/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.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.operator.ports.metadata;
import com.rapidminer.operator.ExecutionUnit;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.ports.Port;
/**
* Transforms the meta data by applying the meta data transformer of a subprocess. Remember to add
* this rule at the correct place, i.e. after the rules that ensure that the inner sources receive
* their meta data.
*
* @author Simon Fischer
*
*/
public class SubprocessTransformRule implements MDTransformationRule {
private final ExecutionUnit subprocess;
public SubprocessTransformRule(ExecutionUnit subprocess) {
this.subprocess = subprocess;
}
@Override
public void transformMD() {
for (Operator op : subprocess.getAllInnerOperators()) {
op.clear(Port.CLEAR_META_DATA_ERRORS);
}
subprocess.transformMetaData();
}
}