Spring Boot Persistence Best Practices: Optimize Java Persistence Performance in Spring Boot Applications

© Anghel Leonard 2020

A. LeonardSpring Boot Persistence Best Practiceshttps://doi.org/10.1007/978-1-4842-5626-8_9

9. Monitoring

Anghel Leonard¹ 

(1)

Banesti, Romania

 

Item 81: Why and How to Count and Assert SQL Statements

Assuming that you have the Author entity mapped to the table, as shown in Figure 9-1, the goal is to atomically perform the following simple scenario:

• Load an Author from the database

• Update the genre of this Author

Figure 9-1

The Author entity table

A simple service-method can implement this scenario, as follows:

@Service

public class BookstoreService {

    private final AuthorRepository authorRepository;

    ...

    public void updateAuthor() ...