architecture
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magento
Asynchronous Import
After digging a little bit into this issue, the following assesment has come out:
It turns out that the class RetrieveSourceData contains the source validator actor that wraps all the possible validator to a specific source data retriever(strategy), this means that each strategy must comply with the validations defined by di.xml:
This forces me to assume a sort of data contract where a new strategy(json's in this case), must fit such a data contract. Not empty: sourceType, sourceDefinition, sourceDataFormat; and also sourceDefinition must come in valid base64 format.
This way, coming down to Json strategy, i understand that sourceDefinition field is a json encoded in base64, if this is ok then i assume that it is actually a csv translated into json, so the data strategy retriever takes this chunk and translate it into array iterator as if a magento standard csv was.
Related to https://github.com/magento/architecture/pull/330#discussion_r344402912
Its a high level diagram, hope will help a bit
