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@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 { ... }
ForeignKey
Required Element Summary | |
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PrimaryKeyJoinColumn[] |
value
One or more PrimaryKeyJoinColumn annotations. |
Optional Element Summary | |
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ForeignKey |
foreignKey
(Optional) Used to specify or disable a foreign key constraint when table generation is in effect. |
Element Detail |
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public abstract PrimaryKeyJoinColumn[] value
PrimaryKeyJoinColumn
annotations.
public abstract ForeignKey foreignKey
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EclipseLink 2.5.0, build 'v20130321-85f6cb0' API Reference | ||||||||
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SUMMARY: REQUIRED | OPTIONAL | DETAIL: ELEMENT |