A transformer can be used without input, just to produce an output
artifact from nothing.
Le 08-11-14 14:44, Tim Hutt a écrit :
As far as I can see, a Transformer isn't aware of file tags - they act
on specific file names rather than file types, but yeah they seem to
overlap a lot and the use case for Transformers isn't totally clear
from the documentation.
On 8 Nov 2014 13:39, "Smirnov Vladimir" <map...@yandex.ru
<mailto:map...@yandex.ru>> wrote:
From docs:
-A /multiplex rule/ creates one /transformer/ that takes all input
artifacts with the matching input file tag and creates one or more
artifacts.
-A /simplex rule/ creates one transformer per matching input file.
-A /transformer/ takes zero or more inputs and produces one or
more output artifacts from them.
So I can imagine that Rule wraps some Transformer's functionality.
But why don't just use only Rules? What can i do with Transformer
that Rule couldn't cover?
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