Call Number

Call Number of the book copy. This will be a 10 digit numeric field, which must be inputted by the Librarian. If not known, however, the Call Number can be searched using either the ISBN Number or the Title of the Book.

User's ID Number

A unique ID Number for each Customer, which must be inputted by the Librarian. If not known, however, the ID Number can be searched using either the Customer's name (Last, First) or the Customer's phone Number.

• invalid inputs: the Call Number or the user's ID Number was incorrectly entered.
• the book cannot be placed on hold due to it already being reserved.
• the Customer having too many books outstanding (including those on hold).

Pseudo
Code

Hold a Book Window

This window contains text entry fields for: Customer's ID and Call Number of the Book. It also has another text field to display a message.

Buttons present: SEARCH (beside the Customer ID field), SEARCH (beside the Call Number field), CLEAR, OK, CANCEL, HELP, PRINT

SEARCH (beside the Customer ID field)

Performs a search for the Customer's ID based on the search criteria as stated in the 'Searching Customers' section.

SEARCH (beside the Call Number field)

Performs a search for the Call Number of the book based on the search criteria as stated in the 'View Book Copy' section.

CLEAR

Clears the contents in the text entry fields.

OK

Starts processing the holds request using the inputs provided.

CANCEL

Closes the 'Hold a Book' window, and returns the control to the 'Book Administration' window.

HELP

Provides information about this window, the inputs, and the functions each button performs.

PRINT

Prints a report on the held book.