/** * Piwik - Open source web analytics * * @link http://piwik.org * @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later * @version $Id: Manager.php 519 2008-06-09 01:59:24Z matt $ * * @package Piwik_DataTable */ /** * The DataTable_Manager registers all the instanciated DataTable and provides an * easy way to access them. This is used to store all the DataTable during the archiving process. * At the end of archiving, the ArchiveProcessing will read the stored datatable and record them in the DB. * * @package Piwik_DataTable */ class Piwik_DataTable_Manager { static private $instance = null; /** * Returns instance * * @return Piwik_DataTable_Manager */ static public function getInstance() { if (self::$instance == null) { $c = __CLASS__; self::$instance = new $c(); } return self::$instance; } /** * Array used to store the DataTable * * @var array */ protected $tables = array(); /** * Add a DataTable to the registry * * @param Piwik_DataTable * @return int Number of tables registered in the manager (including the one just added) */ public function addTable( $table ) { $this->tables[] = $table; return count($this->tables) - 1; } /** * Returns the DataTable associated to the ID $idTable. * NB: The datatable has to have been instanciated before! * This method will not fetch the DataTable from the DB. * * @exception If the table can't be found * @return Piwik_DataTable The table */ public function getTable( $idTable ) { if(!isset($this->tables[$idTable])) { throw new Exception(sprintf("The requested table (id = %d) couldn't be found in the DataTable Manager", $idTable)); } return $this->tables[$idTable]; } /** * Delete all the registered DataTables from the manager * * @return void */ public function deleteAll() { $this->tables = array(); } public function deleteTable( $id ) { if(isset($this->tables[$id])) { $this->tables[$id] = null; } } /** * Returns the number of DataTable currently registered. * * @return int */ public function count() { return count($this->tables); } }
