javax.persistence.criteria.CriteriaDelete Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2011 - 2013 Oracle Corporation. 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.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
*
******************************************************************************/
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 entity 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 entity 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 delete 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 delete query
*/
CriteriaDelete where(Expression restriction);
/**
* Modify the delete 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 delete query
*/
CriteriaDelete where(Predicate... restrictions);
}