A domain model in our service will be a Book class, defined in the Book.java file:
package pl.finsys.example.domain; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; import javax.validation.constraints.NotNull; import javax.validation.constraints.Size; @Entity public class Book { @Id @NotNull @Column(name = "id", nullable = false, updatable = false) private Long id; @NotNull @Size(max = 64) @Column(name = "author", nullable = false) private String author; @NotNull @Size(max = 64) @Column(name = "title", nullable = false) private String title; public Book() { } public Book(final Long id, final String author, final String title) { this.id = id; this.title = title; this.author ...
