javax.persistence.NamedQuery Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://glassfish.dev.java.net/public/CDDLv1.0.html or
* glassfish/bootstrap/legal/CDDLv1.0.txt.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at glassfish/bootstrap/legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
*/
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;
/**
* Is used to specify a named query in the Java Persistence query language,
* which is a static query expressed in metadata.
* Query names are scoped to the persistence unit.
*
* The following is an example of the definition of a named query
* in the Java Persistence query language:
*
*
* @NamedQuery(
* name="findAllCustomersWithName",
* query="SELECT c FROM Customer c WHERE c.name LIKE :custName"
* )
*
*
* The following is an example of the use of a named query:
*
*
* @PersistenceContext
* public EntityManager em;
* ...
* customers = em.createNamedQuery("findAllCustomersWithName")
* .setParameter("custName", "Smith")
* .getResultList();
*
*
* @since Java Persistence 1.0
*/
@Target({TYPE})
@Retention(RUNTIME)
public @interface NamedQuery {
/**
* Refers to the query when using the {@link EntityManager}
* methods that create query objects.
*/
String name();
/** The query string in the Java Persistence query language */
String query();
/** Vendor-specific query hints */
QueryHint[] hints() default {};
}