Yeah that works nicely, thanks!
On Oct 23, 6:43 pm, "Robbie Vanbrabant" <[EMAIL PROTECTED]>
wrote:
> Maybe the AssistedInject extension does what you
> need:http://code.google.com/p/google-guice/source/browse/#svn/trunk/extens...
> Clarification:http://publicobject.com/2007/06/assistedinject-easier-way-to-help-gui...
>
> Robbie
>
> On Fri, Oct 24, 2008 at 12:29 AM, Incognito <[EMAIL PROTECTED]>wrote:
>
>
>
> > Bob,
>
> > This assumes that by the time you perform your chaining, you've
> > already created an Injector. What if I want to specify a Provider
> > inside a module even before I've created any injector for the first
> > time?
>
> > Essentially, my problem is this:
>
> > class FooWrapper {
> > private final Dependancy1 dependancy1;
> > private final Dependancy2 dependancy2;
> > private final RuntimeDependancy runtimeDependancy;
> > [EMAIL PROTECTED]
> > public FooWrapper(...) {
>
> > }
> > }
>
> > So the first two depenancies I know at compile time but the third is
> > only known at runtime.
>
> > Furthermore, the creation of FooWrapper is something that I want to
> > configure INSIDE Bar:
>
> > class Bar {
> > private final FooWrapper fooWrapper;
> > [EMAIL PROTECTED]
> > public Bar(FooWrapper fooWrapper) {
> > this.fooWrapper = fooWrapper;
> > }
>
> > public Foo createFoo(RuntimeDependancy runtimeDependancy) {
> > return new FooWrapper(..., ..., runtimeDependancy); // <== heres
> > the problem
> > }
> > }
>
> > So, what I'd effectively like to do is have guice inject only part of
> > the dependencies at start-up and allow me to provide another component
> > at runtime. Conceivably, something like a provider that takes
> > arguments:
>
> > RuntimeProvider<T> {
> > <T> get(Object ... args);
> > }
>
> > This would allow me to implement Bar as follows:
>
> > class Bar {
> > private final FooWrapper fooWrapper;
> > [EMAIL PROTECTED]
> > public Bar(FooWrapper fooWrapper) {
> > this.fooWrapper = fooWrapper;
> > }
>
> > public Foo createFoo(RuntimeDependancy runtimeDependancy) {
> > return runtimeProvider.get(runtimeDependancy);
> > }
> > }
>
> > This way, I could wire up everything inside my modules and still have
> > only 1 injector, and not have to do anything after the first injector
> > is created...
>
> > Is there anyway to do this with guice currently?
>
> > Nathan
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