foundation/org.eclipse.persistence.core/src/main/java/org/eclipse/persistence/annotations/JoinFetchType.java

/*
 * Copyright (c) 1998, 2020 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:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.annotations;

/**
 * An enum type that is used within the JoinFetch annotation.
 *
 * @see org.eclipse.persistence.annotations.JoinFetch
 * @author James Sutherland
 * @since Oracle TopLink 11.1.1.0.0
 */
public enum JoinFetchType {
    /**
     * An inner join is used to fetch the related object.
     * This does not allow for null/empty values.
     */
    INNER,

    /**
     * An inner join is used to fetch the related object.
     * This allows for null/empty values.
     */
    OUTER,
}