Chapter 18, Problem 18.6E

Explanation of Solution

Input and output messages for Maintenance services in UML notations:

The input and output messages for the following maintenance services in UML notations are mentioned below:

• Getjob Operation:
  • Input: “JobID, JobPriority and JobLocation” where size (JobID)<6 and JobPriority>0 and JobLocation must be a valid city.
  • Output: “JobType and JobDescription” where size (JobType=20) and size(JobDescription=50).
• SuspendJob Operation:
  • Input: “JobID and JobLocation” where size (jobID) =6 and JobLocation must be a valid city.
  • Output: “JobID and JobSuspend” where where size (jobID)=6 and size(JobSuspend=3).
• CompleteJob Operation:
  • Input: “JobID and JobPriority” where size (jobID) =6” and size (JobPriority) =3.
  • Output: “JobID and JComplete” where where size (jobID) =6 and size (JComplete=3).

Input and output messages for Logging services in UML notations:

The input and output messages for the following logging services in UML notations are mentioned below:

• addRequest Operation:
  • Input: “ServiceID, NoService and ServiceType” where size (ServiceID)=6 and size(NoService)=3 and size(ServiceType)=10.
  • Output: “ServiceID and addDate where where size (ServiceID)=6 and (addDate > today).
• deleteRequest Operation:
  • Input: “ServiceID, NoService and ServiceType” where size (ServiceID)=6 and size(ServiceType)=10 and reqDate msut be valid...