org.hibernate.hql.internal.ast.exec.MultiTableDeleteExecutor Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, 2012, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
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*/
package org.hibernate.hql.internal.ast.exec;
import org.hibernate.HibernateException;
import org.hibernate.action.internal.BulkOperationCleanupAction;
import org.hibernate.engine.spi.QueryParameters;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.event.spi.EventSource;
import org.hibernate.hql.internal.ast.HqlSqlWalker;
import org.hibernate.hql.spi.MultiTableBulkIdStrategy;
/**
* Implementation of MultiTableDeleteExecutor.
*
* @author Steve Ebersole
*/
public class MultiTableDeleteExecutor implements StatementExecutor {
private final MultiTableBulkIdStrategy.DeleteHandler deleteHandler;
public MultiTableDeleteExecutor(HqlSqlWalker walker) {
MultiTableBulkIdStrategy strategy = walker.getSessionFactoryHelper()
.getFactory()
.getSettings()
.getMultiTableBulkIdStrategy();
this.deleteHandler = strategy.buildDeleteHandler( walker.getSessionFactoryHelper().getFactory(), walker );
}
public String[] getSqlStatements() {
return deleteHandler.getSqlStatements();
}
public int execute(QueryParameters parameters, SessionImplementor session) throws HibernateException {
BulkOperationCleanupAction action = new BulkOperationCleanupAction( session, deleteHandler.getTargetedQueryable() );
if ( session.isEventSource() ) {
( (EventSource) session ).getActionQueue().addAction( action );
}
else {
action.getAfterTransactionCompletionProcess().doAfterTransactionCompletion( true, session );
}
return deleteHandler.execute( session, parameters );
}
}