{"id":875,"date":"2018-02-27T20:10:36","date_gmt":"2018-02-27T17:10:36","guid":{"rendered":"http:\/\/leodev.ru\/blog\/?p=875"},"modified":"2018-02-27T20:10:36","modified_gmt":"2018-02-27T17:10:36","slug":"%d0%b0%d0%bd%d0%bd%d0%be%d1%82%d0%b0%d1%86%d0%b8%d0%b8-jpa-java-persistence-api","status":"publish","type":"post","link":"https:\/\/leodev.ru\/blog\/hibernate\/%d0%b0%d0%bd%d0%bd%d0%be%d1%82%d0%b0%d1%86%d0%b8%d0%b8-jpa-java-persistence-api\/","title":{"rendered":"\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 JPA (Java Persistence API)"},"content":{"rendered":"

\u0417\u0430\u043c\u0435\u0442\u043a\u0430 \u0441 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044f\u043c\u0438 \u0438 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u043c\u0438 JPA<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
@Entity<\/td>\njavax.persistence.Entity<\/td>\n<\/tr>\n
@Table<\/td>\njavax.persistence.Table<\/td>\n<\/tr>\n
@Column<\/td>\njavax.persistence.Table<\/td>\n<\/tr>\n
@Id<\/td>\njavax.persistence.Id<\/td>\n<\/tr>\n
@GeneratedValue<\/td>\njavax.persistence.GeneratedValue<\/td>\n<\/tr>\n
@Version<\/td>\njavax.persistence.Version<\/td>\n<\/tr>\n
@OrderBy<\/td>\njavax.persistence.OrderBy<\/td>\n<\/tr>\n
@Transient<\/td>\njavax.persistence.Transient<\/td>\n<\/tr>\n
@Lob<\/td>\njavax.persistence.Lob<\/td>\n<\/tr>\n
@PersistenceContext<\/td>\njavax.persistence.PersistenceContext<\/td>\n<\/tr>\n
@Temporal<\/td>\njavax.persistence.TemporalType<\/td>\n<\/tr>\n
@Embedded<\/td>\njavax.persistence.Embedded<\/td>\n<\/tr>\n
\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u0441\u0432\u044f\u0437\u0438 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0446\u0438\u0439<\/td>\n<\/tr>\n
@OneToOne<\/td>\njavax.persistence.OneToOne<\/td>\n<\/tr>\n
@ManyToOne<\/td>\njavax.persistence.ManyToOne<\/td>\n<\/tr>\n
@OneToMany<\/td>\njavax.persistence.OneToMany<\/td>\n<\/tr>\n
@ManyToMany<\/td>\njavax.persistence.ManyToMany<\/td>\n<\/tr>\n
@PrimaryKeyJoinColumn<\/td>\njavax.persistence.PrimaryKeyJoinColumn<\/td>\n<\/tr>\n
@JoinColumn<\/td>\njavax.persistence.PrimaryKeyJoinColumn<\/td>\n<\/tr>\n
@JoinTable<\/td>\njavax.persistence.JoinTable<\/td>\n<\/tr>\n
@MapsId<\/td>\njavax.persistence.MapsId<\/td>\n<\/tr>\n
\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f<\/td>\n<\/tr>\n
@Inheritance<\/td>\njavax.persistence.Inheritance<\/td>\n<\/tr>\n
@DiscriminatorColumn<\/td>\njavax.persistence.DiscriminatorColumn<\/td>\n<\/tr>\n
@DiscriminatorValue<\/td>\njavax.persistence.DiscriminatorValue<\/td>\n<\/tr>\n
\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432<\/td>\n<\/tr>\n
@NamedQueries<\/td>\njavax.persistence.NamedQueries<\/td>\n<\/tr>\n
@NamedQuery<\/td>\njavax.persistence.NamedQuery<\/td>\n<\/tr>\n
@SqlResultSetMapping<\/td>\njavax.persistence.SqlResultSetMapping<\/td>\n<\/tr>\n
@EntityResult<\/td>\njavax.persistence.EntityResult<\/td>\n<\/tr>\n
\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 Hibernate<\/td>\n<\/tr>\n
@Audited<\/td>\norg.hibernate.envers.Audited<\/td>\n<\/tr>\n
@NotAudited<\/td>\norg.hibernate.envers.NotAudited<\/td>\n<\/tr>\n
@Type<\/td>\norg.hibernate.annotations.Type<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

@Entity<\/strong> \u2014 \u0423\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u044b\u0439 \u0431\u0438\u043d (\u043a\u043b\u0430\u0441\u0441) \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u044c\u044e.<\/p>\n

@Entity\r\npublic class Cat implements Serializable {\r\n...\r\n}<\/pre>\n
