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Clean-room definition of JPA APIs intended for use in developing Hibernate JPA implementation. See README.md for details

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/*
 * Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.  The Eclipse Public License is available
 * at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
 * is available at http://www.eclipse.org/org/documents/edl-v10.php.
 */
package javax.persistence.criteria;

import javax.persistence.metamodel.EntityType;

/**
 * The CriteriaDelete interface defines functionality for performing
 * bulk delete operations using the Criteria API
 * 
 * Criteria API bulk delete operations map directly to database
 * delete operations. The persistence context is not synchronized
 * with the result of the bulk delete.
 * 

 * A CriteriaDelete object must have a single root.
 *
 * @param  the entity type that is the target of the delete
 *
 * @since Java Persistence 2.1
 */
public interface CriteriaDelete extends CommonAbstractCriteria {
	/**
	 * Create and add a query root corresponding to the entity
	 * that is the target of the delete.
	 * A CriteriaDelete object has a single root, the object that
	 * is being deleted.
	 *
	 * @param entityClass the entity class
	 *
	 * @return query root corresponding to the given entity
	 */
	Root from(Class entityClass);

	/**
	 * Create and add a query root corresponding to the entity
	 * that is the target of the delete.
	 * A CriteriaDelete object has a single root, the object that
	 * is being deleted.
	 *
	 * @param entity metamodel entity representing the entity
	 * 
	 * of type X
	 *
	 * @return query root corresponding to the given entity
	 */
	Root from(EntityType entity);

	/**
	 * Return the query root.
	 *
	 * @return the query root
	 */
	Root getRoot();

	/**
	 * Modify the query to restrict the target of the deletion
	 * according to the specified boolean expression.
	 * Replaces the previously added restriction(s), if any.
	 *
	 * @param restriction a simple or compound boolean expression
	 *
	 * @return the modified query
	 */
	CriteriaDelete where(Expression restriction);

	/**
	 * Modify the query to restrict the target of the deletion
	 * according to the conjunction of the specified restriction
	 * predicates.
	 * Replaces the previously added restriction(s), if any.
	 * If no restrictions are specified, any previously added
	 * restrictions are simply removed.
	 *
	 * @param restrictions zero or more restriction predicates
	 *
	 * @return the modified query
	 */
	CriteriaDelete where(Predicate... restrictions);
}