public void HandleSchemaChange(ResponseFrame frame)
{
var ce = new SchemaChangeEventArgs();
CassandraEventArgs = ce;
var changeTypeText = BeBinaryReader.ReadString();
SchemaChangeEventArgs.Reason changeType;
switch (changeTypeText)
{
case "UPDATED":
changeType = SchemaChangeEventArgs.Reason.Updated;
break;
case "DROPPED":
changeType = SchemaChangeEventArgs.Reason.Dropped;
break;
default:
changeType = SchemaChangeEventArgs.Reason.Created;
break;
}
ce.What = changeType;
if (frame.Header.Version < 3)
{
//protocol v1 and v2: <change_type><keyspace><table>
ce.Keyspace = BeBinaryReader.ReadString();
ce.Table = BeBinaryReader.ReadString();
return;
}
//protocol v3+: <change_type><target><options>
var target = BeBinaryReader.ReadString();
ce.Keyspace = BeBinaryReader.ReadString();
switch (target)
{
case "TABLE":
ce.Table = BeBinaryReader.ReadString();
break;
case "TYPE":
ce.Type = BeBinaryReader.ReadString();
break;
case "FUNCTION":
ce.FunctionName = BeBinaryReader.ReadString();
ce.Signature = BeBinaryReader.ReadStringList();
break;
case "AGGREGATE":
ce.AggregateName = BeBinaryReader.ReadString();
ce.Signature = BeBinaryReader.ReadStringList();
break;
}
}
internal ResultResponse(ResponseFrame frame) : base(frame)
{
//Handle result flags
if ((frame.Header.Flags & FrameHeader.HeaderFlag.Warning) != 0)
{
Warnings = BeBinaryReader.ReadStringList();
}
if ((frame.Header.Flags & FrameHeader.HeaderFlag.CustomPayload) != 0)
{
CustomPayload = BeBinaryReader.ReadBytesMap();
}
Kind = (ResultResponseKind)BeBinaryReader.ReadInt32();
switch (Kind)
{
case ResultResponseKind.Void:
Output = new OutputVoid(TraceId);
break;
case ResultResponseKind.Rows:
Output = new OutputRows(frame.Header.Version, BeBinaryReader, TraceId);
break;
case ResultResponseKind.SetKeyspace:
Output = new OutputSetKeyspace(BeBinaryReader.ReadString());
break;
case ResultResponseKind.Prepared:
Output = new OutputPrepared(frame.Header.Version, BeBinaryReader);
break;
case ResultResponseKind.SchemaChange:
Output = new OutputSchemaChange(BeBinaryReader, TraceId);
break;
default:
throw new DriverInternalError("Unknown ResultResponseKind Type");
}
}
