/**
	 * Retrieve object using using composite pkey values.
	 * @param      string $id_matiere
	 * @param      string $id_professeur
	 * @param      PropelPDO $con
	 * @return     JProfesseursMatieres
	 */
	public static function retrieveByPK($id_matiere, $id_professeur, PropelPDO $con = null) {
		$_instancePoolKey = serialize(array((string) $id_matiere, (string) $id_professeur));
 		if (null !== ($obj = JProfesseursMatieresPeer::getInstanceFromPool($_instancePoolKey))) {
 			return $obj;
		}

		if ($con === null) {
			$con = Propel::getConnection(JProfesseursMatieresPeer::DATABASE_NAME, Propel::CONNECTION_READ);
		}
		$criteria = new Criteria(JProfesseursMatieresPeer::DATABASE_NAME);
		$criteria->add(JProfesseursMatieresPeer::ID_MATIERE, $id_matiere);
		$criteria->add(JProfesseursMatieresPeer::ID_PROFESSEUR, $id_professeur);
		$v = JProfesseursMatieresPeer::doSelect($criteria, $con);

		return !empty($v) ? $v[0] : null;
	}
	/**
	 * Find object by primary key using raw SQL to go fast.
	 * Bypass doSelect() and the object formatter by using generated code.
	 *
	 * @param     mixed $key Primary key to use for the query
	 * @param     PropelPDO $con A connection object
	 *
	 * @return    JProfesseursMatieres A model object, or null if the key is not found
	 */
	protected function findPkSimple($key, $con)
	{
		$sql = 'SELECT ID_MATIERE, ID_PROFESSEUR, ORDRE_MATIERES FROM j_professeurs_matieres WHERE ID_MATIERE = :p0 AND ID_PROFESSEUR = :p1';
		try {
			$stmt = $con->prepare($sql);
			$stmt->bindValue(':p0', $key[0], PDO::PARAM_STR);
			$stmt->bindValue(':p1', $key[1], PDO::PARAM_STR);
			$stmt->execute();
		} catch (Exception $e) {
			Propel::log($e->getMessage(), Propel::LOG_ERR);
			throw new PropelException(sprintf('Unable to execute SELECT statement [%s]', $sql), $e);
		}
		$obj = null;
		if ($row = $stmt->fetch(PDO::FETCH_NUM)) {
			$obj = new JProfesseursMatieres();
			$obj->hydrate($row);
			JProfesseursMatieresPeer::addInstanceToPool($obj, serialize(array((string) $key[0], (string) $key[1])));
		}
		$stmt->closeCursor();

		return $obj;
	}
	/**
	 * Populates the object using an array.
	 *
	 * This is particularly useful when populating an object from one of the
	 * request arrays (e.g. $_POST).  This method goes through the column
	 * names, checking to see whether a matching key exists in populated
	 * array. If so the setByName() method is called for that column.
	 *
	 * You can specify the key type of the array by additionally passing one
	 * of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME,
	 * BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
	 * The default key type is the column's phpname (e.g. 'AuthorId')
	 *
	 * @param      array  $arr     An array to populate the object from.
	 * @param      string $keyType The type of keys the array uses.
	 * @return     void
	 */
	public function fromArray($arr, $keyType = BasePeer::TYPE_PHPNAME)
	{
		$keys = JProfesseursMatieresPeer::getFieldNames($keyType);

		if (array_key_exists($keys[0], $arr)) $this->setIdMatiere($arr[$keys[0]]);
		if (array_key_exists($keys[1], $arr)) $this->setIdProfesseur($arr[$keys[1]]);
		if (array_key_exists($keys[2], $arr)) $this->setOrdreMatieres($arr[$keys[2]]);
	}