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[buckminster-dev] Plugin dependencies and cspex file [message #21992]

Mon, 21 July 2008 09:53

Eclipse User

Originally posted by: jcampolongo.cra.com

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Looking in the archives, it is clear that Buckminster supports only
specified dependencies (in the manifest.mf file) during its actions.

=20

Hi Ikuo,=20
We are currently looking at how we can improve the Buckminster search
algorithms so that it=20
will be able to find bundles based on a need to import specific
packages. Someone must=20
provide a list of bundles that can be searched for exports that match.
The problem is a bit=20
similar to finding a suitable runtime implementation for something that
implements an=20
interface that you have expressed a dependency towards.=20

The design is not yet finished, so the current answer to your question
is no, we cannot=20
resolve these dependencies today. You will need to add a bundle
requirement or a feature=20
that will bring the providing bundles into the graph somehow in order
for it to build properly.=20

Kind Regards,=20
Thomas Hallgren

=20

Due to this, I decided that I would create a cspex extension file and
add the dependencies directly:

=20

<?xml version=3D"1.0" encoding=3D"UTF-8"?>

<cspecExtension

xmlns:xsi=3D"http://www.w3.org/2001/XMLSchema-instance"

xmlns:bc=3D"http://www.eclipse.org/buckminster/Common-1.0"

xmlns=3D"http://www.eclipse.org/buckminster/CSpec-1.0">

<dependencies>



<dependency name=3D"OSGi_Project" componentType=3D"osgi.bundle"=20

versionDesignator=3D"1.0.0" versionType=3D"OSGi"/>

</dependencies>

</cspecExtension>

=20

Strangely, this doesn't work (the dependency isn't resolved). It still
doesn't work if I add the OSGi_Project to my manifest file as a
dependency. It does work if I remove my extension file and keep the
OSGi_Project in my manifest file.

=20

Is this a bug? Should this work? I note that in the response above,
the solution was not to create an extension file (which seemed the
obvious solution to me, but then, what do I know), but rather to add the
dependency to the manifest or to create a feature.

=20

Joseph Campolongo

Charles River Analytics, Inc.
=20
=20
=20
=20
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<BODY lang=3DEN-US link=3Dblue vlink=3Dpurple>
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<div class=3DSection1>

Looking in the archives, it is clear that Buckminster
supports only specified dependencies (in the manifest.mf file) during =
its
actions.<o:p></o:p>

<o:p> </o:p>

Hi Ikuo, 
We are currently looking at how we can improve the Buckminster search
algorithms so that it 
will be able to find bundles based on a need to import specific =
packages.
Someone must 
provide a list of bundles that can be searched for exports that match. =
The
problem is a bit 
similar to finding a suitable runtime implementation for something that
implements an 
interface that you have expressed a dependency towards. 
 
The design is not yet finished, so the current answer to your question =
is no,
we cannot 
resolve these dependencies today. You will need to add a bundle =
requirement or
a feature 
that will bring the providing bundles into the graph somehow in order =
for it to
build properly. 
 
Kind Regards, 
Thomas Hallgren<o:p></o:p>

<o:p> </o:p>

Due to this, I decided that I would create a cspex =
extension
file and add the dependencies directly:<o:p></o:p>

<o:p> </o:p>

<?xml
version=3D"1.0" =
encoding=3D"UTF-8"?><o:p></o:p>

<cspecExtension<o:p></o:p>

     
xmlns:xsi=3D"http://www.w3.org/2001/XMLSchema-instance"</=
span><o:p></o:p>

     
xmlns:bc=3D"http://www.eclipse.org/buckminster/Common-1.0&quo=
t;<o:p></o:p>

     
xmlns=3D"http://www.eclipse.org/buckminster/CSpec-1.0&quot=
;><o:p></o:p>

     
<dependencies><o:p></o:p>

         
<o:p></o:p>

         
<dependency name=3D"OSGi_Project" componentType=3D"osgi.bundle" <o:p></o:p>

           &=
nbsp; 
versionDesignator=3D"1.0.0" versionType=3D"OSGi" /><o:p></o:p>

     
</dependencies><o:p></o:p >

</cspecExtension><o:p></o:p>

<o:p> </o:p>

Strangely, this doesn’t work (the dependency
isn’t resolved).  It still doesn’t work if I add the
OSGi_Project to my manifest file as a dependency.  It does work if =
I
remove my extension file and keep the OSGi_Project in my manifest =
file.<o:p></o:p>

<o:p> </o:p>

Is this a bug?  Should this work?  I note =
that in
the response above, the solution was not to create an extension file =
(which
seemed the obvious solution to me, but then, what do I know), but rather =
to add
the dependency to the manifest or to create a =
feature.<o:p></o:p>

<o:p> </o:p>

Joseph Campolongo<o:p></o:p>

Charles River Analytics, =
Inc.<o:p></o:p>

<o:p> </o:p>

<o:p> </o:p>

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<DIV STYLE=3D"FONT-SIZE: 9pt; FONT-FAMILY: Courier New">
THIS MESSAGE IS INTENDED FOR THE USE OF =
THE PERSON TO WHOM IT IS ADDRESSED. IT MAY CONTAIN INFORMATION THAT IS =
PRIVILEGED, CONFIDENTIAL AND EXEMPT FROM DISCLOSURE UNDER APPLICABLE =
LAW. If you are not the intended recipient, your use of this message for =
any purpose is strictly prohibited. If you have received this =
communication in error, please delete the message and notify the sender =
so that we may correct our records.
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