Spring Security - Third Edition

Mapping domain objects using JPA

Take a look at the following steps to learn about mapping the domain objects:

1. Let's begin by mapping our Event.java file so all the domain objects will use JPA, as follows:

//src/main/java/com/packtpub/springsecurity/domain/Event.javaimport javax.persistence.*;@Entity@Table(name = "events")public class Event implements Serializable{ @Id @GeneratedValue(strategy = GenerationType.AUTO)private Integer id;@NotEmpty(message = "Summary is required")private String summary;@NotEmpty(message = "Description is required")private String description;@NotNull(message = "When is required")private Calendar when;@NotNull(message = "Owner is required") @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name="owner", referencedColumnName="id") ...