I haven't gone into supporting type variables, hence I don't perform type capturing or inference yet, although I would be interested in adding this. For an example of what is currently implemented, the following are from the tests:
Number <: Integer Object <: Integer List <: List<Integer> Collection<Integer> <: List<Integer> Collection<Integer> <: ArrayList<Integer> List<Integer> !<: Set<Integer> List<Number> !<: List<Integer> List<?> <: List<Integer> List<? extends Number> <: List<Number> List<? extends Number> <: List<Integer> List<? extends Number> !<: List<Object> List<? super Number> <: List<Number> List<? super Number> <: List<Object> List<? super Number> !<: List<Integer> List<Integer> <: IntegerArrayList Let me know if you find any existing libraries since I use this in my other projects. If there's nothing out there then open-sourcing this would stop people from having to reinvent the wheel. Cheers, Mark 2009/1/29 Emmanuel Bernard <emman...@hibernate.org>: > If I can't find an other alternative that would surely be of help yes :) > > Do you know how much of the subtype rules you have implemented? > > The one that sounded non trivial to me were around detecting that generic > are supertypes of others: > - containment and equivalence > - capture conversion > - intersection types > - management of bounds > (using the language of the JSL) > > > On Jan 29, 2009, at 05:49, Mark Hobson wrote: > >> I've written a small utility library that provides methods to work >> with Types, specifically it contains such a method isAssignable(Type >> supertype, Type type) that should satisfy your requirements. >> >> I've been considering open-sourcing it so would be happy to do so if >> you were interested? >> >> Cheers, >> >> Mark >> >> 2009/1/29 Emmanuel Bernard <emman...@hibernate.org>: >>> >>> Specifically a routine like >>> boolean isSuperType(Type super, Type, sub); >>> note Type, not Class<?> >>> >>> On Jan 28, 2009, at 21:22, Emmanuel Bernard wrote: >>> >>> >>> http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.10 >>> >>> Subtyping >>> >>> I am looking for an ASL 2 / BSD implementation of the subtyping >>> resolution >>> algorithm in Java. >>> >>> I am thinking Harmony might have one. >>> >>> Anybody knows? >>> >>> _______________________________________________ >>> hibernate-dev mailing list >>> hibernate-dev@lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/hibernate-dev >>> >>> >>> _______________________________________________ >>> hibernate-dev mailing list >>> hibernate-dev@lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/hibernate-dev >>> >>> > > _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev
