OneToOneQueryKey.java

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 * Copyright (c) 1998, 2015 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
 ******************************************************************************/
package org.eclipse.persistence.mappings.querykeys;

/**
 * <p>
 * <b>Purpose</b>: Define an alias to a foreign one to one object.
 * </p>
 */
public class OneToOneQueryKey extends ForeignReferenceQueryKey {
    // CR#2466 removed joinCriteria because it is already in ForeignReferenceQueryKey - TW

    /**
     * INTERNAL:
     * override the isOneToOneQueryKey() method in the superclass to return true.
     * @return boolean
     */
    public boolean isOneToOneQueryKey() {
        return true;
    }
}