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RDF2go is an implementation-independent Java API with the design goals: portability (hence the name), performance and ease of implementation. This project was started at FZI Forschungszentrum Informatik Karlsruhe, Germany - www.fzi.de

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/**
 * LICENSE INFORMATION
 *
 * Copyright 2005-2008 by FZI (http://www.fzi.de).
 * Licensed under a BSD license (http://www.opensource.org/licenses/bsd-license.php)
 *  = Max Völkel
 *  = FZI Forschungszentrum Informatik Karlsruhe, Karlsruhe, Germany
 *  = 2010
 *
 * Further project information at http://semanticweb.org/wiki/RDF2Go
 */

package org.ontoware.rdf2go.model;

import org.ontoware.rdf2go.exception.ModelRuntimeException;
import org.ontoware.rdf2go.model.node.Node;

/**
 * @author voelkel
 */
public interface QueryRow {

	/**
	 * @param varname without leading questionmark. E.g. use "x" not "?x".
	 * @return the binding for the variable with the name varname
	 */
	public Node getValue(String varname);

	/**
	 * Convenience for 
	 * getValue("x").asString()
	 * 
	 */
	public String getLiteralValue(String varname) throws ModelRuntimeException;

}