sjwiesman commented on issue #27: [FLINK-16149][core] Set configurations using StreamExecutionEnvironment#getConfiguration URL: https://github.com/apache/flink-statefun/pull/27#issuecomment-589215387 @igalshilman and I discussed this offline. Instead of discovering the flink-conf via `GlobalConfigurations` we are accessing it from `StreamExecutionEnvironment#getConfiguration`. This does require reflection as the method is private, but we are guaranteed to successfully access the config regardless of deployment method (image, standalone, session cluster, etc). Because we only use the config object returned in a read-only manner, we deem this safe. The call to `StreamExecutionEnvironment#configure` allows us to modify the configuration values at runtime. In doing so we can expose all configurations to Harness users via `Harness#withConfiguration`. This is the same pattern used by the TableConfig in the table api to expose configurations without exposing the underlying stream execution environment. Only keys that are set get overridden. If a key is not set then its existing values remain. This method is public. I've updated the PR based on this discussion and the other misc comment on this thread.
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