Posted: 26 May 2015 9:27 EDT Last activity: 24 Jun 2015 7:44 EDT
Missing classes in heirarchy
Recently during migration we had some classes missing due to which we were seeing issues. Wanted to understand how pega would handle missing classes. If say TOP-FOO- is missing between TOP- and TOP-FOO-XYZ.
Thanks in advance for a quick reply.
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Although I am not from pega company, just wanted to mention few things since it is a intresting tricky question.
Firstly pega does not force you to have class TOP-FOO- to have a class TOP-FOO-XYZ. So really pattern inheritance does not search TOP-FOO- is present or not when we reference a rule with class TOP-FOO-XYZ. If TOP-FOO- is missing the next level in pattern inheritance for TOP-FOO-XYZ is TOP-.
If the class mentioned in the direct inheritance of a class definition is missing, we can expect exceptions at run time and design time. but direct inheritance failure occurs only when the rule resolution searches for a rule in direct inheritance path.
Also, since applications have rules scattered across different class layers, as you mentioned failures are expected :)