Structural Design Patterns in Modern C++ - Applying Protection Proxy

The video tutorial explains the implementation of a protection proxy for a repository. It covers creating a pointer to the repository, storing authorized roles, and implementing a constructor and destructor. The tutorial details the development of an isAuthorized method to verify employee access and demonstrates using the proxy to control access based on roles. The video concludes with a class diagram overview, emphasizing the proxy's role in restricting access to the repository.

What is the purpose of storing authorized roles in a class?

• To increase the storage capacity

• To enhance the performance of the repository

• To control which employees can access the repository

• To simplify the code structure

What is the main function of the 'isauthorized' method?

• To initialize the repository

• To add new roles to the vector

• To verify if an employee is authorized to access the repository

• To delete unauthorized roles

How does the proxy class ensure it has the same interface as the real subject?

• By ignoring the real subject's methods

• By using a different programming language

• By implementing the same methods as the real subject

• By using a different set of methods

What should be done if the list of authorized roles is empty?

• Add default roles automatically

• Ignore the authorization check

• Throw an exception or print an error message

• Proceed with the operation

What happens if an unauthorized employee tries to access the repository?

• The employee is added to the authorized list

• An error message is printed

• The access is granted

• The system crashes

In the proxy design pattern, what is the role of the proxy?

• To check if the current employee is allowed to access the repository

• To directly modify the repository

• To store data permanently

• To replace the real subject completely

What is demonstrated in the main function regarding the proxy?

• The proxy's role in restricting access based on roles

• The proxy's function to delete files

• The proxy's ability to enhance performance

• The proxy's capability to store data