avoid retreiving/searching a linked object, when there is no object to retrieve ...
authorerickson <erickson@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Wed, 6 Oct 2010 15:01:38 +0000 (15:01 +0000)
committererickson <erickson@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Wed, 6 Oct 2010 15:01:38 +0000 (15:01 +0000)
commitf9fe5b6a07acf007a4f279205ed799bcdc8071c9
tree2cdddae28a03802d13085594cd415a4de12ee7f5
parente96ddeeeb3448a4c05670feeebfd13481ec0d2bf
avoid retreiving/searching a linked object, when there is no object to retrieve (i.e. ident value is null) and silence various warnings by skipping this scenario.  mild variable refactor for easy reading for feeble eyes.

git-svn-id: svn://svn.open-ils.org/ILS/trunk@18205 dcc99617-32d9-48b4-a31d-7c20da2025e4
Open-ILS/src/perlmods/OpenILS/Application/Trigger/Event.pm