Dan Kenigsberg has posted comments on this change.
Change subject: cache: Add caching decorator with invalidation
......................................................................
Patch Set 4:
(2 comments)
http://gerrit.ovirt.org/#/c/34709/4/lib/vdsm/cache.py
File lib/vdsm/cache.py:
Line 42: """
Line 43: Return a caching decorator supporting invalidation.
Line 44:
Line 45: The decorator accepts an optional "update" callable, called each
time the
Line 46: memoized function is called. If update() return True, the memoized cache is
update() return True -> update() returns True
Line 47: invalidated. If the update is not set, the cache is never invalidated.
Line 48:
Line 49: The memoized function may accept multiple positional arguments. The
Line 50: cache store the result for each combination of arguments. Functions with
Line 46: memoized function is called. If update() return True, the memoized cache is
Line 47: invalidated. If the update is not set, the cache is never invalidated.
Line 48:
Line 49: The memoized function may accept multiple positional arguments. The
Line 50: cache store the result for each combination of arguments. Functions with
store->stores
Line 51: kwargs are not supported.
Line 52:
Line 53: Memoized functions have an "invalidate" method, used to invalidate
the
Line 54: cache externally. This is required for testing memoized functions.
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Gerrit-Change-Id: I6dd8fb29d94286e3e3a3e29b8218501cbdc5c018
Gerrit-PatchSet: 4
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