/** * Simple Statement class * * * @author Sergey Melnik * @author Janne Saarela */package org.w3c.rdf.model;import org.w3c.rdf.model.*;/** * An RDF statement.<p> *  * Statements must implement <code>getURI()</code> according to a standard MD5-based algorithm. * * @see org.w3c.tools.crypt.DigestUtil * @see org.w3c.rdf.util.RDFDigestUtil */public interface Statement extends Resource {  /**   * @return subject of the triple   */  public Resource subject() throws ModelException;  /**   * @return predicate of the triple   */  public Resource predicate() throws ModelException;  /**   * @return object of the triple   */  public RDFNode object() throws ModelException;  /**   * @return the model that contains this triple, <code>null</code> if none   */  //  public RDFModel getOwnerModel();}