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

javax.persistence.FieldResult Maven / Gradle / Ivy

Go to download

Clean-room definition of JPA APIs intended for use in developing Hibernate JPA implementation. See README.md for details

There is a newer version: 1.0.2.Final
Show newest version
/*
 * Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.  The Eclipse Public License is available
 * at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
 * is available at http://www.eclipse.org/org/documents/edl-v10.php.
 */
package javax.persistence;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Is used to map the columns specified in the SELECT list
 * of the query to the properties or fields of the entity class.
 *
 * 
 *
 * Example:
 *   Query q = em.createNativeQuery(
 *       "SELECT o.id AS order_id, " +
 *           "o.quantity AS order_quantity, " +
 *           "o.item AS order_item, " +
 *         "FROM Order o, Item i " +
 *         "WHERE (order_quantity > 25) AND (order_item = i.id)",
 *       "OrderResults");
 *
 *   @SqlResultSetMapping(name="OrderResults",
 *       entities={
 *           @EntityResult(entityClass=com.acme.Order.class, fields={
 *               @FieldResult(name="id", column="order_id"),
 *               @FieldResult(name="quantity", column="order_quantity"),
 *               @FieldResult(name="item", column="order_item")})
 *       })
 * 
* * @since Java Persistence 1.0 */ @Target({}) @Retention(RUNTIME) public @interface FieldResult { /** Name of the persistent field or property of the class. */ String name(); /** * Name of the column in the SELECT clause - i.e., column * aliases, if applicable. */ String column(); }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy