/** * Gets an array of Featurevectorsegment objects which contain a foreign key that references this object. * * If this collection has already been initialized with an identical Criteria, it returns the collection. * Otherwise if this File has previously been saved, it will retrieve * related Featurevectorsegments from storage. If this File is new, it will return * an empty collection or the current collection, the criteria is ignored on a new object. * * @param PropelPDO $con * @param Criteria $criteria * @return array Featurevectorsegment[] * @throws PropelException */ public function getFeaturevectorsegments($criteria = null, PropelPDO $con = null) { if ($criteria === null) { $criteria = new Criteria(FilePeer::DATABASE_NAME); } elseif ($criteria instanceof Criteria) { $criteria = clone $criteria; } if ($this->collFeaturevectorsegments === null) { if ($this->isNew()) { $this->collFeaturevectorsegments = array(); } else { $criteria->add(FeaturevectorsegmentPeer::FILE_ID, $this->id); FeaturevectorsegmentPeer::addSelectColumns($criteria); $this->collFeaturevectorsegments = FeaturevectorsegmentPeer::doSelect($criteria, $con); } } else { // criteria has no effect for a new object if (!$this->isNew()) { // the following code is to determine if a new query is // called for. If the criteria is the same as the last // one, just return the collection. $criteria->add(FeaturevectorsegmentPeer::FILE_ID, $this->id); FeaturevectorsegmentPeer::addSelectColumns($criteria); if (!isset($this->lastFeaturevectorsegmentCriteria) || !$this->lastFeaturevectorsegmentCriteria->equals($criteria)) { $this->collFeaturevectorsegments = FeaturevectorsegmentPeer::doSelect($criteria, $con); } } } $this->lastFeaturevectorsegmentCriteria = $criteria; return $this->collFeaturevectorsegments; }
/** * Retrieve object using using composite pkey values. * @param int $segmentnr * @param int $track_id * @param int $featurevectortype_id * @param PropelPDO $con * @return Featurevectorsegment */ public static function retrieveByPK($segmentnr, $track_id, $featurevectortype_id, PropelPDO $con = null) { $key = serialize(array((string) $segmentnr, (string) $track_id, (string) $featurevectortype_id)); if (null !== ($obj = FeaturevectorsegmentPeer::getInstanceFromPool($key))) { return $obj; } if ($con === null) { $con = Propel::getConnection(FeaturevectorsegmentPeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(FeaturevectorsegmentPeer::DATABASE_NAME); $criteria->add(FeaturevectorsegmentPeer::SEGMENTNR, $segmentnr); $criteria->add(FeaturevectorsegmentPeer::TRACK_ID, $track_id); $criteria->add(FeaturevectorsegmentPeer::FEATUREVECTORTYPE_ID, $featurevectortype_id); $v = FeaturevectorsegmentPeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }