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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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// $Id:$
// EJB3 Specification Copyright 2004-2009 Sun Microsystems, Inc.
package javax.persistence.metamodel;

/**
 * Instances of the type PluralAttribute represent
 * persistent collection-valued attributes.
 *
 * @param  The type the represented collection belongs to
 * @param  The type of the represented collection
 * @param  The element type of the represented collection
 */
public interface PluralAttribute
		extends Attribute, Bindable {

	public static enum CollectionType {
		COLLECTION, SET, LIST, MAP
	}

	/**
	 * Return the collection type.
	 *
	 * @return collection type
	 */
	CollectionType getCollectionType();

	/**
	 * Return the type representing the element type of the
	 * collection.
	 *
	 * @return element type
	 */
	Type getElementType();
}