@Table<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0438\u043c\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u044b, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u0443\u0434\u0435\u0442 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c\u0441\u044f \u0432 \u044d\u0442\u043e\u0439 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438.<\/p>\n
@Entity\r\n@Table(name = \"cat_table\")\r\npublic class Cat implements Serializable {\r\n...\r\n}<\/pre>\n
@Column<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0438\u043c\u044f \u043a\u043e\u043b\u043e\u043d\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0435\u0442\u0441\u044f \u0432 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438.<\/p>\n
@Entity\r\n@Table(name = \"cat_table\")\r\npublic class Cat implements Serializable {\r\n\r\n@Column(name = \"catName\")\r\nprivate String name;\r\n\r\n...\r\n}<\/pre>\n
@Id<\/strong> \u2014 id \u043a\u043e\u043b\u043e\u043d\u043a\u0438<\/p>\n
@Entity\r\n@Table(name = \"cat_table\")\r\npublic class Cat implements Serializable {\r\n\r\n@Id\r\n@Column(name = \"id\")\r\nprivate int id;\r\n\r\n...\r\n}<\/pre>\n
@GeneratedValue<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u043e\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c\u0441\u044f \u0441\u043e\u0433\u043b\u0430\u0441\u043d\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u0438.<\/p>\n
@Entity\r\n@Table(name = \"cat_table\")\r\npublic class Cat implements Serializable {\r\n\r\n@Id\r\n@GeneratedValue(strategy = IDENTITY) \/\/AUTO, SEQUENCE, TABLE\r\n@Column(name = \"id\")\r\nprivate int id;\r\n\r\n...\r\n}<\/pre>\n
@Version<\/strong> \u2014 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u0435\u0440\u0441\u0438\u0435\u0439 \u0432 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438. \u041f\u0440\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u0441\u044f \u043d\u0430 1.<\/p>\n
@Entity\r\n@Table(name = \"cat_table\")\r\npublic class Cat implements Serializable {\r\n\r\n@Version\r\n@Column(name = \"version\")\r\nprivate int version;\r\n\r\n...\r\n}<\/pre>\n
@OrderBy<\/strong> \u2014 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435 \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043a\u0438. \u0412 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u043a\u043e\u0448\u0435\u043a \u0431\u0443\u0434\u0435\u0442 \u043e\u0442\u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043e \u043f\u043e \u0438\u043c\u0435\u043d\u0438 \u043f\u043e \u0432\u043e\u0437\u0440\u0430\u0441\u0442\u0430\u043d\u0438\u044e.<\/p>\n
@Entity\r\n@Table(name = \"cat_table\")\r\npublic class Cat implements Serializable {\r\n\r\n@OrderBy(\"firstName asc\")\r\nprivate Set catsSet;\r\n...\r\n}<\/pre>\n
@Transient<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u0442\u044c. \u0417\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e\u0434 \u044d\u0442\u043e\u0439 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0435\u0439 \u043d\u0435 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0432 \u0431\u0430\u0437\u0443 \u0434\u0430\u043d\u043d\u044b\u0445 (\u0442\u0430\u043a \u0436\u0435 \u043d\u0435 \u0443\u0447\u0430\u0441\u0442\u0432\u0443\u044e\u0442 \u0432 \u0441\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438). static \u0438 final \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430 \u0432\u0441\u0435\u0433\u0434\u0430 transient.<\/p>\n
@Entity\r\n@Table(name = \"cat_table\")\r\npublic class Cat implements Serializable {\r\n\r\n@Transient\r\npublic boolean isNew() {\r\nreturn id == null;\r\n}\r\n\r\n...\r\n}<\/pre>\n
