/**
* Create Rows object from binary data.
*
* @param DataStream $data
*/
public function __construct(DataStream $data)
{
$flags = $data->readInt();
$this->columnCount = $data->readInt();
if ($flags & 0x1) {
// Keyspace and tablename are specified globally.
$keyspace = $data->readString();
$tablename = $data->readString();
} else {
// Keyspace and tablename are specified per column.
$keyspace = null;
$tablename = null;
}
for ($i = 0; $i < $this->columnCount; ++$i) {
$this->columns[] = new ColumnSpec($data, $keyspace, $tablename);
}
$this->rowCount = $data->readInt();
for ($i = 0; $i < $this->rowCount; ++$i) {
$row = array();
for ($j = 0; $j < $this->columnCount; ++$j) {
try {
$row[] = $data->readBytes();
} catch (Exception $e) {
$row[] = null;
}
}
$this->rows[] = $row;
}
}
/**
* Read error frame.
*
* @param DataStream $data
* @return Exception
*/
public function readError(DataStream $data)
{
$code = $data->readInt();
$messages = array(0x0 => 'Server error', 0xa => 'Protocol error', 0x100 => 'Bad credentials', 0x1000 => 'Unavailable', 0x1001 => 'Overloaded', 0x1002 => 'Is bootstrapping', 0x1003 => 'Truncate error', 0x1100 => 'Write timeout', 0x1200 => 'Read timeout', 0x2000 => true, 0x2100 => 'Unauthorized', 0x2200 => true, 0x2300 => 'Config error', 0x2400 => 'Already exists', 0x2500 => 'Unprepared');
if (isset($messages[$code])) {
$message = $messages[$code];
if ($message === true) {
$message = $data->readString();
}
} else {
$message = 'Unknown error';
}
return new Exception($message, $code);
}
