public function setUriCharge( $uri = '',$sufix ='')
	{
		$toSetUri = $uri;
		if(!$uri) {
			$toSetUri = $this->getUriPrefix().'charges';
		}

        if($sufix) {
            $toSetUri .= "/$sufix";
        }

		$this->_uriCharge = $toSetUri;
	}