/*
* 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
/**
* Is used to map the columns specified in the SELECT list
* of the query to the properties or fields of the entity class.
* <p>
* <pre>
*
* 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")})
* })
* </pre>
*
* @since Java Persistence 1.0
*/
@Target({})
@Retention(RUNTIME)
public @interface FieldResult {
Name of the persistent field or property of the class.
Returns: name
/**
* Name of the persistent field or property of the class.
*
* @return name
*/
String name();
Name of the column in the SELECT clause - i.e., column
aliases, if applicable.
Returns: column
/**
* Name of the column in the SELECT clause - i.e., column
* aliases, if applicable.
*
* @return column
*/
String column();
}