Question

case study:

Several types of employees work for Tevbar Transportation. Drivers have to have a trucking license which is current, i.e. the expiry date has not yet passed. Loaders, who load each shipment with parcels, must have current WHMIS training (expiry date has not passed), and wrappers, who wrap each parcel, must not only have current WHMIS training but must have a current police check. Every week the Tevbar manager, Cecilia, fills out a weekly hours log to log the hours worked for each employee—the information is stored in the database.

Cecilia also prints off weekly performance reports for employees once the logs have been entered:

• The driver’s report shows driver id, name and contact phone as well as trucking license number, date issued and expiry date. The report must also show number of hours worked that week.
• The loader’s report shows loader id, name and contact phone as well as date of WHMIS training, the level of the WHMIS training (levels are “beginner”, “administrator”, “supervisor” and so on) as well as date of WHMIS training and expiry date. The report must also show number of hours worked that week.
• The packer’s report shows packer id, name and contact phone as well as date of WHMIS training, the level of the WHMIS training (levels are “beginner”, “administrator”, “supervisor” and so on) as well as date of WHMIS training and expiry date. Each packer requires a current police check so the report also shows the police check id, date and expiry. The report must also show number of hours worked that week.

Cecilia is also able to input a start date, an end date, an employee id and view all work logs for that employee for the time frame entered.

TO DO:
Create a domain class diagram for the above case study. Show associations, generalizations, attributes, reference attributes, multiplicity, association names.

Answer 1

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