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DCB Resource-Sharing Glossary

  • System: an ILS/host platform. One System may host many Agencies/Libraries.
  • Agency: DCB's participating Library. Internal invariant: agencyCode == libraryCode.
  • Library: the consortium-facing institution representation of an Agency; not a System.
  • Location ID: DCB's globally unique Location UUID.
  • Local location code: a code meaningful only within a System. Values such as MAIN may repeat.
  • Patron home location: the patron's local home-library/location code at their System.
  • Pickup location: the selected DCB Location. Legacy DCB placement accepts its Location UUID in pickupLocation.code; new facades should resolve a clear public identifier to that UUID.
  • Request status: the request's current workflow state, including terminal cleanup state FINALISED.
  • Request outcome: the independent business result: SUPPLIED, NOT_SUPPLIED, CANCELLED, or UNKNOWN when historical or manual cleanup evidence is insufficient.

External ILS, NCIP, and library practitioners may use agency, library, branch, site, institution, and system differently. Translate that vocabulary in adapters and facade documentation; do not conflate the internal concepts.

Example: Systems system-a and system-b may both expose local code MAIN; the System qualifies that code. A shared System may host library-a and library-b, but its local location codes must still resolve uniquely within that System. Facades must reject ambiguous imported data before calling DCB.