About ManyToOne

11-20 of 84Refresh
Manual
22

Retrieving JPA Entity Objects

using a lazy fetch type: @Entity class Employee { : @ManyToOne(fetch=FetchType.LAZY ... FetchType.LAZY in either @OneToOne or @ManyToOne annotations (currently ObjectDB does not distinguish
Manual
22

JPA Entity Fields

: OneToOne, ManyToOne - for references of entity types. OneToMany, ManyToMany - for collections ... relationship: @Entity public class Employee { String name; @ManyToOne Department department
JPA Doc
11

javax.persistence.JoinColumn

: @ManyToOne @JoinColumn(name="ADDR_ID") public Address getAddress() { return address; } Example ... getOrders() {return orders;} Since: JPA 1.0 See Also: ManyToOne OneToMany OneToOne JoinTable ... . If the join is for a OneToOne or ManyToOne mapping using a foreign key mapping strategy
JPA Doc
6

javax.persistence.AssociationOverride

Employee { ... @ManyToOne protected Address address ... contactInfo; ... } @Embeddable public class ContactInfo { @ManyToOne
JPA Doc
6

javax.persistence.MapKey

getEmpId() { ... } @ManyToOne @JoinColumn(name="dept_id") public Department ... { @Id public Integer getEmpId() { ... } ... @ManyToOne @JoinColumn(name
JPA Doc
6

javax.persistence.MapsId

javax.persistence Annotation MapsId Target: Fields (including property get methods) Designates a ManyToOne or OneToOne relationship attribute that provides the mapping for an EmbeddedId primary key ... ; ... @MapsId("empid") // maps the empid attribute of embedded id @ManyToOne
JPA Doc
6

javax.persistence.OneToMany

getOrders() { return orders; } In Order class: @ManyToOne @JoinColumn(name="CUST_ID ... orders; } // In Order class: @ManyToOne @JoinColumn(name="CUST_ID", nullable=false
JPA Doc
6

JoinColumn.name

ManyToOne mapping using a foreign key mapping strategy, the foreign key column is in the table ... is for a ManyToMany mapping or for a OneToOne or bidirectional ManyToOne/OneToMany mapping using a join table
JPA Doc
6

JoinColumn.table

of the applicable entity. Default: If the join is for a OneToOne or ManyToOne mapping using a foreign ... ManyToOne/OneToMany mapping using a join table, the name of the join table. If the join is for an element
JPA Doc
4

javax.persistence.AssociationOverrides

protected Integer version; @ManyToOne protected Address address; @OneToOne