. */ /** * Doctrine_Node * * @package Doctrine * @subpackage Node * @license http://www.opensource.org/licenses/lgpl-license.php LGPL * @link www.phpdoctrine.org * @since 1.0 * @version $Revision$ * @author Joe Simms */ class Doctrine_Node implements IteratorAggregate { /** * @param object $record reference to associated Doctrine_Record instance */ protected $record; /** * @param array $options */ protected $options; /** * @param string $iteratorType (Pre | Post | Level) */ protected $iteratorType; /** * @param array $iteratorOptions */ protected $iteratorOptions; /** * The tree to which the node belongs. * * @var unknown_type */ protected $_tree; /** * contructor, creates node with reference to record and any options * * @param object $record instance of Doctrine_Record * @param array $options options */ public function __construct(Doctrine_Record $record, $options) { $this->record = $record; $this->options = $options; // Make sure that the tree object of the root component is used in the case // of column aggregation inheritance. $class = $record->getTable()->getComponentName(); $table = $record->getTable(); if ($table->getOption('inheritanceMap')) { $subclasses = $table->getSubclasses(); while (in_array($class, $subclasses)) { $class = get_parent_class($class); } } if ($class != $table->getComponentName()) { $this->_tree = $table->getConnection()->getTable($class)->getTree(); } else { $this->_tree = $table->getTree(); } } /** * factory method to return node instance based upon chosen implementation * * @param object $record instance of Doctrine_Record * @param string $impName implementation (NestedSet, AdjacencyList, MaterializedPath) * @param array $options options * @return object $options instance of Doctrine_Node */ public static function factory(Doctrine_Record $record, $implName, $options = array()) { $class = 'Doctrine_Node_' . $implName; if ( ! class_exists($class)) { throw new Doctrine_Node_Exception("The class $class must exist and extend Doctrine_Node"); } return new $class($record, $options); } /** * setter for record attribute * * @param object $record instance of Doctrine_Record */ public function setRecord(Doctrine_Record $record) { $this->record = $record; } /** * getter for record attribute * * @return object instance of Doctrine_Record */ public function getRecord() { return $this->record; } /** * convenience function for getIterator * * @param string $type type of iterator (Pre | Post | Level) * @param array $options options */ public function traverse($type = 'Pre', $options = array()) { return $this->getIterator($type, $options); } /** * get iterator * * @param string $type type of iterator (Pre | Post | Level) * @param array $options options */ public function getIterator($type = null, $options = null) { if ($type === null) { $type = (isset($this->iteratorType) ? $this->iteratorType : 'Pre'); } if ($options === null) { $options = (isset($this->iteratorOptions) ? $this->iteratorOptions : array()); } $implName = $this->record->getTable()->getOption('treeImpl'); $iteratorClass = 'Doctrine_Node_' . $implName . '_' . ucfirst(strtolower($type)) . 'OrderIterator'; return new $iteratorClass($this->record, $options); } /** * sets node's iterator type * * @param int */ public function setIteratorType($type) { $this->iteratorType = $type; } /** * sets node's iterator options * * @param int */ public function setIteratorOptions($options) { $this->iteratorOptions = $options; } }