[9.0.0] Improve the FileSystem inheritance hierarchy. #27814
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@tjgq Could you please take a look at the presubmit errors? Thanks |
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By repurposing AbstractFileSystem as DiskBackedFileSystem, to be extended only by disk-backed subclasses. This encourages other subclasses to make an explicit decision on how to open files instead of inheriting a potentially incorrect implementation. As a bonus, we can also dispense with the duplicate profiling logic in UnixFileSystem. PiperOrigin-RevId: 837473162 Change-Id: I970d0a9711ecc583b1ecae650703d14d4a5db2a4
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By repurposing AbstractFileSystem as DiskBackedFileSystem, to be extended only by disk-backed subclasses. This encourages other subclasses to make an explicit decision on how to open files instead of inheriting a potentially incorrect implementation.
As a bonus, we can also dispense with the duplicate profiling logic in UnixFileSystem.
PiperOrigin-RevId: 837473162
Change-Id: I970d0a9711ecc583b1ecae650703d14d4a5db2a4
Commit 3673564