us get our heads
>>>> around this new model if we can see a few samples. Could
>>>> somebody point me to a recursive composition sample if we have
>>>> any and I missed it?
>>>>
>>>> Is anybody curious and interested in trying to port a few of our
>>>> existing samples to the new recursive model? I guess the update
>>>> of the SCA spec describing the recursive composition is not
>>>> public yet, but the materials presented at JavaOne are public as
>>>> far as I know, and should be sufficient to develop samples
>>>> leveraging the new recursive composition model.
>>>>
>>>> If anybody is interested in developing sample scenarios that
>>>> demonstrate the value of the recursive composition, please let
>>>> me know, we can work together on this. I'd like to start this
>>>> activity in parallel with the SPI analysis work that I'm
>>>> currently doing.
>>>>
>>>
>>>
>>> --------------------------------------------------------------------
>>> -
>>> To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
>>> For additional commands, e-mail: tuscany-dev-help@ws.apache.org
>>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
>> For additional commands, e-mail: tuscany-dev-help@ws.apache.org
>>
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
> For additional commands, e-mail: tuscany-dev-help@ws.apache.org
>
---------------------------------------------------------------------
To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
For additional commands, e-mail: tuscany-dev-help@ws.apache.org
Re: Any recursive composition sample?
Posted by cr22rc <cr...@gmail.com>.
I pretty much agree with most of this, but I like the general pattern of
having the simplest of samples to show a particular technology or some
aspect of a technology and then something that brings it all together
which was for M1 BigBank. You may have a point that this is too much
for one sample, but generally these three technologies look in the minds
of people to be sort of separate and I still like the idea of a sample
that shows them all coming together.
Jim Marino wrote:
>
> On Jun 21, 2006, at 4:48 AM, cr22rc wrote:
>
>> I'd like to help out on this and also the SPI analysis work you spoke
>> of. Per the samples I had some thoughts that instead of just jumping
>> straight to them is to add some more for "baby steps" in bring up.
>> For example I'd like to see as starters in a J2SE environment the
>> very simplest of composite with a Java component being loaded with
>> the minimal amount of any wiring. I was wondering if I could use the
>> initeager to somehow just have it instantiate a single instance that
>> would you guessed it display "hello world" to console.
> I can take a look at doing this over the next few days in core2.
>> Not sure if that is possible still learning some of this code. If we
>> could get that to work first it would be great for all to use in a
>> debugger to see the system boot strap it self. From there move on to
>> converting the other samples. I think with bigbank we'll need to
>> maybe think (brain storm) some on how to best exhibit the new
>> recursive model.
> BigBank I think needs a re-write. When we originally wrote it in the
> spec group, the intention was to show the benefits and ease-of-use for
> SCA. Since then, it's kind of evolved into a petstore-type application
> that pulls in SDO and DAS. While I like those technologies, I'd like
> to see BigBank put on a diet so that there is a version people just
> interested in SCA can reference. Also, I'd like it to show more of the
> value-add around SCA as opposed to just invoking a web service since
> people outside of the SCA collaboration and Tuscany project have
> questioned me as to why Tuscany is needed if there are things like:
> http://seam.demo.jboss.com/home.seam. For me, the value in SCA is
> around assembly, policies and conversations, so "showcase" features
> could be:
>
> - dynamic re-wiring
> - switching transport protocols
> - conversations and non-blocking/async behavior
> - introduction of policy
>
>
>
>> I think we'll want to show both composites being used as components
>> and using composites through inclusion (aka fragments). I also think
>> we need to eventually start showing some more examples with some
>> interesting complex properties being set.
>>
>
>> Jean-Sebastien Delfino wrote:
>>> The last few weeks we've been talking about composites and recursive
>>> composition so much... and today I looked for a sample showing the
>>> new recursive composition model in our whole code base, including
>>> the head and our various sandboxes... and couldn't find any. I think
>>> it'll help all of us get our heads around this new model if we can
>>> see a few samples. Could somebody point me to a recursive
>>> composition sample if we have any and I missed it?
>>>
>>> Is anybody curious and interested in trying to port a few of our
>>> existing samples to the new recursive model? I guess the update of
>>> the SCA spec describing the recursive composition is not public yet,
>>> but the materials presented at JavaOne are public as far as I know,
>>> and should be sufficient to develop samples leveraging the new
>>> recursive composition model.
>>>
>>> If anybody is interested in developing sample scenarios that
>>> demonstrate the value of the recursive composition, please let me
>>> know, we can work together on this. I'd like to start this activity
>>> in parallel with the SPI analysis work that I'm currently doing.
>>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
>> For additional commands, e-mail: tuscany-dev-help@ws.apache.org
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
> For additional commands, e-mail: tuscany-dev-help@ws.apache.org
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
For additional commands, e-mail: tuscany-dev-help@ws.apache.org
Re: Any recursive composition sample?
Posted by Jim Marino <jm...@myromatours.com>.
