Java tutorial
/******************************************************************************* * Copyright (c) 2008 - 2015 Oracle Corporation. 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. * * Contributors: * Petros Splinakis - Java Persistence 2.2 * Linda DeMichiel - Java Persistence 2.1 * Linda DeMichiel - Java Persistence 2.0 * ******************************************************************************/ package javax.persistence; import java.lang.annotation.Repeatable; 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 a named native SQL query. * Query names are scoped to the persistence unit. * The <code>NamedNativeQuery</code> annotation can be applied to an * entity or mapped superclass. * * @since Java Persistence 1.0 */ @Repeatable(NamedNativeQueries.class) @Target({ TYPE }) @Retention(RUNTIME) public @interface NamedNativeQuery { /** * The name used to refer to the query with the {@link EntityManager} * methods that create query objects. */ String name(); /** The SQL query string. */ String query(); /** Query properties and hints. (May include vendor-specific query hints.) */ QueryHint[] hints() default {}; /** The class of the result. */ Class resultClass() default void.class; /** The name of a {@link SqlResultSetMapping}, as defined in metadata. */ String resultSetMapping() default ""; }