jpa/org.eclipse.persistence.jpars.server/src/main/java/org/eclipse/persistence/jpa/rs/util/list/SingleResultQuery.java

/*
 * Copyright (c) 2014, 2021 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 v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//      Dmitry Kornilov - Initial implementation
package org.eclipse.persistence.jpa.rs.util.list;

import jakarta.xml.bind.JAXBElement;
import java.util.List;

/**
 * Marker interface for queries returning single results.
 *
 * @see org.eclipse.persistence.jpa.rs.util.list.SingleResultQueryResult
 * @see org.eclipse.persistence.jpa.rs.util.list.SingleResultQueryList
 *
 * @author Dmitry Kornilov
 * @since EclipseLink 2.6.0.
 */
public interface SingleResultQuery {
    /**
     * Gets a list fields.
     *
     * @return a list of JAXBElement.
     */
    List<JAXBElement<?>> getFields();

    /**
     * Sets a list of fields.
     *
     * @param fields fields to set.
     */
    void setFields(List<JAXBElement<?>> fields);
}