I am trying to scope out the requirement for the static field replication. Here are what I
have:
1. Create a @Replicatable field annotation so user can annotate the POJO to designate the
static field for replication, e.g.,
| @org.jboss.cache.pojo.annotation.PojoCacheable
| public class POJO
| {
| @org.jboss.cache.pojo.annotation.Replicatble
| public static int someStaticVar;
|
| ...
| }
|
such that POJO.someStatic=10 will trigger the replication.
2. Only support the static variable of either Primitive or Serializable. I.e., can't
support another "aspectized" POJO.
3. The fqn name for the static field varialbe is global and is known a priori, e.g., in
the above case, someStaticVar will be stored under:
/__JBoss_Static_/POJO/someStaticVar
4. The static variable will be stored under the cache during POJO initialization (even
when no POJO has not been put into the cache yet!)
5. And finally, there can be only ONE PojoCache instance per VM! This is needed to follow
the normal Java semantics. Furthermore, if we have multiple cache instances, which cache
instance are we going to store the static variables under?
Of course, the last requirement is more restrictive and more importantly make the unit
testing difficult.
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