Function Points FAQsQueue Files |
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Are Queue Files viewed as a business requirement or an implementation issue?
Work Management systems commonly assign Work Orders/Requests/Faults to physical queues. These queues may relate to assigned Priority or the type of worker who will undertake the assigned work. Work Orders can be transferred between queues, for example, if the assigned Priority is escalated. A queue represents a list of items that have a particular status value. Queues are often viewed by different groups of users and contain different information. Should queue files be counted as separate ILFs? GENERAL DISCUSSION AND RESOLUTION
Files: Internal Logical Files Where they exist the following may be counted as ILFs:
Queues are not to be counted as separate logical files where they are simply represented by a status flag on the main Work Order/Fault record. Where all queue sub-types have essentially the same DETs, count only one queue file. Transactions: External Inputs Where they exist, the following may be counted as EI's
Note: Where multiple queues exist, multiple transfer transactions may be counted if different logical processing can be demonstrated. The transfer function involves the deletion of the record details from one queue file and the addition of the record details to another queue file. This is counted as one elementary process as the two must occur together for the transaction to be considered complete, and for the business of the system to be left in a consistent state. All of the above transactions also update the Work Order/Fault file to indicate the queue to which the Order now belongs. Transactions: External Outputs, External Enquiries Where they exist, the following may be counted as EOs and EQs
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