"Argument set" - how are you going to get different values into the
type? Assuming
class Foo {
@Inject Foo (Bar b, Blah bl) {...}
}
then how will you get different Bars and Blahs into these? Guice will
have one and only one configuration for the above, so you won't get
combinations and permutations, unless you do complex things with scopes.
I think you probably want a memoizing factory of some kind - takes in
the inputs and guarantees only one instance out for a given set of
inputs. This seems outside of the scope of Guice itself, though perhaps
I'm misunderstanding your use case.
c.
On 20 Feb 2014, at 8:36, Francis Galiegue wrote:
Hello,
Hypothesis:
* I have thread-safe classes which I want to create via constructor
injection;
* all arguments to constructors of these classes implement .equals()
and .hashCode().
Can Guice, in a thread-safe way, ensure that only one instance is
created for each "equal argument set"?
--
Francis Galiegue, [email protected]
JSON Schema in Java: http://json-schema-validator.herokuapp.com
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