/**
* 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.operations.ICloneContext;
/**
* @author Riccardo Solmi
*/
public abstract class AbstractLazyCloneableVisitor extends AbstractVisitor {
private ICloneContext cloneContext;
@Override
public IVisitor clone(ICloneContext cc) {
AbstractLazyCloneableVisitor visitor = (AbstractLazyCloneableVisitor) super.clone(cc);
visitor.cloneContext = cc;
cloneContext = cc.getPrototypeCloneContext();
return visitor;
}
protected ICloneContext getCloneContext() {
return cloneContext;
}
protected void updateCloneContext() {
if (isLazyCloneEmpty())
cloneContext = null;
}
protected abstract boolean isLazyCloneEmpty();
}