/*
This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Affero General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your option) any
later version.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along
with this program; if not, see http://www.gnu.org/licenses or write to the Free
Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
*/
package com.servoy.j2db.util.visitor;
/**
* Interface for objects that can visit IVisitable structures.
*
* @see IVisitable
* @author rgansevles
*/
public interface IVisitor
{
/**
* visit method, return o or a replacement of o (will stop traversal). Traversal can be controlled also by returning VistorResult.
*
* @param o
* @return
*/
Object visit(Object o);
public static class VistorResult
{
public final boolean continueTraversal;
public final Object object;
public VistorResult(Object object, boolean continueTraversal)
{
this.object = object;
this.continueTraversal = continueTraversal;
}
}
}