https://github.com/javaee/jpa-spec: Java(TM) Persistence API 
Copyright (c) 2008 - 2013 Oracle Corporation. 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:
    Linda DeMichiel - Java Persistence 2.1
    Linda DeMichiel - Java Persistence 2.0

/*******************************************************************************
 * Copyright (c) 2008 - 2013 Oracle Corporation. 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:
 *     Linda DeMichiel - Java Persistence 2.1
 *     Linda DeMichiel - Java Persistence 2.0
 *
 ******************************************************************************/
package javax.persistence;


The validation mode to be used by the provider for the persistence
unit.

Since:Java Persistence 2.0
/**
 * The validation mode to be used by the provider for the persistence
 * unit.
 * 
 * @since Java Persistence 2.0
 */
public enum ValidationMode {
   
    
If a Bean Validation provider is present in the environment,
the persistence provider must perform the automatic validation
of entities.  If no Bean Validation provider is present in the
environment, no lifecycle event validation takes place.
This is the default behavior.

/**
     * If a Bean Validation provider is present in the environment,
     * the persistence provider must perform the automatic validation
     * of entities.  If no Bean Validation provider is present in the
     * environment, no lifecycle event validation takes place.
     * This is the default behavior.
     */
    AUTO,

    
The persistence provider must perform the lifecycle event
validation.  It is an error if there is no Bean Validation
provider present in the environment.

/**
     * The persistence provider must perform the lifecycle event
     * validation.  It is an error if there is no Bean Validation
     * provider present in the environment.
     */
    CALLBACK,

    
The persistence provider must not perform lifecycle event validation.

/**
     * The persistence provider must not perform lifecycle event validation.
     */
    NONE
    }