The recruiting department normally has thirty( 30) days to find an outside candidate and send the qualified candidates to the placement department to review. If an internal qualified candidate is confirmed with his / her availability, the confirmation will be sent to the arrangement department. In the arrangement department, the candidate works with the specialists to further confirm the placement details, such as starting date, location, compensation( e. g., per diem), and travel arrangement. The final confirmation will be sent to the client along with a billing schedule. If the client agrees with the arrangement, he / she acknowledges the arrangement with contract managers in the contract department. The contract manager then puts a memo into its database and closes the request.
Note: You may create and / or assume all necessary assumptions needed for the completion of this assignment.
Write a three to four( 3-4) page paper in which you:
1. Create a package diagram of the problem domain layer using the communication diagrams and the CRUDE matrix through the use of graphical tools in Microsoft Word or Visio, or an open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length.
2. Perform and explain the verification and validation walk-through of the package diagram.
3. Create a set of invariants for attributes and relationships and add them to the CRC cards for each class in the structural model using Object Constraint Language( OCL).
4. List the classes in the structure model. Choose one( 1) class and create a contract for each method in that class. Note: Be sure to use OCL to specify the preconditions and the post conditions.
5. Create a method specification for each method using both structured English and activity diagram for the algorithm specification through the use of graphical tools in Microsoft Word or Visio, or an