atlasapi/atlas-persistence — pull request #88 by tfm (2013-07-08 12:58:09+00:00)
Title: Maintain references and equivalences of existing people when updating.

Previously we were always calling PersonStore. createOrUpdatePerson() with a prototype person the first time a person was seen during the lifetime of the JVM. This had two unsavoury side-effects: removing existing content references, and removing explicit equivalences that had previously been written.