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The fetch method converts the descriptions into Atoti components, adds topics to the source, creates channels, and calls fetch on each channel, as implemented by a Source Handler.

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ISourceFetcher

  • fetch(IDlcScope scope, ISourceDescription sourceDescription, Set<ITopicDescription> topicsToProcess) - converts a Source Description and Topic Descriptions into Atoti components ISource and ITopic respectively. Topics are added to the source and channels are created; then fetch is called for those channels on the source. The Atoti Components (source, topic, channel) are not persisted once the fetch operation is complete.
There is one Source Fetcher per Topic Type.