Method Detail

• getResultMetadata

  uk.ac.starlink.table.StarTable getResultMetadata​()

  Returns the metadata-only table describing the rows which will be returned by this operation. Used for passing to TableSink.acceptMetadata(uk.ac.starlink.table.StarTable). Its data must not be read.

  Returns:

  data-less table

• calculateRow

  java.lang.Object[] calculateRow​(java.lang.Object[] tuple)
                           throws java.io.IOException

  Calculates the output tuple for a given input tuple.

  Parameters:

  tuple - input tuple

  Returns:

  output tuple, corresponding to this object's declared metadata

  Throws:

  java.io.IOException