http://stackoverflow.com/questions/23620483/how-to-bind-factory-into-current-request-scope
explains what I'm trying to do at a high-level.
Gili
On 12/05/2014 6:20 PM, cowwoc wrote:
> Hi,
>
> I am attempting to dynamically bind a value "Foo" to Jersey's
> @RequestScoped scope. When someone invokes getFoo() I invoke the
> following code:
>
> Foo result = serviceLocator.getService(Foo.class);
> if (result == null)
> {
> result = new Foo();
> ServiceLocatorUtilities.bind(serviceLocator,
> new RequestScopedBinder<>(Foo.class, result));
> }
> return result;
>
> where RequestScopedBinder invokes:
>
> bindFactory(new ValueFactory()).to(Foo.class).in(RequestScoped.class);
>
> where ValueFactory is a factory that returns the value passed into
> RequestScopedBinder.
>
> In short, when getFoo() is invoked, I ask ServiceLocator if it has a
> value. If not, I construct one and inject the instance into the
> @RequestScoped scope.
>
> Unfortunately, sometimes serviceLocator.getService(Foo.class) returns
> stale values from previous request scopes. Digging into the code I see
> it gets this value from an internal "cache" before even consulting the
> scope. I'm guessing it's treating the factory value as @RequestScoped
> but not the factory itself.
>
> Is there a way for me to mark the factory as @RequestScoped?
>
> Thanks,
> Gili