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Competing Vendor Extensions to Extension-point [message #265061] Mon, 02 August 2004 10:57 Go to next message
Eclipse UserFriend
Originally posted by: shyjee.us.ibm.com

If a plug-in "A" provides an extension-point "x". And two other plug-ins
"B" and "C" both provide an extension, "bx" and "cx" respectively, to the
extension-point "x". Then is there a way for plug-in "A" to prefer the
extension of "B" over the extension of "C" ?

Or is there a way for one extension to suppress the other extension to the
same extension-point?

This is especially interesting when "B" was provided by one vendor and "C"
was provided by another vendor. Both plug-ins are competing for usage by
"A" to support a single function.

Maybe, I am misunderstanding the purpose of extensions.
any guidance will be appreciated.

thanks,
shyjee
Re: Competing Vendor Extensions to Extension-point [message #265157 is a reply to message #265061] Mon, 02 August 2004 21:39 Go to previous message
Eclipse UserFriend
Originally posted by: chris.eclipsefaq.org

Shyjee Mathai wrote:

> If a plug-in "A" provides an extension-point "x". And two other plug-ins
> "B" and "C" both provide an extension, "bx" and "cx" respectively, to the
> extension-point "x". Then is there a way for plug-in "A" to prefer the
> extension of "B" over the extension of "C" ?

> Or is there a way for one extension to suppress the other extension to the
> same extension-point?

> This is especially interesting when "B" was provided by one vendor and "C"
> was provided by another vendor. Both plug-ins are competing for usage by
> "A" to support a single function.

> Maybe, I am misunderstanding the purpose of extensions.
> any guidance will be appreciated.

> thanks,
> shyjee

The policy lies directly with the publisher of the extension point.

If you read FAQ 87, "How do I find all the plug−ins that
contribute to my extension point?", in Chapter 4 at http://eclipsefaq.org,
you will see how you can pick and choose which extensions to turn into
an executable extension, and which ones to ignore.

Chris
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