org.eclipse.persistence.config.HintValues Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation

EclipseLink build based upon Git transaction f2b9fc5

There is a newer version: 5.0.0-B03

/*
 * Copyright (c) 1998, 2024 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.config;

/**
 * Hint values.
 * 
 * The class defines boolean values used by some EclipseLink query hints.
 *
 * 
JPA Query Hint usage:
 * {@snippet :
 *  query.setHint(QueryHints.REFRESH, HintValues.TRUE);
 * }
 * 
or
 * {@snippet :
 *  @QueryHint(name=QueryHints.REFRESH, value=HintValues.TRUE)
 * }
 *
 * Hint values are case-insensitive.
 *
 * @see QueryHints
 */
public final class HintValues {
    public static final String TRUE = "True";
    public static final String FALSE = "False";
    public static final String PERSISTENCE_UNIT_DEFAULT = "PersistenceUnitDefault";

    private HintValues() {
        // no instance please
    }
}