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Re: [equinox-dev] Multiple bsnversion in equinox

Yes this is correct. Where the bits are located on disk has no influence on if the installation of the bundle is considered unique or not. The location string is treated as opaque by the framework when determining if the installation location is unique or not.

Tom



Inactive hide details for "Todorova, Katya" ---06/24/2011 11:13:33 AM---So location uniqueness is based on simple string compar"Todorova, Katya" ---06/24/2011 11:13:33 AM---So location uniqueness is based on simple string comparison?


From:

"Todorova, Katya" <katya.todorova@xxxxxxx>

To:

Equinox development mailing list <equinox-dev@xxxxxxxxxxx>

Date:

06/24/2011 11:13 AM

Subject:

Re: [equinox-dev] Multiple bsnversion in equinox




So location uniqueness is based on simple string comparison?
I thought Equinox resolves the string passed as location and compares files to which locations point...  

So you say that if I install ./temp/my.jar and ./temp/../temp/my.jar it will result in two bundles installed and that's the correct behaviour?

Thanks for your help,
Katya


-----Original Message-----
From: equinox-dev-bounces@xxxxxxxxxxx [
mailto:equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of John W Ross
Sent: Friday, June 24, 2011 6:25 PM
To: Equinox development mailing list
Subject: Re: [equinox-dev] Multiple bsnversion in equinox

I'm not sure I understand why you're surprised?

If you install a bundle with the same location and the already installed
bundle is visible to the context, the install will succeed and you will
receive a reference to the already installed bundle. If the already
installed bundle is not visible to the context, the install will fail and
you will receive a BundleException indicating the operation was rejected
by a hook. This will happen regardless of the value of the bsnversion
property because locations must be unique.

If you install a bundle with the same bsn and version as an existing
bundle, and the location is unique, and the bsnversion property is set to
'single', the install will fail and you will receive a BundleException
indicating the bundle is a duplicate. If the bsnversion property is set to
'multiple', the install will succeed and you will receive a new Bundle
object with a unique ID. Whether or not the bit source is the same should
not make any difference as far as I know.

~ John





"Todorova, Katya" <katya.todorova@xxxxxxx>
Sent by: equinox-dev-bounces@xxxxxxxxxxx
06/24/2011 08:27 AM
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[equinox-dev] Multiple bsnversion in equinox






Hi,

I start Equinox with org.osgi.framework.bsnversion=multiple and try to
install one bundle twice:

osgi> install reference:
file:C:\eclipses\eclipse-SDK-3.7RC4-win32-x86_64\eclipse\plugins\com.ibm.icu.source_4.4.2.v20110208.jar
Bundle id is 5

osgi> install initial@reference:
file:C:\eclipses\eclipse-SDK-3.7RC4-win32-x86_64\eclipse\plugins\com.ibm.icu.source_4.4.2.v20110208.jar
Bundle id is 6

The installation is successful even if locations strings are not equal but
resolve to the same file.
Is that expected?

Thanks,
Katya_______________________________________________
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