Comment 19 for bug 1103942

Reviewed: https://reviews.mahara.org/2530
Committed: http://gitorious.org/mahara/mahara/commit/d88b94001ec9980536f278cadd5fe827e32f95cb
Submitter: Aaron Wells (<email address hidden>)
Branch: master

commit d88b94001ec9980536f278cadd5fe827e32f95cb
Author: Aaron Wells <email address hidden>
Date: Thu Sep 26 17:05:48 2013 +1200

Undoing changes to the ArtefactTypeResumeComposite class signature

Bug 1103942: Resume attachments included two unnecessary changes to
the ArtefactTypeResumeComposite class which will break dependent code.

First, it added a new abstract function. This will cause any file
that contains a subclass that hasn't implemented that abstract function
to error out. So I'm providing a sensible default implementation
instead of making the function abstract.

Second, it adds a Pieform as the first parameter to ensure_composite()
to make it print Pieform errors. New parameters should always be added
as the last parameter to a function, with a default value, so that
existing calls to the method will still work. Additionally, there's
no need for the Pieforms logic to be in that call, since this function
is often used in a non-Pieforms context. I've refactored out the need
for that parameter.

Change-Id: I48b1f2375def6ed6aafdac389fcbb120ad04d359
Signed-off-by: Aaron Wells <email address hidden>