1. Draw a Domain Model using the UML class diagram notation. Show concepts, associations and attributes

2. Create a System Sequence Diagram in the UML notation.

3.How is the system sequence diagram for crud?

Use Case Name

CRUD(Manage hotel membership)

Scope

Level

Primary Actor

Administrator

Preconditions:

Main Success Scenario

Administrator chooses hotel memberships option the from the men to view all memberships of the hotel.

System present membership board.

Extensions

2a- Administrator want to create a new membership.

Administrator select a new membership link on the screen.

System display the screen that contains empty field for a membership. E.g, hotelname,related employee and other related information.

Administrator fills the related empty fields and clicks save button.

System creates membership and display a notification message to inform that the operation is completed successfully.

2-3a- Administrator wants to cancel the operation.

User clicks Cancel.

System cancels the operation and directs the user to the main Membership Board page.

2b- Administrator wants to modify an existing hotel membership.

Administrator selects Edit link, which is near the membership that the wants to update.

System display the screen containing.

Administrator then edits the individual fields and clicks Save button.

System updates the changes for the selected membership.

2-3a- Administrator wants to cancel the operation.

Administrator clicks Cancel.

System cancels the operation and directs the administrator to the main Membership Board page.

2c- Administrator want to delete an existing membership.

Administrator selects Delete link, which is near the grade item that he wants to delete.

System display a dialog box that prompts the administrator to confirm deleting this particular membership.

The administrator then clicks OK button to verify the operation.

System removes the selected membership from the membership board.

2o- Administrator wants to cancel the operation.

Administrator clocks Cancel.

System cancels the operation and directs the administrator to the main Membership Board page.

Post conditions:

According to operation selected.

The membership board with membership is iested.

A new membership is added to the memebership board.

The selected membership is updated.

The selected membership is deleted.

Use Case Name	CRUD(Manage hotel membership)
Scope
Level
Primary Actor	Administrator
Preconditions:
Main Success Scenario	Administrator chooses hotel memberships option the from the men to view all memberships of the hotel. System present membership board.
Extensions	2a- Administrator want to create a new membership. Administrator select a new membership link on the screen. System display the screen that contains empty field for a membership. E.g, hotelname,related employee and other related information. Administrator fills the related empty fields and clicks save button. System creates membership and display a notification message to inform that the operation is completed successfully. 2-3a- Administrator wants to cancel the operation. User clicks Cancel. System cancels the operation and directs the user to the main Membership Board page. 2b- Administrator wants to modify an existing hotel membership. Administrator selects Edit link, which is near the membership that the wants to update. System display the screen containing. Administrator then edits the individual fields and clicks Save button. System updates the changes for the selected membership. 2-3a- Administrator wants to cancel the operation. Administrator clicks Cancel. System cancels the operation and directs the administrator to the main Membership Board page. 2c- Administrator want to delete an existing membership. Administrator selects Delete link, which is near the grade item that he wants to delete. System display a dialog box that prompts the administrator to confirm deleting this particular membership. The administrator then clicks OK button to verify the operation. System removes the selected membership from the membership board. 2o- Administrator wants to cancel the operation. Administrator clocks Cancel. System cancels the operation and directs the administrator to the main Membership Board page.
Post conditions:	According to operation selected. The membership board with membership is iested. A new membership is added to the memebership board. The selected membership is updated. The selected membership is deleted.