$this->_force = CRM_Utils_Request::retrieve('force', 'Boolean', $this, FALSE);
$this->_limit = CRM_Utils_Request::retrieve('limit', 'Positive', $this);
$this->_context = CRM_Utils_Request::retrieve('context', 'String', $this, FALSE, 'search');
$this->_force = CRM_Utils_Request::retrieve('force', 'Boolean', $this, FALSE);
$this->_limit = CRM_Utils_Request::retrieve('limit', 'Positive', $this);
$this->_context = CRM_Utils_Request::retrieve('context', 'String', $this, FALSE, 'search');