listGraphs(); $iterator->valid(); $iterator->next()) * { * $currentResource=$it->current(); * }; * * @version $Id$ * @author Daniel Westphal * * * @package dataset * @access public **/ class IteratorAllGraphsMem { /** * Holds a reference to the associated RDF dataset * * @var object dataset * @access private */ var $associatedGraphSet; /** * The current position * * @var integer * @access private */ var $key; /** * If the current resource is valid * * @var boolean * @access private */ var $valid; /** * The current NamedGraph * * @var obejct NamedGraph * @access private */ var $current; /** * Constructor. * * @param dataset * @access public */ function IteratorAllGraphsMem(&$namedGraphSet) { $this->associatedGraphSet=&$namedGraphSet; $this->rewind(); } /** * Resets iterator list to start * * @access public */ function rewind() { $this->key = -1; $this->next(); } /** * Says if there are additional items left in the list. * * @return boolean * @access public */ function valid() { return $this->valid; } /** * Moves Iterator to the next item in the list. * * @access public */ function next() { $this->current = &$this->associatedGraphSet->getGraphWithOffset(++$this->key); $this->valid=($this->current!=NULL); } /** * Returns the current item. * * @return mixed * @access public */ function ¤t() { return $this->current; } /** * Returns the key of the current item. * * @return integer * @access public */ function key() { return $this->key; } } ?>