/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform 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 the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.visitors;
import org.whole.lang.model.IEntity;
import org.whole.lang.reflect.EntityDescriptor;
import org.whole.lang.reflect.ILanguageKit;
/**
* @author Riccardo Solmi
*/
public class DynamicMonoLanguageVariantVisitor extends AbstractDynamicVariantVisitor {
private IVisitor[] cases;
private ILanguageKit languageKit;
public DynamicMonoLanguageVariantVisitor(ILanguageKit languageKit) {
this.languageKit = languageKit;
this.cases = new IVisitor[languageKit.getEntityDescriptorEnum().size()];
}
public void addVisit(EntityDescriptor<?> ed, IVisitor visitor) {
cases[ed.getOrdinal()] = visitor;
}
public void removeVisit(EntityDescriptor<?> ed) {
cases[ed.getOrdinal()] = null;
}
public void visit(IEntity entity) {
EntityDescriptor<?> ed = entity.wGetEntityDescriptor();
IVisitor caseVisitor = null;
if (ed.getLanguageKit().equals(languageKit))
caseVisitor = cases[ed.getOrdinal()];
if (caseVisitor == null)
caseVisitor = superVisitor;
if (caseVisitor == null)
throw new VisitException();
caseVisitor.visit(entity);
}
}