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CallBack Object creation in Host plugin [message #1226953]

Fri, 03 January 2014 01:28

Eclipse User

Hi All
I understand that the host plug-in which defines the extension point should instantiate the callback objects . My question is how does eclipse know which class in the host plug-in is the extension processor ?. Should the extension processor class implement some interface with which eclipse runtime identifies ?. Kindly enlighten on this.

Re: CallBack Object creation in Host plugin [message #1229588 is a reply to message #1226953]

Thu, 09 January 2014 14:34

Eclipse User

Quote:

My question is how does eclipse know which class in the host plug-in is the extension processor ?

To the best of my knowledge: it doesn't.

It's the responsibility of the host plugin to explicitly read and evaluate the registered extensions, which usually starts with a phrase like:

Platform.getExtensionRegistry().getExtensionPoint(MY_PLUGIN_ID, MY_EXTENSION_POINT_ID);

If you search for that code pattern, you should find plenty of examples.

Also look for IConfigurationElement.createExecutableExtension(propertyName)

HTH,
Stephan

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