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.spi;


Load states returned by the ProviderUtil SPI methods. 
Since:Java Persistence 2.0
/**
 * Load states returned by the {@link ProviderUtil} SPI methods.
 * @since Java Persistence 2.0
 *
 */
public enum LoadState {
    
The state of the element is known to have been loaded. 
/** The state of the element is known to have been loaded. */
    LOADED,
    
The state of the element is known not to have been loaded. 
/** The state of the element is known not to have been loaded. */
    NOT_LOADED,
    
The load state of the element cannot be determined. 
/** The load state of the element cannot be determined. */
    UNKNOWN
}