ud-filter-java.md

The UDFilter API provides the following methods for extension by subclasses:

public void setup(ServerInterface srvInterface) throws UdfException;

public abstract StreamState process(ServerInterface srvInterface, DataBuffer input,
                InputState input_state, DataBuffer output)
    throws UdfException;

protected void cancel(ServerInterface srvInterface);

public void destroy(ServerInterface srvInterface) throws UdfException;