Hi all,
the Guice documentation for the Binder class states that "*Guice cannot
currently bind or inject a generic type, such as Set<E>; all type
parameters must be fully specified.*"
Is there any remedy for this limitation in sight?
What I'm trying to do is the following:
A common source of unwanted coupling is introduced by using specific
implementations of collection types or other generic types, for example
Map<String, Integer> elements = new HashMap<String, Integer>();
which ties the code to a specific implementation (HashMap, in this case).
Let's say that depending on my deployment scenario I might want to use GNU
Trove classes like THashMap instead.
However, rather than hard-coding the implementing class in my code, I would
like to write
@Inject Map<String, Integer> elements;
and have Guice take care of the rest. I obviously don't want to create
bindings specifically for maps from String to Integer, but for maps in
general.
There might also be additional annotations to specify implementation
preferences, for example
@Inject @Identity Map<String, Integer> elements; // requires
IdentityHashMap or similar
@Inject @Synchronized @Linked Map<String, Integer> elements; //
requires a synchronized LinkedHashMap or similar
Is support for features like this planned for a future release of Guice? Or
is there a way to do this already?
Thanks,
Mirko
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