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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate.query.criteria.internal;

import javax.persistence.criteria.Path;
import javax.persistence.metamodel.Attribute;

/**
 * Implementation contract for the JPA {@link Path} interface.
 *
 * @author Steve Ebersole
 */
public interface PathImplementor extends ExpressionImplementor, Path, PathSource, Renderable {
	/**
	 * Retrieve reference to the attribute this path represents.
	 *
	 * @return The metamodel attribute.
	 */
	public Attribute getAttribute();

	/**
	 * Defines handling for the JPA 2.1 TREAT down-casting feature.
	 *
	 * @param treatAsType The type to treat the path as.
	 * @param  The parameterized type representation of treatAsType.
	 *
	 * @return The properly typed view of this path.
	 */
	public  PathImplementor treatAs(Class treatAsType);
}