Kamaelia.Util.UnseenOnly

• component UnseenOnly

• UnseenOnly component
  • Example Usage

UnseenOnly component

This component forwards on any messages it receives that it has not seen before.

Example Usage

Lines entered into this setup will only be duplicated on screen the first time they are entered:

pipeline(
    ConsoleReader(),
    UnseenOnly(),
    ConsoleEchoer()
).run()

---

Kamaelia.Util.UnseenOnly.UnseenOnly

class UnseenOnly(Kamaelia.Util.PureTransformer.PureTransformer)

UnseenOnly() -> new UnseenOnly component.

Send items to the "inbox" inbox. Any items not "seen" already will be forwarded out of the "outbox" outbox. Send the same thing two or more times and it will only be sent on the first time.

Inboxes

Outboxes

Methods defined here

__init__(self)

processMessage(self, msg)

Methods inherited from Kamaelia.Util.PureTransformer.PureTransformer :

• main(self)