@Lob<\/strong> \u2014 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435 \u043d\u0430 \u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u044b.<\/p>\n
@PersistenceContext<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u044c EntityManager \u0432 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0435<\/p>\n
@Service(\"jpaCatService\")\r\n@Repository\r\n@Transactional\r\npublic class CatServiceImpl implements CatService {\r\n\r\n@PersistenceContext\r\nprivate EntityManager em;\r\n...\r\n}<\/pre>\n
@Temporal<\/strong> \u2014 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043a \u043f\u043e\u043b\u044f\u043c \u0438\u043b\u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c \u0441 \u0442\u0438\u043f\u043e\u043c java.util.Date \u0438 java.util.Calendar. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0435\u0441\u043b\u0438 \u0432 \u0411\u0414 \u0432\u0440\u0435\u043c\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a sql.Date, \u0442\u043e \u0447\u0442\u043e\u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u0430\u0442\u0443 \u0438\u0437 java.util.Date \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u043c \u044d\u0442\u0443 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044e.<\/p>\n
public class Cat implements Serializable {\r\n\r\nprivate java.util.Date birthDate; \/\/in DB schema uses sql.Date in column BIRTH_DATE.\r\n\r\n@Temporal(TemporalType.DATE)\r\n@Column(name = \"BIRTH_DATE\")\r\npublic Date getBirthDate() {\r\nreturn this.birthDate;\r\n}\r\n...\r\n}<\/pre>\n
@Embeddable<\/strong> \u0438 @Embedded<\/strong> (\u00ab\u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u0439\u00bb) \u2014 \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u043a\u043b\u0430\u0441\u0441, \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u044b \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u044f\u0442\u0441\u044f \u043a\u0430\u043a \u043d\u0435\u043e\u0442\u044a\u0435\u043c\u043b\u0435\u043c\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u0430. \u041a\u0430\u0436\u0434\u044b\u0439 \u0438\u0437 @Embedded<\/strong> \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u043e\u0432 \u0441\u043e\u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441 \u0442\u0430\u0431\u043b\u0438\u0446\u0435\u0439 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438.<\/p>\n
@Embeddable public class Address {\r\nprotected String street;\r\nprotected String city;\r\nprotected String state;\r\n@Embedded protected Zipcode zipcode;\r\n}\r\n\r\n@Embeddable public class Zipcode {\r\nprotected String zip;\r\nprotected String plusFour;\r\n}<\/pre>\n
\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0446\u0438\u0439: \u043e\u0434\u0438\u043d \u043a \u043e\u0434\u043d\u043e\u043c\u0443, \u043e\u0434\u0438\u043d \u043a\u043e \u043c\u043d\u043e\u0433\u0438\u043c, \u043c\u043d\u043e\u0433\u0438\u0435 \u043a\u043e \u043c\u043d\u043e\u0433\u0438\u043c \u0438 \u0434\u0440.
\n@OneToOne<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0441\u0432\u044f\u0437\u044c \u043c\u0435\u0436\u0434\u0443 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u043c\u0438 \u00ab\u043e\u0434\u0438\u043d \u043a \u043e\u0434\u043d\u043e\u043c\u0443\u00bb.<\/p>\n
orphanRemoval<\/strong> \u2014 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u0441\u0438\u0440\u043e\u0442\u044b. \u041f\u0440\u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0438 \u0440\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u0430 \u0443\u0434\u0430\u043b\u044f\u0435\u0442\u0441\u044f \u0438 \u0434\u043e\u0447\u0435\u0440\u043d\u0438\u0439.
