javax.persistence.metamodel.PluralAttribute Maven / Gradle / Ivy
// $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
* @since Java Persistence 2.0
*/
public interface PluralAttribute extends Attribute, Bindable {
public static enum CollectionType {
/**
* Collection-valued attribute
*/
COLLECTION,
/**
* Set-valued attribute
*/
SET,
/**
* List-valued attribute
*/
LIST,
/**
* Map-valued attribute
*/
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();
}