/**
* Create ColumnSpec from binary data.
*
* @param DataStream $data
* @param string $keyspace
* @param string $tablename
*/
public function __construct(DataStream $data, $keyspace = NULL, $tablename = NULL)
{
if (is_null($keyspace)) {
$this->keyspace = $data->readString();
$this->tablename = $data->readString();
} else {
$this->keyspace = $keyspace;
$this->tablename = $tablename;
}
$this->name = $data->readString();
$this->type = new TypeSpec($data);
}
/**
* Construct new TypeSpec from binary data.
*
* @param DataStream $data
*/
public function __construct(DataStream $data)
{
$this->type = $data->readShort();
switch ($this->type) {
case self::CUSTOM:
$this->customTypename = $data->readString();
break;
case self::COLLECTION_LIST:
case self::COLLECTION_SET:
$this->valueType = new TypeSpec($data);
break;
case self::COLLECTION_MAP:
$this->keyType = new TypeSpec($data);
$this->valueType = new TypeSpec($data);
break;
}
}
/**
* Get current row.
*
* @see Iterator::current()
*/
public function current()
{
if (!isset($this->rows[$this->current])) {
throw new OutOfRangeException('Invalid index');
}
$row = $this->rows[$this->current];
$object = new stdClass();
for ($i = 0; $i < $this->columnCount; ++$i) {
try {
$data = new DataStream($this->rows[$this->current][$i]);
$row[$i] = $data->readByType($this->columns[$i]->getType());
} catch (Exception $e) {
$row[$i] = null;
}
}
return $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);
}