\n@OneToMany(mappedBy=\u00bbcustomer\u00bb, orphanRemoval=\u00bbtrue\u00bb)<\/strong>
\nmappedBy<\/strong> \u2014 \u043e\u0431\u0440\u0430\u0442\u043d\u0430\u044f \u0441\u0442\u043e\u0440\u043e\u043d\u0430 \u0441\u0432\u044f\u0437\u0438 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438. \u041f\u043e\u043b\u0435 \u043f\u043e\u0434 \u044d\u0442\u0438\u043c \u0430\u0442\u0440\u0438\u0431\u0443\u0442\u043e\u043c \u043d\u0435 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0447\u0430\u0441\u0442\u044c \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0439 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438 \u0432 \u0431\u0430\u0437\u0435 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u043e \u0431\u0443\u0434\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u043f\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0443. (\u0441\u043c. \u043d\u0438\u0436\u0435 @JoinColumn<\/strong>)
\ncascade = CascadeType.ALL<\/strong> \u2014 \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442, \u0447\u0442\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0437\u0430\u043f\u0438\u0441\u0438 \u0434\u043e\u043b\u0436\u043d\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0442\u044c\u0441\u044f \u0438 \u043d\u0430 \u0434\u043e\u0447\u0435\u0440\u043d\u0438\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u044b.<\/p>\n
@Entity\r\n@Table(name = \"contactDetail\")\r\npublic class ContactDetail implements Serializable {\r\n\r\n@Id\r\n@Column(name = \"id\")\r\n@GeneratedValue\r\nprivate int id;\r\n\r\n@OneToOne\r\n@MapsId\r\n@JoinColumn(name = \"contactId\")\r\nprivate Contact contact;\r\n\r\n...\r\n}\r\n\r\n@Entity\r\n@Table(name = \"contact\")\r\npublic class Contact implements Serializable {\r\n\r\n@Id\r\n@Column(name = \"ID\")\r\n@GeneratedValue\r\nprivate Integer id;\r\n\r\n@OneToOne(mappedBy = \"contact\", cascade = CascadeType.ALL)\r\nprivate ContactDetail contactDetail;\r\n\r\n....\r\n}<\/pre>\n
\u0412 \u044d\u0442\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u043a\u043e\u043d\u0442\u0430\u043a\u0442 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043b\u0438\u0448\u044c \u0441\u0441\u044b\u043b\u043a\u0443 \u043d\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u0443 \u0441 \u0434\u0435\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0435\u0439. \u0414\u0435\u0442\u0430\u043b\u0438 \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u0430 \u0431\u0443\u0434\u0443\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043f\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0443 \u043a \u0442\u0430\u0431\u043b\u0438\u0446\u0435 contactDetail.<\/p>\n
@PrimaryKeyJoinColumn<\/strong> \u2014 \u0433\u043b\u0430\u0432\u043d\u044b\u0439 \u043a\u043b\u044e\u0447 \u0434\u043b\u044f \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438 \u0441 \u0442\u0430\u043a\u0438\u043c \u0436\u0435 \u043a\u043b\u044e\u0447\u043e\u043c<\/p>\n
@JoinColumn<\/strong> \u2014 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u043e\u0433\u0434\u0430 \u0432\u043d\u0435\u0448\u043d\u0438\u0439 \u043a\u043b\u044e\u0447 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0435\u0439. \u041c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0441 \u043e\u0431\u0435\u0438\u0445 \u0441\u0442\u043e\u0440\u043e\u043d \u0432\u0437\u0430\u0438\u043c\u043e\u0441\u0432\u044f\u0437\u0438. \u041d\u043e \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c \u0432 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u0435\u043c \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 (\u043e\u0431\u044b\u0447\u043d\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u0430 @ManyToOne<\/strong>). ManyToOne (\u0447\u0430\u0441\u0442\u043e) \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0442\u043e\u0440\u043e\u043d\u043e\u0439-\u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u0435\u043c \u0432 \u0434\u0432\u0443\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0441\u0432\u044f\u0437\u044f\u0445 \u0438 \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u0430\u044f \u0441\u0442\u043e\u0440\u043e\u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 @OneToMany<\/strong>(mappedBy=..).<\/p>\n
\u041f\u0440\u0438\u043c\u0435\u0440 (\u0431\u043e\u043b\u0435\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u043e\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 mappedBy \u0438 JoinColumn)<\/em><\/p>\n
@Entity\r\npublic class Troop {\r\n@OneToMany(mappedBy=\"troop\")\r\npublic Set getSoldiers() {\r\n...\r\n}\r\n\r\n@Entity\r\npublic class Soldier {\r\n@ManyToOne\r\n@JoinColumn(name=\"troop_fk\")\r\npublic Troop getTroop() {\r\n...\r\n}<\/pre>\n
