How to Build a Business Rules Engine

Thus, batch processes tend to need business process steps to work with the

tables containing these child records. This adds to the business process steps

associated with batch processes, and thus increases the number of rules that are

needed for batch processes.

In this chapter the ways in which business rules operate within batch processes

will be considered. The example used will be a batch business process step associated

with the Investment screen. This business process step is called Calculations after

Investment Screen Update and is run after any record has been updated on the Invest-

ment screen. This business process step is not concerned with the record that the user

has just updated, but with all records in the Investment table.

From now on ...