/** * Retrieve object using using composite pkey values. * @param int $collection_id * @param int $file_id * @param PropelPDO $con * @return CollectionFile */ public static function retrieveByPK($collection_id, $file_id, PropelPDO $con = null) { $key = serialize(array((string) $collection_id, (string) $file_id)); if (null !== ($obj = CollectionFilePeer::getInstanceFromPool($key))) { return $obj; } if ($con === null) { $con = Propel::getConnection(CollectionFilePeer::DATABASE_NAME, Propel::CONNECTION_READ); } $criteria = new Criteria(CollectionFilePeer::DATABASE_NAME); $criteria->add(CollectionFilePeer::COLLECTION_ID, $collection_id); $criteria->add(CollectionFilePeer::FILE_ID, $file_id); $v = CollectionFilePeer::doSelect($criteria, $con); return !empty($v) ? $v[0] : null; }
/** * Gets an array of CollectionFile 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 CollectionFiles 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 $criteria * @return array CollectionFile[] * @throws PropelException */ public function getCollectionFiles($criteria = null, PropelPDO $con = null) { if ($criteria === null) { $criteria = new Criteria(FilePeer::DATABASE_NAME); } elseif ($criteria instanceof Criteria) { $criteria = clone $criteria; } if ($this->collCollectionFiles === null) { if ($this->isNew()) { $this->collCollectionFiles = array(); } else { $criteria->add(CollectionFilePeer::FILE_ID, $this->id); CollectionFilePeer::addSelectColumns($criteria); $this->collCollectionFiles = CollectionFilePeer::doSelect($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(CollectionFilePeer::FILE_ID, $this->id); CollectionFilePeer::addSelectColumns($criteria); if (!isset($this->lastCollectionFileCriteria) || !$this->lastCollectionFileCriteria->equals($criteria)) { $this->collCollectionFiles = CollectionFilePeer::doSelect($criteria, $con); } } } $this->lastCollectionFileCriteria = $criteria; return $this->collCollectionFiles; }