\u041c\u0435\u043d\u0435\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 (\u043d\u0443\u0436\u043d\u043e \u0435\u0449\u0435 \u043c\u0435\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 insertable<\/strong> \u0438 updatable<\/strong>). \u0422\u0430\u043a\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043c\u0435\u043d\u0435\u0435 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043e, \u043d\u043e \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c:<\/p>\n
@Entity\r\npublic class Troop {\r\n@OneToMany\r\n@JoinColumn(name=\"troop_fk\") \/\/we need to duplicate the physical information\r\npublic Set getSoldiers() {\r\n...\r\n}\r\n\r\n@Entity\r\npublic class Soldier {\r\n@ManyToOne\r\n@JoinColumn(name=\"troop_fk\", insertable=false, updatable=false)\r\npublic Troop getTroop() {\r\n...\r\n}<\/pre>\n
@JoinTable<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0441\u0432\u044f\u0437\u044c \u0441 \u0442\u0430\u0431\u043b\u0438\u0446\u0435\u0439<\/p>\n
@ManyToOne<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0441\u0432\u044f\u0437\u044c \u043c\u043d\u043e\u0433\u0438\u0435 \u043a \u043e\u0434\u043d\u043e\u043c\u0443.<\/p>\n
@OneToMany<\/strong> \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0441\u0432\u044f\u0437\u044c \u043e\u0434\u0438\u043d \u043a\u043e \u043c\u043d\u043e\u0433\u0438\u043c. \u041f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u043e\u0442 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438 \u0441 @ManyToOne<\/p>\n
@Entity\r\n@Table(name = \"contact\")\r\npublic class Contact implements Serializable {\r\n\r\nprivate Set contactTelDetails = new HashSet();\r\n\/\/...\r\n@OneToMany(mappedBy = \"contact\", cascade=CascadeType.ALL, orphanRemoval=true)\r\npublic Set getContactTelDetails() {\r\nreturn this.contactTelDetails;\r\n}\r\n....\r\n}\r\n@Entity\r\n@Table(name = \"contact_tel_detail\")\r\npublic class ContactTelDetail implements Serializable {\r\n\r\nprivate Contact contact;\r\n\/\/...\r\n@ManyToOne\r\n@JoinColumn(name = \"CONTACT_ID\")\r\npublic Contact getContact() {\r\nreturn this.contact;\r\n}\r\n}<\/pre>\n
@ManyToMany<\/strong> \u2014 \u0441\u0432\u044f\u0437\u044c \u043c\u043d\u043e\u0433\u0438\u0435 \u043a\u043e \u043c\u043d\u043e\u0433\u0438\u043c.<\/p>\n
@Entity\r\n@Table(name = \"contact\")\r\npublic class Contact implements Serializable {\r\n\r\nprivate Set hobbies = new HashSet();\r\n\/\/...\r\n@ManyToMany\r\n@JoinTable(name = \"contact_hobby_detail\",\r\njoinColumns = @JoinColumn(name = \"CONTACT_ID\"),\r\ninverseJoinColumns = @JoinColumn(name = \"HOBBY_ID\"))\r\npublic Set getHobbies() {\r\nreturn this.hobbies;\r\n}\r\n....\r\n}\r\n\r\n@Entity\r\n@Table(name = \"hobby\")\r\npublic class Hobby implements Serializable {\r\n\r\nprivate Set contacts = new HashSet();\r\n\/\/...\r\n\r\n@ManyToMany\r\n@JoinTable(name = \"contact_hobby_detail\",\r\njoinColumns = @JoinColumn(name = \"HOBBY_ID\"),\r\ninverseJoinColumns = @JoinColumn(name = \"CONTACT_ID\"))\r\npublic Set getContacts() {\r\nreturn this.contacts;\r\n}\r\n}<\/pre>\n
 <\/p>\n
@MapsId<\/strong> \u2014 \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442 \u043e\u0434\u043d\u0443 \u043a\u043e\u043b\u043e\u043d\u043a\u0443 \u0441 \u0434\u0440\u0443\u0433\u043e\u0439. \u0420\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441 @Id<\/strong> \u0438 @EmbeddedId<\/strong>.<\/p>\n
@Entity\r\n@Table(name=\"student\")\r\npublic class Student implements Serializable {\r\n\r\n@Id\r\n@Column(name=\"sl_id\")\r\nprivate int slNum;\r\n\r\n@MapsId\r\n@OneToOne\r\n@JoinColumn(name = \"std_id\")\r\nprivate Person student;\r\n\r\n@Column(name=\"location\")\r\nprivate String location;\r\npublic Student(int slNum,Person student, String location){\r\nthis.slNum=slNum;\r\nthis.student=student;\r\nthis.location=location;\r\n}\r\n\r\n@Entity\r\n@Table(name=\"person\")\r\npublic class Person implements Serializable {\r\n\r\n@Id\r\n@Column(name=\"p_id\")\r\nprivate int id;\r\n\r\n@Column(name=\"first_name\")\r\nprivate String firstName;\r\n\r\n@Column(name=\"last_name\")\r\nprivate String lastName;\r\n..\r\n}<\/pre>\n
@Inheritance<\/strong> \u2014 \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435. \u0414\u043b\u044f \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043e\u0431\u0440\u0430\u0442\u0438\u0442\u044c\u0441\u044f \u043a \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0443 Hibernate User Guide (Inheritance)
\n@DiscriminatorColumn<\/strong>
\n@DiscriminatorValue<\/strong><\/p>\n
@Entity\r\n@Table(name=\"EJB_PROJECT\")\r\n@Inheritance(strategy=JOINED, discriminatorValue=\"P\")\r\n@DiscriminatorColumn(name=\"PROJ_TYPE\")\r\npublic class Project implements Serializable {\r\n...\r\n@Id()\r\n@Column(name=\"PROJECT_ID\", primaryKey=true)\r\npublic Integer getId() {\r\nreturn id;\r\n}\r\n...\r\n}<\/pre>\n
\n\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432<\/h3>\n
@NamedQueries<\/strong> \u2014 \u0432\u043d\u0443\u0442\u0440\u0438 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u043f\u0438\u0441\u043e\u043a \u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432.
