[Opensymphony-oscache] groups usage for a newbie

Thank for the prompt answer.

I have an application that today keeps objects into a hashmap. These objects have a kind of owner being another object.
What I need in the application is to be able to query the full set by a key but also querying a subset of them (those that belong to a parent objet).
In a sense its a kind of partition of the full set.

I thought that groups could be a way to query either on the full set (group="ALL") or by parent(group="parent 1"). May be its a bad usage of groups.

It this helps ?

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