DataSift_StreamConsumer::__construct PHP Method

    protected function __construct($user, $definition, $eventHandler)
    {
        if (!$user instanceof DataSift_User) {
            throw new DataSift_Exception_InvalidData('Please supply a valid DataSift_User object when creating a DataSift_StreamConsumer object.');
        }
        if (is_array($definition) && count($definition) > 0) {
            // Yes, we're multi
            $this->_is_multi = true;
            // Get the hashes
            foreach ($definition as $d) {
                if ($d instanceof DataSift_Definition) {
                    $this->_hashes[] = $d->getHash();
                } else {
                    $this->_hashes[] = $d;
                }
            }
        } elseif (is_string($definition)) {
            // Convert the CSDL into a Definition object
            $this->_definition = $user->createDefinition($definition);
        } elseif ($definition instanceof DataSift_Definition) {
            // Already a Definition object
            $this->_definition = $definition;
        } else {
            throw new DataSift_Exception_InvalidData('The definition must be a CSDL string, a DataSift_Definition object, or an array of stream hashes.');
        }
        // Set the user
        $this->_user = $user;
        // Validate and set the event handler
        if (!$eventHandler instanceof DataSift_IStreamConsumerEventHandler) {
            throw new DataSift_Exception_InvalidData('Your event handler object must implement the DataSift_IStreamConsumerEventHandler interface.');
        }
        $this->_eventHandler = $eventHandler;
        // Ask for the definition hash - this will compile the definition if
        // necessary
        if (!$this->_is_multi) {
            $this->_definition->getHash();
        }
    }

 /**
  * Constructor.
  *
  * @param DataSift_User $user          The authenticated user
  * @param mixed         $definition    CSDL string, Definition object, or array of hashes
  * @param mixed         $eventHandler  An object that implements IStreamConsumerEventHandler
  *
  * @throws DataSift_Exception_InvalidData
  * @throws DataSift_Exceotion_CompileFailed
  * @throws DataSift_Exception_APIError
  * @see DataSift_StreamConsumer::__construct
  */
 public function __construct($user, $definition, $eventHandler)
 {
     parent::__construct($user, $definition, $eventHandler);
 }