[jbosscache-issues] [JBoss JIRA] Created: (JBCACHE-1418) Expose locality of data for partitioned caches

[Manik Surtani (JIRA)]

Expose locality of data for partitioned caches
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                 Key: JBCACHE-1418
                 URL: https://jira.jboss.org/jira/browse/JBCACHE-1418
             Project: JBoss Cache
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
          Components: Replication
            Reporter: Manik Surtani
            Assignee: Manik Surtani
             Fix For: 3.2.0


After we implement a distributed cache based on partitioning, JBCACHE-61, we should also expose a mechanism to locate data within a cluster, to help compute grid products like FishFarm (https://fishfarm.dev.java.net/) and GridGain (http://www.gridgain.org).  Perhaps something like:

DataLocator dl = Cache.getDataLocator(); // return a null if not using a partitioned cache?  Or a specialized DataLocator that statically assumes a fully replicated cache or a local cache depending on cache mode?
List<Address> addresses = dl.locate(myFqn); // locate single fqns.  Return a list of addresses since it may exist on > 1 node
Map<Fqn, List<Address>> as = dl.locate(fqn1, fqn2, fqn3); // locate multiple fqns






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