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// $Id: SqlResultSetMapping.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 the mapping of the result of a native SQL query.
 *
 * 
 *    Example:
 *
 *    Query q = em.createNativeQuery(
 *        "SELECT o.id AS order_id, " +
 *            "o.quantity AS order_quantity, " +
 *            "o.item AS order_item, " +
 *            "i.name AS item_name, " +
 *        "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")})},
 *        columns={
 *            @ColumnResult(name="item_name")}
 *    )
 * 
* * @since Java Persistence 1.0 */ @Target({ TYPE }) @Retention(RUNTIME) public @interface SqlResultSetMapping { /** * The name given to the result set mapping, and used to refer * to it in the methods of the {@link Query} API. */ String name(); /** * Specifies the result set mapping to entities. */ EntityResult[] entities() default { }; /** * Specifies the result set mapping to scalar values. */ ColumnResult[] columns() default { }; }




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