Search Results validate_constraint

Overview

APPS.OE_LINE_PCFWK is a line-level constraint validation package within the Oracle Order Management constraint engine (the "PC" framework, short for Processing Constraints). Its core responsibility is to evaluate whether a given order line operation violates any processing constraint defined for the LINE entity. The package body opens with package-level globals that bind it to the Order Management application (g_application_id := 660) and to the LINE entity (g_entity_id := 2, g_entity_short_name := 'LINE'), establishing the context in which all constraint checks are performed.

The user search term "validate_constraint" maps directly to the procedure Validate_Constraint, which is the workhorse routine declared near the top of the package body. This procedure accepts a constraint identifier (p_constraint_id) and returns several out parameters related to condition evaluation. It iterates over the condition rows stored against the constraint, dynamically constructs SQL strings, and executes the validation packages/procedures assigned to each condition to determine whether the operation is permitted, warned, or blocked.

Key Procedures and Functions

The ETRM metadata documents one public entry point for this package:

• IS_OP_CONSTRAINED — A function that determines whether a given operation against an order line is subject to any processing constraint. It serves as the primary gate that callers use to short-circuit further validation when no constraint applies, and to trigger the full constraint evaluation path when one does.
• Validate_Constraint — Although the ETRM metadata lists only IS_OP_CONSTRAINED as documented, the source excerpt prominently declares Validate_Constraint as a procedure. It receives a constraint identifier and returns counts/indicators describing the conditions and condition groups evaluated, along with an overall x_result flag. Internally it declares a cursor over oe_pc_conditions_v and a record type (ConstraintRule_Rec_Type) to hold each condition's attributes, including the validation package, procedure, template, record set, and scope operator.

Tables Accessed

Per the ETRM metadata, the package references the following APPS synonyms:

• OE_PC_ASSIGNMENTS — Stores which constraints are assigned to which entities/operations; used to resolve applicability.
• OE_PC_CONSTRAINTS — The master definition of processing constraints; used to resolve the constraint being validated.
• OE_PC_EXCLUSIONS — Defines exclusions that suppress or override constraint behavior; consulted during validation.
• OE_PC_CONDITIONS_V — Views the condition rows attached to a constraint (referenced in the source; used by the cursor in Validate_Constraint).

Usage Notes

The package is typically invoked by the Oracle Order Management constraint engine when a user performs an action on an order line in the Order Organizer or Sales Orders form, or when a concurrent program processes order lines. Custom code extending Order Management can call IS_OP_CONSTRAINED to check whether a line is protected before attempting an update, and can rely on the same validation paths used by the standard forms. Because the package builds and executes dynamic SQL from the oe_pc_conditions_v rows, its behavior is entirely data-driven: changing the conditions or the assigned validation package/procedure in the constraint setup changes the runtime validation without code changes. It is not intended to be modified directly; it is a shipped, seeded object and should be treated as read-only in a supported configuration.