/**
* 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;
import com.rapidminer.operator.ports.metadata.MetaData;
/**
* Classes implementing this interface can be added to inputports as listener. These input ports
* then inform the classes about a change in the meta data.
*
* @author Sebastian Land
*
*/
public interface MetaDataChangeListener {
/**
* This method is called if the meta data is newly assigned. The given MetaData might be null,
* if the ports have been cleared.
*/
public void informMetaDataChanged(MetaData newMetadata);
}