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.CLASS.......: Loan
.OBJECT_TYPE.: RELATIONSHIP model process
.CHAR_30_NAME: Loan
.PLATFORMS...: SYBASE
.DESCRIPTION.:
A loan is the lending of a particular physical copy of an item. to a member of the university.

.COMPOSITION.:
item_id &item_id
copy_id &copy_id
;[endpk]
member_id &member_id
loan_date &date_day


.PROCESS_DIAGRAM: (LOAN)
Refreshed from file: process\loan-class.pdd
Diagram created 2001-03-24 at 11:32pm by Ferg_S
            _________
           |         |
           |  LOAN   |
           |_________|
     ___________|___________
 ____|____  ____|____  ____|____
|         ||         ||         |
| <start  ||possible ||  <end   |
|  loan>  ||renewals ||  loan>  |
|_________||_________||_________|
                |
            ____|____
           |        *|
           | <renew  |
           |  loan>  |
           |_________|

.PROCESS_EVENTS:
start_loan
renew_loan
end_loan