/**
* 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.parameter;
import com.rapidminer.operator.ports.MetaDataChangeListener;
import com.rapidminer.operator.ports.metadata.MetaData;
/**
* Many parameter types depend on {@link MetaData} arriving at the operator they belong to. This
* meta data may be different each time the editor component is shown. To that end, the parameter
* type can use this interface to query the current meta data.
*
* GUI components can also add listeners to be informed upon change.
*
* @author Simon Fischer
* */
public interface MetaDataProvider {
/** Returns the meta data currently avaiable. */
public MetaData getMetaData();
public void addMetaDataChangeListener(MetaDataChangeListener l);
public void removeMetaDataChangeListener(MetaDataChangeListener l);
}