When submitting a delete transaction on a node that doesn't exist, MD-SAL's behavior is to throw ModifiedNodeNotExists Exception. There are many usecases where there is a "cleanup" code that tries to delete some state even though it is not 100% there, just for the sake of cleanup. I saw it in netvirt where delete flow operations get exceptions because the flow is not there. My question is more of a design issue, isn't an exception in this case is "too brutal"? The API could succeed with some kind of a different result code? Alternatively, the API could let me pass an argument to the delete operation, if I want an exception in case Node doesn't exist or not.
Thanks, Guy Sela
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