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Overview
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Overview

JTF_REGION_PUB is a public PL/SQL package in the APPS schema that provides the runtime region-resolution layer for the Oracle E-Business Suite personalization and extensibility framework. The region concept is the central building block of the AK (Application Kit) infrastructure that underpins Oracle's Self-Service and framework-based products, and JTF_REGION_PUB exposes the APIs through which forms, OAF pages, and framework components obtain the region definitions, region item lists, and attribute metadata they render at runtime. The package is classified as a public API (API classification: PUB), which means it is intended for supported, direct invocation by customer and partner extensions rather than being an internal-only utility. In the ETRM 12.2.2 lineage it is reported VALID and is referenced by three other database objects, confirming its role as a shared dependency within the availability and personalization stack rather than an isolated utility. Its responsibilities include resolving which regions apply to the current user context, retrieving individual region and region item definitions, and evaluating the query predicates that drive attribute-driven region behaviour, including responsibility-based variation.

Key Procedures and Functions

The documented interface comprises five procedures and functions:

  • EVER_VARIES_BASED_ON_RESP_ID — Determines whether a region's attribute content or display varies according to the current responsibility identifier. This supports responsibility-sensitive personalization, where the same region may render differently for different users based on the active FND_RESPONSIBILITY context.
  • GET_REGIONS — Returns region definitions relevant to the calling context, typically used to enumerate the set of regions available for a given application or object.
  • GET_REGION — Retrieves a single region definition, used when a caller knows which region it requires and needs its metadata.
  • GET_REGION_ITEM_NAME — Resolves the display name of a specific region item, allowing callers to obtain labels and captions without querying the underlying region item views directly.
  • AK_QUERY — Executes or builds the query that drives dynamic region content, delegating to the shared AK query engine. This is the mechanism by which region items are filtered against excluded items and object attribute rules.

No parameter signatures are documented in the ETRM metadata; callers should verify exact argument lists against the live package specification before use.

Tables Accessed

The package operates primarily against the AK region framework tables, reached through APPS synonyms. It queries AK_REGIONS_VL for region header definitions and AK_REGION_ITEMS and AK_REGION_ITEMS_VL for the items belonging to each region, including their translated display names. AK_OBJECT_ATTRIBUTES supplies attribute metadata for the objects that regions expose, while AK_EXCLUDED_ITEMS identifies attributes suppressed under given conditions. FND_APPLICATION and FND_RESPONSIBILITY provide the application and responsibility context needed for responsibility-based variation, and DUAL and the PL/SQL table type PLITBLM support internal computation and bulk collection handling. The package does not appear to write to these tables; its role is predominantly read-oriented resolution and query assembly.

Usage Notes

JTF_REGION_PUB is normally invoked indirectly. Framework-based forms and OAF regions call into it to populate region item lists, resolve labels, and evaluate responsibility-dependent visibility during page rendering. Concurrent programs and diagnostic utilities may call GET_REGIONS or GET_REGION to audit region configuration. Custom code that needs to reproduce framework behaviour — for example, a bespoke JSP or OAF extension that must render the same region items as the standard page — can call the public procedures directly, treating the package as a supported API. Because the package depends on AK_QUERY_PKG and the AK region views, customizations should avoid modifying those base objects, and developers should confirm signatures against the current package specification since the ETRM metadata documents procedure names and purpose only, not parameter lists. As the package is not referenced by any database object in the reverse dependency report, it forms a terminal node in the dependency graph, reinforcing its role as a consumer-facing API rather than an internal implementation detail.