/*
* RapidMiner
*
* Copyright (C) 2001-2008 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.operator.condition;
import com.rapidminer.operator.IllegalInputException;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.OperatorChain;
import com.rapidminer.operator.WrongNumberOfInnerOperatorsException;
/**
* This condition can be used to check if all inner operators can handle the
* output of their predecessor.
*
* @author Ingo Mierswa
* @version $Id: SimpleChainInnerOperatorCondition.java,v 2.3 2006/04/14
* 11:42:27 ingomierswa Exp $
*/
public class SimpleChainInnerOperatorCondition implements InnerOperatorCondition {
public SimpleChainInnerOperatorCondition() {}
public Class[] checkIO(OperatorChain chain, Class[] input) throws IllegalInputException, WrongNumberOfInnerOperatorsException {
Class[] output = input;
for (int i = 0; i < chain.getNumberOfOperators(); i++) {
Operator operator = chain.getOperator(i);
if (operator.isEnabled())
output = operator.checkIO(output);
}
return output;
}
public String toHTML() {
return "All inner operators must be able to handle the output of their predecessor.";
}
}