[infinispan-issues] [JBoss JIRA] (ISPN-5427) Change getAll to return ordered map

[William Burns (JIRA)]

William Burns created ISPN-5427:
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             Summary: Change getAll to return ordered map
                 Key: ISPN-5427
                 URL: https://issues.jboss.org/browse/ISPN-5427
             Project: Infinispan
          Issue Type: Enhancement
          Components: Core, Remote Protocols
            Reporter: William Burns
            Assignee: William Burns
             Fix For: 8.0.0.Final


Currently our getAll returns a map of entries that exist in the cache in any order.  We could enhance this to return a map where the entries are in the same iteration order of the Set (important when the user uses a LinkedHashSet).  We could even do something like List<V> getAll(List<K>) to show better ordering.

This has 2 immediate advantages.

1. Remote getAll no longer requires to serialize all the keys in the response since it knows which values map to which keys based on what it sent.
2. Query results need ordered List as well. See query/src/main/java/org/infinispan/query/impl/EntityLoader.java



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