/*
* RapidMiner
*
* Copyright (C) 2001-2011 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* 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/.
*/
package com.rapidminer.io.process.rules;
import com.rapidminer.gui.tools.VersionNumber;
import com.rapidminer.io.process.XMLImporter;
import com.rapidminer.operator.Operator;
/** Rule that defines how operators are imported from earlier RapidMiner versions.
*
* @author Simon Fischer
*
*/
public interface ParseRule {
/** Applies the rule and possibly returns a message describing
* what has been modified.
* This takes only place if the rule applies as well to the operator as to the
* version of the process we are importing or the given processVersion is null.
* Null is returned if the rule did not apply.
* @param importer */
public String apply(Operator operator, VersionNumber processVersion, XMLImporter importer);
}