Pearson eText for Software Engineering -- Instant Access (Pearson+)
Pearson eText for Software Engineering -- Instant Access (Pearson+)
10th Edition
ISBN: 9780137503148
Author: Ian Sommerville
Publisher: PEARSON+
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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...

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