public function write($output)
{
$xfer = 0;
$xfer += $output->writeStructBegin('ClientService_open_scanner_args');
if ($this->ns !== null) {
$xfer += $output->writeFieldBegin('ns', TType::I64, 1);
$xfer += $output->writeI64($this->ns);
$xfer += $output->writeFieldEnd();
}
if ($this->table_name !== null) {
$xfer += $output->writeFieldBegin('table_name', TType::STRING, 2);
$xfer += $output->writeString($this->table_name);
$xfer += $output->writeFieldEnd();
}
if ($this->scan_spec !== null) {
if (!is_object($this->scan_spec)) {
throw new TProtocolException('Bad type in structure.', TProtocolException::INVALID_DATA);
}
$xfer += $output->writeFieldBegin('scan_spec', TType::STRUCT, 3);
$xfer += $this->scan_spec->write($output);
$xfer += $output->writeFieldEnd();
}
if ($this->retry_table_not_found !== null) {
$xfer += $output->writeFieldBegin('retry_table_not_found', TType::BOOL, 4);
$xfer += $output->writeBool($this->retry_table_not_found);
$xfer += $output->writeFieldEnd();
}
$xfer += $output->writeFieldStop();
$xfer += $output->writeStructEnd();
return $xfer;
}