com.twitter.summingbird.batch.store
Refer to a specific version, even if it does not exist on disk
Find the newest version that satisfies a predicate
Get a version's metadata IF it exists on disk
The greatest version number that has been completed on disk
Create a new version number that is greater than all previous
select all versions that satisfy a predicate
This touches the filesystem once on each call, newest (largest) to oldest (smallest) This relies on dfs-datastore doing the sorting, which it does last we checked
Class to access metadata for a single versioned output directory