Kamaelia docs : Kamaelia.Util.UnseenOnly

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.

Methods defined here

Warning!

You should be using the inbox/outbox interface, not these methods (except construction). This documentation is designed as a roadmap as to their functionalilty for maintainers and new component developers.

Methods inherited from Kamaelia.Util.PureTransformer.PureTransformer :

Feedback

Got a problem with the documentation? Something unclear that could be clearer? Want to help improve it? Constructive criticism is very welcome - especially if you can suggest a better rewording!

Please leave you feedback here in reply to the documentation thread in the Kamaelia blog.

-- Automatic documentation generator, 05 Jun 2009 at 03:01:38 UTC/GMT


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