public void openReadWrite(ReadStreamOld is, WriteStreamOld os) throws IOException
  {
    clearStatusCache();

    StreamImpl impl = openReadWriteImpl();
    //impl.setPath(this);

    os.init(impl);
    is.init(impl);
  }
public void openReadWrite ( ReadStreamOld is , WriteStreamOld os ) throws IOException { clearStatusCache ( ) ; StreamImpl impl = openReadWriteImpl ( ) ; os . init ( impl ) ; is . init ( impl ) ; }
Opens a ReadWritePair for reading and writing.

<p>A chat channel, for example, would open its socket using this
interface.

@param is pre-allocated ReadStream to be initialized
@param os pre-allocated WriteStream to be initialized