LocalSession#sessionData should return previous values on update/remove

Description

If the operations that modify content of LocalSession#sessionData would return previous values (as the Map interface does) then there's less need for outside synchronization to keep certain modifications thread-safe.

Environment

None
Fixed

Assignee

Guus der Kinderen

Reporter

Guus der Kinderen

Labels

None

Expected Effort

None

Ignite Forum URL

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Fix versions

Priority

Minor
Configure