Toolkits > com.ibm.streamsx.topology.pysamples 1.1.0 > com.ibm.streamsx.topology.pysamples.positional > AddSeq
Add a sequence number as the last attribute.
@spl.map() class AddSeq(object): """Add a sequence number as the last attribute.""" def __init__(self): self.seq = 0 def __call__(self, *tuple_): id = self.seq self.seq += 1 return tuple_ + (id,)
Tuple attribute values are passed by position to the Python callable.