tobias.lan...@informatik.stud.uni-erlangen.de wrote on 05/30/2012 08:16:10
AM:
> my question is whether there is the possibility to create
> place specific static objects (or something like that) of a
> class.
> Let's say I have two places "a" and "b" and a class "foo" with
> a static member "bar". When I now call foo.bar from place a,
> I want a different (local) object than by calling foo.bar from
> b.
>
Hi,
In X10, the initialization expression for a static field is evaluated
in place 0, and the resulting value is then serialized to all other places.
Because objects are copied when serialized, if your static field's
initialization expression creates an object this will result in each place
having a distinct object stored in its local copy of the static field.
For example
class Foo {
static val myMap:HashMap[String,String] = new HashMap
[String,String]();
}
The myMap field in place N and place M (N != M) will refer to different
HashMap objects.
--dave
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