All Downloads are FREE. Search and download functionalities are using the official Maven repository.

javax.persistence.SecondaryTables Maven / Gradle / Ivy

There is a newer version: 1.0.1.Final
Show newest version
// $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(); }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy