javax.persistence.SecondaryTables Maven / Gradle / Ivy
// $Id: SecondaryTables.java 17752 2009-10-15 01:19:21Z [email protected] $
// EJB3 Specification Copyright 2004-2009 Sun Microsystems, Inc.
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies multiple secondary tables for an entity.
*
*
* Example 1: Multiple secondary tables assuming primary key columns are named the same in all tables.
*
* @Entity
* @Table(name="EMPLOYEE")
* @SecondaryTables({
* @SecondaryTable(name="EMP_DETAIL"),
* @SecondaryTable(name="EMP_HIST")
* })
* public class Employee { ... }
*
*
* Example 2: Multiple secondary tables with differently named primary key columns.
*
* @Entity
* @Table(name="EMPLOYEE")
* @SecondaryTables({
* @SecondaryTable(name="EMP_DETAIL",
* pkJoinColumns=@PrimaryKeyJoinColumn(name="EMPL_ID")),
* @SecondaryTable(name="EMP_HIST",
* pkJoinColumns=@PrimaryKeyJoinColumn(name="EMPLOYEE_ID"))
* })
* public class Employee { ... }
*
*
* @since Java Persistence 1.0
*/
@Target(TYPE)
@Retention(RUNTIME)
public @interface SecondaryTables {
/**
* (Required) The secondary tables for an entity.
*/
SecondaryTable[] value();
}