Overview

This Function shall be capable of providing the following facilities:

(1) The ability to manage the store of Loading or Unloading Zones Data, which contains data about Loading and Unloading zones plus their associated Holding Zones.
(2) The ability to load into the store the data about each zone (e.g. location, number of places, use restrictions, use guidance) that is provided by the Parking Zone Operator via the Provide Loading/Unloading Zone Operator Interface function.
(3) The ability to update the store with information about bookings for parking places in the zones so that it has access to a coherent and up to date record of the historical, current and forecast use.

Functional Requirements

(a) continuously monitor for receipt of the request un/loading zone status data flow from the Manage Loading or Unloading Zone Bookings function, or either of the data flows containing updated un/loading zone static data or request un/loading zone data from the Provide loading/Unloading Zone Operator Interface function
(b) when first or second data flows in (a) is received, check to see if it contains data to be loaded into the store of Loading or Unloading Zones Data and if it does use the data flow containing load zone use data to do this
(c) when the first data flow is received in (a) , extract the requested data from the store of Loading or Unloading Zones Data using the data flows containing load zone use data and read zone use data and send it to the Manage Loading or Unloading Zone Bookings function in the requested un/loading zone status data flow
(d) when the third data flow is received in (a) , extract the requested data from the store of Loading or Unloading Zones Data using the data flows containing load zone use data and read zone use data and send it to the Provide loading/Unloading Zone Operator Interface function in the data flow containing requested un/loading zone data.

Diagrams

Parent Higher Level Function

• 9.5 Manage Urban Loading Zones

Input logical dataflows

• pscs_read_zone_use_data
• pscs_request_un/loading_zone_data
• pscs_request_un/loading_zone_status
• pscs_updated_un/loading_static_data

Output logical dataflows

• pscs_load_zone_use_data
• pscs_requested_un/loading_zone_data
• pscs_requested_un/loading_zone_status

User needs