ud-chunker-c-.md
The UDChunker API provides the following methods for extension by subclasses:
virtual void setup(ServerInterface &srvInterface,
SizedColumnTypes &returnType);
virtual StreamState alignPortion(ServerInterface &srvInterface,
DataBuffer &input, InputState state);
virtual StreamState process(ServerInterface &srvInterface,
DataBuffer &input, InputState input_state)=0;
virtual void cancel(ServerInterface &srvInterface);
virtual void destroy(ServerInterface &srvInterface,
SizedColumnTypes &returnType);