Module persistence.api
Package javax.persistence

Annotation Type PrimaryKeyJoinColumns

@Target({TYPE,METHOD,FIELD}) @Retention(RUNTIME) public @interface PrimaryKeyJoinColumns
Groups PrimaryKeyJoinColumn annotations. It is used to map composite foreign keys. 

    Example: ValuedCustomer subclass

    @Entity
    @Table(name="VCUST")
    @DiscriminatorValue("VCUST")
    @PrimaryKeyJoinColumns({
        @PrimaryKeyJoinColumn(name="CUST_ID",
            referencedColumnName="ID"),
        @PrimaryKeyJoinColumn(name="CUST_TYPE",
            referencedColumnName="TYPE")
    })
    public class ValuedCustomer extends Customer { ... }
Since:
Java Persistence 1.0

  • Required Element Summary

    Required Elements
    Modifier and Type
    Required Element
    Description
    PrimaryKeyJoinColumn[]
    value
     

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    ForeignKey
    foreignKey
    (Optional) The foreign key constraint specification for the join columns.

  • Element Details

    • foreignKey

      ForeignKey foreignKey
      (Optional) The foreign key constraint specification for the join columns. This is used only if table generation is in effect. Default is provider defined.
      Returns:
      The foreign key specification
      Default:
      @javax.persistence.ForeignKey