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Getting the Eclipse Context for DI [message #553253] Mon, 16 August 2010 20:22 Go to next message
U. Geerds is currently offline U. Geerds
Messages: 10
Registered: July 2010
Junior Member
Hi anybody,

I'm trying to use @Inject values with the ContextInjectionFactory.make(MyClass.class, context). To do this, i need the correct EclipseContext. If the class who calls ContextInjectionFactory.make or .inject, has a injected EclipseContext from the E4, it works fine.

What is right way, to get the EclipseContext from a POJO who isn't created from the E4 and hasn't a injected Context and resides at another Plug-In? It is possible?

I played around with the EclipseContextFactory, who is described at the vogella articles, but i get always a empty or invalid EclipseContext.


Thanks a lot. Uwe
Re: Getting the Eclipse Context for DI [message #553263 is a reply to message #553253] Mon, 16 August 2010 20:59 Go to previous messageGo to next message
Thomas Schindl is currently offline Thomas Schindl
Messages: 5326
Registered: July 2009
Senior Member
You can't. Who is creating the instance? In the end there always have to
be something was instatiated by the e4 platform and you need to pass
through the IEclipseContext from there.

Tom

Am 16.08.10 22:22, schrieb U. Geerds:
> Hi anybody,
>
> I'm trying to use @Inject values with the
> ContextInjectionFactory.make(MyClass.class, context). To do this, i need
> the correct EclipseContext. If the class who calls
> ContextInjectionFactory.make or .inject, has a injected EclipseContext
> from the E4, it works fine.
>
> What is right way, to get the EclipseContext from a POJO who isn't
> created from the E4 and hasn't a injected Context and resides at another
> Plug-In? It is possible?
>
> I played around with the EclipseContextFactory, who is described at the
> vogella articles, but i get always a empty or invalid EclipseContext.
>
>
> Thanks a lot. Uwe
Re: Getting the Eclipse Context for DI [message #553520 is a reply to message #553253] Tue, 17 August 2010 19:00 Go to previous message
Paul Webster is currently offline Paul Webster
Messages: 6859
Registered: July 2009
Location: Ottawa
Senior Member

As Tom asks, "where are you?" :-)

The IEclipseContexts form a hierarchy, with an OSGi lookup context and
the application context at the top. Every other context is created as a
child of the application context. For a given IEclipseContext, it
should be able to create one using createChild(*), no?

Are you controlling your entire IEclipseContext hierarchy (and the
services available) for your own use of DI, or are you trying to operate
within an E4 application?

PW

--
Paul Webster
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