Mastering Microservices with Java - Third Edition

Repository classes

The RestaurantRepository interface defines two new methods: the containsName and findByName methods. It also extends the Repository interface:

public interface RestaurantRepository<Restaurant, String> extends Repository<Restaurant, String> { 
 
    boolean containsName(String name) throws Exception; 
 
    public Collection<Restaurant> findByName(String name) throws Exception; 
} 

The Repository interface defines three methods: add, remove, and update. It also extends the ReadOnlyRepository interface:

public interface Repository<TE, T> extends ReadOnlyRepository<TE, T> { 
 
    void add(TE entity); 
 
    void remove(T id); 
 
    void update(TE entity); 
} 

The ReadOnlyRepository interface definition contains the get and getAll methods, which return Boolean ...