FYI --- as usual, one can use x10.lang.GlobalRef to ensure that the
static fields at all places share a reference to a single object at
place 0 (if that's what one wants instead).
class Foo {
static val myMap = GlobalRef(new HashMap[String,String]());
}
On 5/30/2012 12:17 PM, David P Grove wrote:
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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