private CqlRowSet ProcessRowset(IOutput outp)
{
bool ok = false;
try
{
if (outp is OutputError)
{
var ex = (outp as OutputError).CreateException();
_logger.Error(ex);
throw ex;
}
else if (outp is OutputVoid)
{
return(new CqlRowSet(outp as OutputVoid, this));
}
else if (outp is OutputSchemaChange)
{
return(new CqlRowSet(outp as OutputSchemaChange, this));
}
else if (outp is OutputSetKeyspace)
{
SetKeyspace(CqlQueryTools.CqlIdentifier((outp as OutputSetKeyspace).Value));
return(new CqlRowSet(outp as OutputSetKeyspace, this));
}
else if (outp is OutputRows)
{
ok = true;
return(new CqlRowSet(outp as OutputRows, this, true));
}
else
{
var ex = new DriverInternalError("Unexpected output kind");
_logger.Error(ex);
throw ex;
}
}
finally
{
if (!ok)
{
outp.Dispose();
}
}
}
/// <summary>
/// Returns a CQL query representing this keyspace. This method returns a single
/// 'CREATE KEYSPACE' query with the options corresponding to this name
/// definition.
/// </summary>
///
/// <returns>the 'CREATE KEYSPACE' query corresponding to this name.
/// <see>#ExportAsString</see></returns>
public string AsCqlQuery()
{
var sb = new StringBuilder();
sb.Append("CREATE KEYSPACE ").Append(CqlQueryTools.CqlIdentifier(Name)).Append(" WITH ");
sb.Append("REPLICATION = { 'class' : '").Append(Replication["class"]).Append("'");
foreach (var rep in Replication)
{
if (rep.Key == "class")
{
continue;
}
sb.Append(", '").Append(rep.Key).Append("': '").Append(rep.Value).Append("'");
}
sb.Append(" } AND DURABLE_WRITES = ").Append(DurableWrites);
sb.Append(";");
return(sb.ToString());
}
CassandraConnection AllocateConnection(IPAddress endPoint, out Exception outExc)
{
CassandraConnection nconn = null;
outExc = null;
try
{
nconn = new CassandraConnection(this, endPoint, _protocolOptions, _socketOptions, _clientOptions, _authProvider);
var options = nconn.ExecuteOptions();
if (!string.IsNullOrEmpty(_keyspace))
{
var keyspaceId = CqlQueryTools.CqlIdentifier(_keyspace);
nconn.SetKeyspace(keyspaceId);
}
}
catch (Exception ex)
{
if (nconn != null)
{
nconn.Dispose();
}
if (CassandraConnection.IsStreamRelatedException(ex))
{
HostIsDown(endPoint);
outExc = ex;
return(null);
}
else
{
throw ex;
}
}
_logger.Info("Allocated new connection");
return(nconn);
}
public static string GetDropKeyspaceCQL(string keyspace)
{
return(string.Format(
@"DROP KEYSPACE {0}"
, CqlQueryTools.CqlIdentifier(keyspace)));
}
public static string GetUseKeyspaceCQL(string keyspace)
{
return(string.Format(
@"USE {0}"
, CqlQueryTools.CqlIdentifier(keyspace)));
}
