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411 समाचार
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded

411 REFERENCE · Wikibooks

XRX/Business Rules Template

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

Motivation You want to create a simple "rules editor" that allows non-programmers to maintain simple business rules for an application. Method Business rules are expressed as a set of conditional statements. Each conditional statement has two parts: a condition and an action. For example, the following is a simple business rule that can check the validity of a date: IF (TransactionDate > currentDate()) THEN ERROR, MESSAGE="Transaction date must be in the past" The if portion of the rule tests to see if the transaction date is larger than the current date. If it is, then the date is not in the past. The submission of the form data is rejected, and a useful error message is returned to the user. One of the best examples of a simple rule editor is an email rules editor. This is usually set up as a template such as the following: To be done... Back: Product Ratings • Next: Metadata Shopper