Software Engineering Transformations Quiz

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16 Questions

What are the two spaces between design and implementation mentioned in the text?

Model space and code space

Which of the following is NOT one of the 4 different types of transformations mentioned in the text?

System model transformation

In the example provided, what field is pulled up during the refactoring process?

email

What is the new class hierarchy after the refactoring process in the given example?

Player extends User, LeagueOwner extends User

What type of transformation involves creating a new system model based on an existing program in Java?

Reverse engineering

What is the purpose of forward engineering as mentioned in the text?

To transform a model into source code

In the transformed source code, how is the one-to-one association between Advertiser and Account represented?

The Advertiser class has an Account object and the Account class does not have an Advertiser attribute

What is the purpose of the User's 'notify' method in the transformed source code?

To notify the users of any changes

In the transformed source code, how is the one-to-many association between Advertiser and Account represented?

The Advertiser class has a list of Account objects

What does the 'getMaxNumLeagues' method in the LeagueOwner class return?

The maximum number of leagues allowed

In the transformed source code, what does the 'notify' method in the User class do?

Notifies users of any changes

How is inheritance represented in the transformed source code?

Through extending and implementing classes

What is the purpose of the 'setEmail' method in the User class?

To set a new email for the user

What does the 'getAccount' method in the Advertiser class return?

The account object

What does the 'getOwner' method in the Account class return?

The account owner's details

What type of association is represented by a bidirectional many-to-many association?

Many-to-many association

Study Notes

Summary of Transformations and Refactoring

  • Two spaces between design and implementation mentioned are: problem space and solution space.

Transformations

  • Four types of transformations mentioned: renovation, migration, integration, and modernization.
  • NOT one of the 4 different types of transformations is renovation.

Refactoring Example

  • Field pulled up during the refactoring process: email.

Refactored Class Hierarchy

  • New class hierarchy after refactoring: Advertiser -> Account -> User, League -> LeagueOwner -> User.

Transformation Types

  • Type of transformation that involves creating a new system model based on an existing program in Java: modernization.

Forward Engineering

  • Purpose of forward engineering: to create a new system model based on an existing program.

Associations in Transformed Source Code

  • One-to-one association between Advertiser and Account: Advertiser has a reference to an Account object.
  • One-to-many association between Advertiser and Account: Advertiser has a list of Account objects.

notify Method and Inheritance

  • Purpose of the User's 'notify' method: to notify the user of something.
  • notify method in the User class: sends a notification to the user.
  • Inheritance in the transformed source code: the LeagueOwner class inherits from the User class.

Getter and Setter Methods

  • getMaxNumLeagues method in the LeagueOwner class: returns the maximum number of leagues.
  • setEmail method in the User class: sets the email address of the user.
  • getAccount method in the Advertiser class: returns the associated Account object.
  • getOwner method in the Account class: returns the associated User object.

Associations

  • Bidirectional many-to-many association: represents an association between two classes where each instance of one class is related to multiple instances of the other class, and vice versa.

Test your knowledge of software engineering transformations between design and implementation spaces. This quiz covers model transformation, forward engineering, reverse engineering, and refactoring as discussed in Bernd Bruegge & Allen H. Dutoit's book 'Object-Oriented Software Engineering: Using UML, Patterns, and Java'.

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