/*******************************************************************************
 * Copyright (c) 1998, 2014 Oracle and/or its affiliates. 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:
 *     Oracle - initial API and implementation from Oracle TopLink
 *     02/08/2012-2.4 Guy Pelletier 
 *       - 350487: JPA 2.1 Specification defined support for Stored Procedure Calls
 ******************************************************************************/  
package org.eclipse.persistence.annotations;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

import javax.persistence.QueryHint;

/** 
 * A NamedStoredProcedureQuery annotation allows the definition of queries that 
 * call stored procedures as named queries.
 * 
 * A NamedStoredProcedureQuery annotation may be defined on an Entity or
 * MappedSuperclass.
 * 
 * @see org.eclipse.persistence.annotations.StoredProcedureParameter
 * @author Guy Pelletier
 * @since Oracle TopLink 11.1.1.0.0 
 */ 
@Target({TYPE})
@Retention(RUNTIME)
public @interface NamedStoredProcedureQuery {
    /**
     * (Required) Unique name that references this stored procedure query.
     */
    String name();

    /**
     * (Optional) Query hints.
     */
    QueryHint[] hints() default {};

    /**
     * (Optional) Refers to the class of the result.
     * @deprecated
     * @see resultClasses
     */
    Class resultClass() default void.class;

    /**
     * (Optional) Refers to the classes of the result.
     */
    Class[] resultClasses() default {};
    
    /**
     * (Optional) The name of the SQLResultMapping.
     * @deprecated
     * @see resultSetMappings
     */
    String resultSetMapping() default "";
    
    /**
     * (Optional) The names of the SQLResultMappings.
     */
    String[] resultSetMappings() default {};

    /**
     * (Required) The name of the stored procedure.
     */
    String procedureName();

    /**
     * (Optional) Defines if stored procedure returns a result set.
     * This is only relevant on databases that support returning result sets 
     * from stored procedures.
     */
    boolean returnsResultSet() default false;
    
    /**
     * (Optional) Defines if the stored procedure returns multiple result sets.
     * This is only relevant on databases that support multiple result sets from 
     * stored procedures.
     */
    boolean multipleResultSets() default false;
    
    /**
     * (Optional) Defines if the stored procedure should be called by index or 
     * by name. By index requires that the StoredProcedureParameter are defined 
     * in the same order as the procedure on the database. By name requires the 
     * database platform support naming procedure parameters.
     */
    boolean callByIndex() default false;

    /**
     * (Optional) Defines the parameters to the stored procedure.
     */
    StoredProcedureParameter[] parameters() default {};
}
