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Hibernate definition of the Java Persistence 2.0 (JSR 317) API.

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

/**
 * The TupleElement interface defines an element that is returned in
 * a query result tuple.
 *
 * @param  the type of the element
 * @see Tuple
 * @since Java Persistence 2.0
 */
public interface TupleElement {
	/**
	 * Return the Java type of the tuple element.
	 *
	 * @return the Java type of the tuple element
	 */
	Class getJavaType();

	/**
	 * Return the alias assigned to the tuple element or null,
	 * if no alias has been assigned.
	 *
	 * @return alias
	 */
	String getAlias();
}