package ever.workflowRepresentation;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;

public abstract class Facet {
	/**
	 * Facet objects contain additional information about a task or a product. The simplest version is pair definition-value
	 */	
				
	/**
	 * Writes the xml representation of the facet to the XmlStreamWriter
	 * @param writer
	 * @throws XMLStreamException
	 */
	public abstract void exportWf2Xml(XMLStreamWriter writer) throws XMLStreamException;	
	
	
	@Override
	public abstract int hashCode();
	@Override
	public abstract boolean equals(Object obj);
	
	
		
}