tree 537308c16bb73b0efaf697e33a352cbcd7a5d1b5
parent 1d449578ecc8a94a2ff8af4ec94e64a039d4db7e
author Joerg Zieren <zieren@google.com> 1627558947 +0000
committer Joerg Zieren <zieren@google.com> 1627907633 +0000

Add ExternalIdUpsertPreprocessor interface

By default this is not bound and behavior is unchanged. If bound,
ExternalIdNotes calls this before external IDs are upserted. The
preprocessor can do work related to the linked account. It can also
block the operation by throwing an exception.

Change-Id: I7ed895b777e3fc3aca5555729b11cf56d9eb3e32