rdblue commented on issue #272: Refactor AvroIterable and prevent multiple iterators URL: https://github.com/apache/incubator-iceberg/pull/272#issuecomment-510642230 @vrozov, no. There is no way for Iterable to signal that it only supports a single iteration, and most iterables, like lists, maps, sets, etc. support iteration multiple times. I think that there isn't much point to using Iterable if you only intend to support a single iteration. The goal you want to accomplish should be done by making sure that resources are closed. I think a better approach would be for an iterator to close underlying resources automatically when it is exhausted.
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