Commits on Oct 3, 2018

1. Fix EP index queries consistency …

   EPs equipped with predicates are trying to utilize global indexes to
   narrow down the key set to operate on. This change fixes the following
   problems:
   
   1. There were no migration stamp validations performed to prevent EPs
   from operating on stale index data (original fix and idea by Matko).
   
   2. We were not producing WrongTargetException for out-migrated
   partitions, as a result the caller (InvokeOnPartitions) was not retrying
   EPs on such partitions.
   
   3. Partition scope provided to PartitionIteratingOperation was not
   respected. As a result, operations produced by factories providing
   their own partition sets were running on more partitions than expected.
   By a lucky coincidence all affected factories were producing idempotent
   operations, so that was affecting only the performance.
   
   (cherry-picked from 4014d72)
   
   Fixes: https://github.com/hazelcast/hazelcast-enterprise/issues/2277

   

   mmedenjak authored and taburet committed Oct 3, 2018
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