library_analysis.md~

来自「数据结构及算法 对于参加ACM的学生有一定帮助 里面有详细的解答」· MD~ 代码 · 共 61 行

(object Petal
    version    	40)

(object Design "Logical View"
    is_unit    	TRUE
    is_loaded  	TRUE
    file_name  	"D:\\UML CD 1.1\\CD-ROM\\Case Study\\Analysis\\Library_Analysis.mdl"
    quid       	"33F21ECC0316"
    defaults   	(object defaults
	rightMargin 	0.250000
	leftMargin 	0.250000
	topMargin  	0.250000
	bottomMargin 	0.500000
	pageOverlap 	0.250000
	clipIconLabels 	TRUE
	autoResize 	TRUE
	snapToGrid 	TRUE
	gridX      	31
	gridY      	31
	defaultFont 	(object Font
	    size       	10
	    face       	"Arial"
	    bold       	FALSE
	    italics    	FALSE
	    underline  	FALSE
	    strike     	FALSE
	    color      	0
	    default_color 	TRUE)
	showMessageNum 	3
	showClassOfObject 	TRUE
	notation   	"Unified")
    root_usecase_package 	(object Class_Category "Use Case View"
	quid       	"335A5B5C012E"
	documentation 	
|This system is a support system for a library, where books and magazines can be borrowed or reserved by borrowers.
|The system may be extended with a number of facilities. These facilities are described as separate exercises, to be done by the reader.
|The use-case view shows how the actors (librarian, persons and other libraries) will use the system being built.
|
	
	exportControl 	"Public"
	global     	TRUE
	logical_models 	(list unit_reference_list
	    (object Class "Borrower"
		attributes 	(list Attribute_Set
		    (object Attribute
			tool       	"ReportGen"
			name       	"GenerateFlag"
			value      	"FALSE"))
		quid       	"335A5C230082"
		documentation 	"A borrower can loan and reserve books and magazines. The borrower can be a person or another library. "
		stereotype 	"Actor")
	    (object Class "Librarian"
		quid       	"335F8D5E01FE"
		documentation 	"The actor who actually work with the computer system. The librarian maintains the system by adding and deleting titles, items and borrowers, and also performs the key functions such as lending and returning items, reserving titles, and giving out information about the data stored in the system. The functions are performed on behalf of the borrower actor."
		stereotype 	"Actor")
	    (object UseCase "Lend item"
		quid       	"335A5C230052"
		documentation 	
|If the borrower has no reservation:
|