On Jun 21, 2006, at 4:48 AM, cr22rc wrote:
> I'd like to help out on this and also the SPI analysis work you
> spoke of. Per the samples I had some thoughts that instead of just
> jumping straight to them is to add some more for "baby steps" in
> bring up. For example I'd like to see as starters in a J2SE
> environment the very simplest of composite with a Java component
> being loaded with the minimal amount of any wiring. I was
> wondering if I could use the initeager to somehow just have it
> instantiate a single instance that would you guessed it display
> "hello world" to console.
I can take a look at doing this over the next few days in core2.
> Not sure if that is possible still learning some of this code. If
> we could get that to work first it would be great for all to use in
> a debugger to see the system boot strap it self. From there move
> on to converting the other samples. I think with bigbank we'll
> need to maybe think (brain storm) some on how to best exhibit the
> new recursive model.
BigBank I think needs a re-write. When we originally wrote it in the
spec group, the intention was to show the benefits and ease-of-use
for SCA. Since then, it's kind of evolved into a petstore-type
application that pulls in SDO and DAS. While I like those
technologies, I'd like to see BigBank put on a diet so that there is
a version people just interested in SCA can reference. Also, I'd like
it to show more of the value-add around SCA as opposed to just
invoking a web service since people outside of the SCA collaboration
and Tuscany project have questioned me as to why Tuscany is needed if
there are things like: http://seam.demo.jboss.com/home.seam. For me,
the value in SCA is around assembly, policies and conversations, so
"showcase" features could be:
- dynamic re-wiring
- switching transport protocols
- conversations and non-blocking/async behavior
- introduction of policy
> I think we'll want to show both composites being used as components
> and using composites through inclusion (aka fragments). I also
> think we need to eventually start showing some more examples with
> some interesting complex properties being set.
>
> Jean-Sebastien Delfino wrote:
>> The last few weeks we've been talking about composites and
>> recursive composition so much... and today I looked for a sample
>> showing the new recursive composition model in our whole code
>> base, including the head and our various sandboxes... and couldn't
>> find any. I think it'll help all of us get our heads around this
>> new model if we can see a few samples. Could somebody point me to
>> a recursive composition sample if we have any and I missed it?
>>
>> Is anybody curious and interested in trying to port a few of our
>> existing samples to the new recursive model? I guess the update of
>> the SCA spec describing the recursive composition is not public
>> yet, but the materials presented at JavaOne are public as far as I
>> know, and should be sufficient to develop samples leveraging the
>> new recursive composition model.
>>
>> If anybody is interested in developing sample scenarios that
>> demonstrate the value of the recursive composition, please let me
>> know, we can work together on this. I'd like to start this
>> activity in parallel with the SPI analysis work that I'm currently
>> doing.
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
> For additional commands, e-mail: tuscany-dev-help@ws.apache.org
>
---------------------------------------------------------------------
To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
For additional commands, e-mail: tuscany-dev-help@ws.apache.org
Re: Any recursive composition sample?
Posted by cr22rc <cr...@gmail.com>.
I'd like to help out on this and also the SPI analysis work you spoke
of. Per the samples I had some thoughts that instead of just jumping
straight to them is to add some more for "baby steps" in bring up. For
example I'd like to see as starters in a J2SE environment the very
simplest of composite with a Java component being loaded with the
minimal amount of any wiring. I was wondering if I could use the
initeager to somehow just have it instantiate a single instance that
would you guessed it display "hello world" to console. Not sure if
that is possible still learning some of this code. If we could get that
to work first it would be great for all to use in a debugger to see the
system boot strap it self. From there move on to converting the other
samples. I think with bigbank we'll need to maybe think (brain storm)
some on how to best exhibit the new recursive model. I think we'll want
to show both composites being used as components and using composites
through inclusion (aka fragments). I also think we need to eventually
start showing some more examples with some interesting complex
properties being set.
Jean-Sebastien Delfino wrote:
> The last few weeks we've been talking about composites and recursive
> composition so much... and today I looked for a sample showing the new
> recursive composition model in our whole code base, including the head
> and our various sandboxes... and couldn't find any. I think it'll help
> all of us get our heads around this new model if we can see a few
> samples. Could somebody point me to a recursive composition sample if
> we have any and I missed it?
>
> Is anybody curious and interested in trying to port a few of our
> existing samples to the new recursive model? I guess the update of the
> SCA spec describing the recursive composition is not public yet, but
> the materials presented at JavaOne are public as far as I know, and
> should be sufficient to develop samples leveraging the new recursive
> composition model.
>
> If anybody is interested in developing sample scenarios that
> demonstrate the value of the recursive composition, please let me
> know, we can work together on this. I'd like to start this activity in
> parallel with the SPI analysis work that I'm currently doing.
>
---------------------------------------------------------------------
To unsubscribe, e-mail: tuscany-dev-unsubscribe@ws.apache.org
For additional commands, e-mail: tuscany-dev-help@ws.apache.org