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## javax.persistence
Annotation Type PrimaryKeyJoinColumns

    @Target(value={TYPE,METHOD,FIELD})
    @Retention(value=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
`PrimaryKeyJoinColumn[]` | `value` One or more `PrimaryKeyJoinColumn` annotations.

Element Detail

### value

    public abstract PrimaryKeyJoinColumn[] value

  One or more `PrimaryKeyJoinColumn` annotations.

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