MetaDataProvider.java

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);
	
}