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70 lines
2.1 KiB
70 lines
2.1 KiB
7 years ago
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/*
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* Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
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* which accompanies this distribution. The Eclipse Public License is available
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* at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
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* is available at http://www.eclipse.org/org/documents/edl-v10.php.
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*/
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package com.fr.third.javax.persistence;
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import java.lang.annotation.Retention;
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import java.lang.annotation.Target;
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import static java.lang.annotation.ElementType.TYPE;
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import static java.lang.annotation.RetentionPolicy.RUNTIME;
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/**
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* Specifies the mapping of the result of a native SQL query.
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*
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* <pre>
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* Example:
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*
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* Query q = em.createNativeQuery(
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* "SELECT o.id AS order_id, " +
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* "o.quantity AS order_quantity, " +
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* "o.item AS order_item, " +
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* "i.name AS item_name, " +
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* "FROM Order o, Item i " +
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* "WHERE (order_quantity > 25) AND (order_item = i.id)",
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* "OrderResults");
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*
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* @SqlResultSetMapping(name="OrderResults",
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* entities={
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* @EntityResult(entityClass=com.acme.Order.class, fields={
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* @FieldResult(name="id", column="order_id"),
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* @FieldResult(name="quantity", column="order_quantity"),
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* @FieldResult(name="item", column="order_item")})},
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* columns={
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* @ColumnResult(name="item_name")}
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* )
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* </pre>
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*
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* @since Java Persistence 1.0
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*/
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@Target({ TYPE })
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@Retention(RUNTIME)
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public @interface SqlResultSetMapping {
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/**
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* The name given to the result set mapping, and used to refer
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* to it in the methods of the {@link Query} API.
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*/
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String name();
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/**
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* Specifies the result set mapping to entities.
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*/
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EntityResult[] entities() default { };
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/**
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* Specifies the result set mapping constructor references
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*/
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ConstructorResult[] classes() default {};
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/**
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* Specifies the result set mapping to scalar values.
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*/
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ColumnResult[] columns() default { };
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}
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