Java Certification Resources and Java Discussion Forum
https://enthuware.com/forum/
public class ContactInfo implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Integer id;
// Notice that this is a unidirectional one to many, so a join table
// will be created by default. The JoinColumn forces the use of
// foreign key column in Address table instead of creating a join table.
@OneToMany(cascade = {
CascadeType.ALL
})
// CINFO_ID column will be created in Address table.
// if name is not specified, the column will be named ADDRESSES_ID
@JoinColumn(name = "CINFO_ID")
private List<Address> addresses;
private String emailid;
}
Code: Select all
CREATE TABLE ADDRESS (ID BIGINT NOT NULL, LINE1 VARCHAR(255), ADDRESSES_ID INTEGER, PRIMARY KEY (ID))Code: Select all
// CINFO_ID column will be created in Address table.
//if name is not specified, the column will be named CONTACTINFO_ID
@JoinColumn(name="CINFO_ID")
private List<Address> addresses;Fixed.The concatenation of the following: the name of the referencing relationship property or field of the referencing entity or embeddable class; "_"; the name of the referenced primary key column. If there is no such referencing relationship property or field in the entity, or if the join is for an element collection, the join column name is formed as the concatenation of the following: the name of the entity; "_"; the name of the referenced primary key column.