/**
* 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 java.util.HashMap;
import java.util.Map;
import org.whole.lang.model.IEntity;
import org.whole.lang.reflect.EntityDescriptor;
/**
* @author Riccardo Solmi
*/
public class DynamicCrossLanguageVariantVisitor extends AbstractDynamicVariantVisitor {
protected Map<EntityDescriptor<?>, IVisitor> cases;
public DynamicCrossLanguageVariantVisitor() {
cases = new HashMap<EntityDescriptor<?>, IVisitor>();
}
public void addVisit(EntityDescriptor<?> ed, IVisitor visitor) {
cases.put(ed, visitor);
}
public void removeVisit(EntityDescriptor<?> ed) {
cases.remove(ed);
}
public void visit(IEntity entity) {
IVisitor caseVisitor = cases.get(entity.wGetEntityDescriptor());
if (caseVisitor == null)
caseVisitor = superVisitor;
if (caseVisitor == null)
throw new VisitException();
caseVisitor.visit(entity);
}
}