Annotation Type JoinColumns


  • @Target({METHOD,FIELD})
    @Retention(RUNTIME)
    public @interface JoinColumns
    Defines mapping for composite foreign keys. This annotation groups JoinColumn annotations for the same relationship.

    When the JoinColumns annotation is used, both the name and the referencedColumnName elements must be specified in each such JoinColumn annotation.

    
        Example:
        @ManyToOne
        @JoinColumns({
            @JoinColumn(name="ADDR_ID", referencedColumnName="ID"),
            @JoinColumn(name="ADDR_ZIP", referencedColumnName="ZIP")
        })
        public Address getAddress() { return address; }
     
    Since:
    Java Persistence 1.0
    See Also:
    JoinColumn
    • Required Element Summary

      Required Elements 
      Modifier and Type Required Element Description
      JoinColumn[] value
      The join columns that map the relationship.
    • Element Detail

      • value

        JoinColumn[] value
        The join columns that map the relationship.