\n@NamedQuery<\/strong> \u2014 \u0438\u043c\u044f \u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0438 \u0441\u0430\u043c \u0437\u0430\u043f\u0440\u043e\u0441.
\n@SqlResultSetMapping<\/strong> \u2014 \u043a\u0443\u0434\u0430 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0431\u0440\u0430\u043d \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442.
\n@EntityResult<\/strong> \u2014 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438 \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u0441\u043a\u043e\u043d\u0441\u0442\u0440\u0443\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442.<\/p>\n
\u0410\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0438 Hibernate<\/h3>\n
@Audited \u2014 \u0412\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0430\u0443\u0434\u0438\u0442 \u0441\u0443\u0449\u043d\u043e\u0441\u0442\u0438 (\u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u0435 \u0432\u0435\u0440\u0441\u0438\u0439).
\n@NotAudited \u2014 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0433\u043e \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0442\u044c \u043d\u0435 \u043d\u0443\u0436\u043d\u043e. \u041f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e Hibernate \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0442\u044c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u0430\u0441\u0441\u043e\u0446\u0438\u0430\u0446\u0438\u044f\u0445.
\n@Type \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0442\u0438\u043f \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430<\/p>\n
@Entity\r\n@Audited\r\n@Table(name = \"contact_audit\")\r\n@NamedQueries({\r\n@NamedQuery(name=\"ContactAudit.findAll\",\r\nquery=\"select c from Contact c\"),\r\n@NamedQuery(name=\"ContactAudit.findById\",\r\nquery=\"select distinct c from Contact c left join fetch c.contactTelDetails t left join fetch c.hobbies h where c.id = :id\"),\r\n@NamedQuery(name=\"ContactAudit.findAllWithDetail\",\r\nquery=\"select distinct c from Contact c left join fetch c.contactTelDetails t left join fetch c.hobbies h\")\r\n})\r\n@SqlResultSetMapping(\r\nname=\"contactAuditResult\",\r\nentities=@EntityResult(entityClass=ContactAudit.class)\r\n)\r\npublic class ContactAudit implements Auditable<String, Long>, Serializable {\r\n\r\n.....\r\n@Column(name=\"CREATED_DATE\")\r\n@Type(type=\"org.joda.time.contrib.hibernate.PersistentDateTime\")\r\npublic DateTime getCreatedDate() {\r\nreturn createdDate;\r\n}\r\n\r\n@OneToMany(mappedBy = \"contact\", cascade=CascadeType.ALL, orphanRemoval=true)\r\n@NotAudited\r\npublic Set getContactTelDetails() {\r\nreturn this.contactTelDetails;\r\n}\r\n}<\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u0417\u0430\u043c\u0435\u0442\u043a\u0430 \u0441 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044f\u043c\u0438 \u0438 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u043c\u0438 JPA<\/p>\n","protected":false},"author":1,"featured_media":877,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[235],"tags":[236,226,58],"class_list":["post-875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hibernate","tag-hibernate","tag-jpa","tag-sql"],"_links":{"self":[{"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/posts\/875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/comments?post=875"}],"version-history":[{"count":2,"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/posts\/875\/revisions"}],"predecessor-version":[{"id":878,"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/posts\/875\/revisions\/878"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/media\/877"}],"wp:attachment":[{"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/media?parent=875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/categories?post=875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/leodev.ru\/blog\/wp-json\/wp\/v2\/tags?post=875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}