/*
* 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 <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.id;
import org.hibernate.dialect.Dialect;
/**
* Specialized contract for {@link IdentifierGenerator} implementations capable of being used in conjunction
* with HQL insert statements.
*
* @author Steve Ebersole
*/
public interface BulkInsertionCapableIdentifierGenerator extends IdentifierGenerator {
/**
* Given the configuration of this generator, is identifier generation as part of bulk insertion supported?
* <p/>
* IMPL NOTE : Mainly here to allow stuff like SequenceStyleGenerator which *can* support this based on
* configuration
*
* @return {@code true} if bulk insertions are supported; {@code false} otherwise.
*/
public boolean supportsBulkInsertionIdentifierGeneration();
/**
* Return the select expression fragment, if any, that generates the identifier values.
*
* @param dialect The dialect against which the insert will be performed.
*
* @return The identifier value generation fragment (SQL). {@code null} indicates that no fragment is needed.
*/
public String determineBulkInsertionIdentifierGenerationSelectFragment(Dialect dialect);
}