Ruleset validation is being performed each and whenever a rule is saved. It ensures that referenced rules are accessible on the target system when the ruleset is advanced.
Ruleset validation doesn't influence rule resolution at the run time however it is applied at design time.
Activity-End method?
Use the Activity-End method to cause the system to End the current activity and all calling activities.
Pega Rule Circumstance
A circumstance is an optional qualification available for all rules. Using a circumstance allows our application to support multiple variants of a rule. For example, variations of an ordinary rule instance can be created for different customer status levels or for different geographic locations.
Rule Availability:
How to change Rule
Availability?
To
change the availability setting of a rule, click the Availability toolbar
button ().
We
may need to check out the rule first. A dialog box appears.
Select
one of five Availability values
Yes, No,/Draft Mode, Blocked, Final, Withdrawn.
Creates a new work object (without any cover work object) and performs a Commit method, which saves the work object and releases all locks.
Use Work-.and work rather than Work-. Add in situations where the Commit method is not wanted until later.
Creates a new cover work object but does not perform a Commit method, so current locks are retained.
Use Work-.AddCovered rather than Work-.AddCoveredWork to commit the new work object.
Called by harness processing to create a (non-covered) work object and display the work object form.
Called by harness processing to create a covered work object and display the work object form.
more on activities Activity Full understanding
Pega Decision rules:
Decision
Rules categorized into:
When condition rule
Decision tree rule
Decision table rule
Map value rule
Explain about WHEN condition rule?
Declarative:
The declarative rule is an instance of a class derived from
Rule-Declared-
They allow for automatic processing of Property values.
No need to be called explicitly.
No need to run sequentially.
The system manages re-evaluation when it detects a change.
What is a clipboard and how
it is organized?
Each connected Process Commander Requestor has an associated temporary memory area on the server known as the clipboard. The clipboard has a hierarchical structure, consisting of nodes known as pages, most of which have a name and an associated class. Pages act as buffers or temporary copies of object instances (of that class) that are copied from, or may later be stored in, the PegaRULES database or another database.