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Library system
The document outlines the development and evaluation of an object-oriented model for the Dhaka University Library System, detailing various classes and responsibilities for managing library administration, acquisitions, user services, and cataloging. It utilizes Class-Responsibility-Collaborator (CRC) cards to define how different classes will interact and fulfill their duties, including managing donations, orders, and user requests. The authors acknowledge the complexity of the library system and suggest that further revisions may improve the class structure.
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Library system
- 2. SSuubbmmiissssiioonn DDeettaaiillss SSuubbmmiitttteeddTToo:: Mosaddek Hossain Kamal Associate Professor SSuubbmmiitttteedd BByy:: Iffat Anjum Roll: 16 Asma Enayet Roll: 24 Nipa Barua Roll: 34 3rd year. 15th batch
- 3. IInnttrroodduuccttiioonn Here weare trying to develop, discuss, and evaluate object-oriented model of Dhaka university library system that, will handle: The bookkeeping aspects of a library. Administration system of the library. User browsing facilities and circulating. Acquisition of books, manuscript, journals.
- 4. IInnttrroodduuccttiioonn โObject-oriented softwareconstruction is the software development method which bases the architecture of any software system on modules deduced from the types of objects it manipulates.โ (Meyer, 1997) In an object-oriented language, the types of objects are described by classes. These classes should be developed in a way that makes them easy to understand, maintain, and reuse.
- 5. CCRRCC ccaarrddss CRC:Class-Responsibility-Collaborator. CRC cards allow a useful early check that the anticipated uses of the system can be supported by the proposed classes. A responsibility is something a class takes care of; a service the objects of a class provide for other objects. A collaborator is another class "helping" to fulfill a specific responsibility.
- 6. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: AAccqquuiissiittiioonn RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows about requests Request Knows about if there is Donators and donation possibilities donations Knows if there is enough budget Budget Knows about corresponding publishers and distributers Publisher and distributer Allocation of order Order-process Manage received items classification
- 7. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: ppuubblliisshheerrss aanndd ddiissttrriibbuuttoorrss RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows names of publisher and distributors Knows address and contacts Knows their book products Knows their availability
- 8. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: DDoonnaattoorrss aanndd DDoonnaattiioonnss RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows about all donators Area of donations Know about already received donations Types of donations Terms and conditions
- 9. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: RReeqquueesstt RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Receive userโs request Knows Requestor type Member Knows Request subject Subject Check if the requested item exists in the library Catalogue , Manuscript Assign the item if available Librarian If not available go for acquisition Acquisition
- 10. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: OOrrddeerr--pprroocceessss RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows the information of publishers and publisher and distributors, distributor acquisition Place the order Keeps track of ordered item Keeps track of order date Date Keeps track of receive date Date Payment Budget
- 11. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: BBuuddggeett RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Total balance Budget allocation in different area of development and maintenance Finance received from the university Keep track of the finance received by funds and donations Libraryโs internal Income
- 12. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: CCllaassssiiffiiccaattiioonn RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Analysis subject of the Document Knows document type Indentify title and author name Formulate link and identification number Knows if manuscript Manuscript Knows if the physical Physical preparation is done preparation Insert into the catalog catalog
- 13. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: PPhhyyssiiccaall PPrreeppaarraattiioonn RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows if the tagging of the barcode is done Knows if the spinning classification of registration number is done Get the circulation card is printed Knows if the document has placed in shelves Stack management
- 14. LLiibbrraarryy ssyysstteemm CCRRCC CCllaassss:: MMaannuussccrriipptt ccaarrddss RReessppoonnssiibbiilliittyy CCoollllaabboorraattiioonn Keep record of acquired documents through purchase ,gift ,exchange Know the content and preservation conditions Keep records of the Reprography manuscripts that need digitization Periodically backup and restore the contents Date
- 15. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: SSttaacckk MMaannaaggeemmeenntt RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows the document Classification type Define the position Subject, Catalogue Update the holding catalogue records Periodically check if there is any gap Check out the item and record the gap
- 16. LLiibbrraarryy ssyysstteemm CCRRCC ccCCllaaaassrrss::dd ccssaattaalloogguuee RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows documentโs Classification title & author name Knows subject Classification Knows its Classification registration code Knows number of copy available Knows the edition Knows current status Position in the shelves Stack Management
- 17. LLiibbrraarryy ssyysstteemm CCRRCC ccCCllaaaassrrss::dd ssDDaattee RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows current date Can compute new dates Can compare two dates CCllaassss:: LLiibbrraarriiaann RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Search for lendable lendable Check in lendable Lendable, Borrower Check out lendable Lendable, Borrower
- 18. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: LLiibbrraarryy mmeemmbbeerrss RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows name & password Knows registration no Knows faculty & Department department Knows membership type Knows allowed number of loans
- 19. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: LLeennddaabbllee RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows whether item catalogue requested on loan Keeps track of unsatisfied request, notify when available Librarian Knows borrower Library member Knows info of item catalogue Knows the location catalogue Calculates over due Date fine and notify Knows if Checkout Date , Librarian
- 20. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: SSttaaffff RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows Name ,address ,Activity Knows the job and qualification Knows Salary Joining date Date Job duration Date
- 21. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: HHuummaann RReessoouurrccee RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Select eligible staff candidates as per need Shuffle staffs after a certain period of time Staff Monitor performance Staff Keeping information about library planning and its development issues Keep track of the resources that are helpful to administrators or manager
- 22. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: MMaaiinntteennaannccee RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Knows Last binding date Date Knows if binding period Date is over 1 year Report the damage Send reminder to repair the damaged item If damage repaired ,go back to shelves Update catalogue & stacks or go for reprography Catalogue ,Reprography
- 23. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: RReepprrooggrraapphhyy RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Microfilming old newspapers & rare collections Knows if reproduction of documents is needed Digital preservation of documents Update stack and catalogue
- 24. LLiibbrraarryy ssyysstteemm CCRRCC ccCCllaaaassrrss::dd TTsseecchhnniiccaall ssuuppppoorrtt ggrroouupp RReessppoonnssiibbiilliittyy CCoollllaabboorraattiioonn Configure installed software Authentication service Login System monitoring and controlling User profile management Library Member E-resource backup, restoration Maintaining security Software maintenance
- 25. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: DDeeppaarrttmmeenntt RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Name of the department Location of the department Department in which faculty Information about teachers Information about students
- 26. LLiibbrraarryy ssyysstteemm CCRRCC ccaarrddss CCllaassss:: LLooggiinn RReessppoonnssiibbiilliittiieess CCoollllaabboorraattiioonnss Check if valid Member Library members type and name Check if valid password Library members Knows the subject type Knows the language type Search for the resource with given resource name, subject or title catalog
- 27. CCoonncclluussiioonn Being thelargest library in Bangladesh, Dhaka university library system has a very complex structure. We tried our best to define a complete class structure of the library system through the use of CRC cards. There may be some overlapping or fault in the identification of the class structure, further revision and modification can be done to define a complete structure.