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Hibernate developmental JSR 317 (Java Persistence API 2.0) contracts. Used to allow incremental implementation of features on the way to full JPA 2.0 support.

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// $Id: PersistenceProviderResolver.java 16130 2009-03-10 14:28:07Z hardy.ferentschik $
// EJB3 Specification Copyright 2004-2009 Sun Microsystems, Inc.
package javax.persistence.spi;

import java.util.List;

/**
 * Determine the list of persistence providers available in the
 * runtime environment
 * 
 * Persistence providers are identified by the presence of
 * META-INF/services/javax.persistence.spi.PersistenceProvider
 * files following the Service Provider pattern.
 * 

 * Each META-INF/services/javax.persistence.spi.PersistenceProvider * file contains the name of the provider implementation class of the
 * javax.persistence.spi.PersistenceProvider interface.
 * 
 * Implementations must be thread-safe.
 */
public interface PersistenceProviderResolver {
	/**
	 * Returns a list of PersistenceProvider implementations
	 * available in the runtime environment.
	 *
	 * @return list of persistence providers available
	 *         in the environment
	 */
	List getPersistenceProviders();
}