Explain the verification and validation walk

Assignment Help Management Information Sys

Reference no: EM13761046

Assignment: Design with UML

Advanced Business Systems (ABS) is a consulting and staffing company providing specialized staffing and consulting services to clients in a variety of different industries. It has offices in major U.S. metro areas and has ongoing relationships with Fortune 500 companies. Its areas of services range from software development and network engineering to geo-information systems. It has fifty (50) plus regional offices in U.S. and five (5) offices in Canada. It plans to expand to other countries in the future.

When an ABS client company determines that it will need a contractor or temporary professional, it issues a staffing request against the contract it had previously negotiated with ABS. The contract manager in ABS reviews the staff request and ensures that the request is valid with its current contract with its client from the database.

-If the request is not valid, the contract manager sends the staffing request back to the client and explains the reasons and asks for the need for starting a new contract.

-If the request is valid, the contract manager will start recruiting requests by putting the request into its staffing database. The staffing request is then sent to ABS placement department.

In the placement department, the placement specialists will check the job requirements and candidates qualifications.

-If there is a qualified candidate, the specialist will notify the candidate and put a note in the database.

-If a qualified candidate cannot be found or not immediately available, the specialist notifies contract managers and recruiting department; the recruiting department starts search outside immediately.'

Write a three to four (3-4) page paper in which you:

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.

Perform and explain the verification and validation walk-through of the package diagram.

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).

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.

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 open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length.

Use at least two (2) quality resources in this assignment.

Reference no: EM13761046

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