org.hibernate.loader.plan.spi.visit.LoadPlanVisitor Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 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.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.loader.plan.spi.visit;
import org.hibernate.loader.plan.spi.LoadPlan;
/**
* Visitor for processing {@link org.hibernate.loader.plan.spi.Return} graphs
*
* @author Steve Ebersole
*/
public class LoadPlanVisitor {
public static void visit(LoadPlan loadPlan, LoadPlanVisitationStrategy strategy) {
new LoadPlanVisitor( strategy ).visit( loadPlan );
}
private final LoadPlanVisitationStrategy strategy;
private final ReturnGraphVisitor returnGraphVisitor;
public LoadPlanVisitor(LoadPlanVisitationStrategy strategy) {
this.strategy = strategy;
this.returnGraphVisitor = new ReturnGraphVisitor( strategy );
}
private void visit(LoadPlan loadPlan) {
strategy.start( loadPlan );
returnGraphVisitor.visit( loadPlan.getReturns() );
strategy.finish( loadPlan );
}
}