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Rename to on_invalidate

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This commit is contained in:
Erik Johnston 2016-08-19 15:13:58 +01:00
parent dc76a3e909
commit c0d7d9d642
3 changed files with 15 additions and 21 deletions
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26
synapse/util/caches/descriptors.py
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@ -148,8 +148,8 @@ class CacheDescriptor(object):
@cachedInlineCallbacks(cache_context=True)
def foo(self, key, cache_context):
r1 = yield self.bar1(key, cache_context=cache_context)
r2 = yield self.bar2(key, cache_context=cache_context)
r1 = yield self.bar1(key, on_invalidate=cache_context.invalidate)
r2 = yield self.bar2(key, on_invalidate=cache_context.invalidate)
defer.returnValue(r1 + r2)
"""
@ -208,11 +208,7 @@ class CacheDescriptor(object):
def wrapped(*args, **kwargs):
# If we're passed a cache_context then we'll want to call its invalidate()
# whenever we are invalidated
cache_context = kwargs.pop("cache_context", None)
if cache_context:
context_callback = cache_context.invalidate
else:
context_callback = None
invalidate_callback = kwargs.pop("on_invalidate", None)
# Add our own `cache_context` to argument list if the wrapped function
# has asked for one
@ -226,7 +222,7 @@ class CacheDescriptor(object):
self_context.key = cache_key
try:
cached_result_d = cache.get(cache_key, callback=context_callback)
cached_result_d = cache.get(cache_key, callback=invalidate_callback)
observer = cached_result_d.observe()
if DEBUG_CACHES:
@ -263,7 +259,7 @@ class CacheDescriptor(object):
ret.addErrback(onErr)
ret = ObservableDeferred(ret, consumeErrors=True)
cache.update(sequence, cache_key, ret, callback=context_callback)
cache.update(sequence, cache_key, ret, callback=invalidate_callback)
return preserve_context_over_deferred(ret.observe())
@ -332,11 +328,9 @@ class CacheListDescriptor(object):
@functools.wraps(self.orig)
def wrapped(*args, **kwargs):
cache_context = kwargs.pop("cache_context", None)
if cache_context:
context_callback = cache_context.invalidate
else:
context_callback = None
# If we're passed a cache_context then we'll want to call its invalidate()
# whenever we are invalidated
invalidate_callback = kwargs.pop("on_invalidate", None)
arg_dict = inspect.getcallargs(self.orig, obj, *args, **kwargs)
keyargs = [arg_dict[arg_nm] for arg_nm in self.arg_names]
@ -352,7 +346,7 @@ class CacheListDescriptor(object):
key[self.list_pos] = arg
try:
res = cache.get(tuple(key), callback=context_callback)
res = cache.get(tuple(key), callback=invalidate_callback)
if not res.has_succeeded():
res = res.observe()
res.addCallback(lambda r, arg: (arg, r), arg)
@ -388,7 +382,7 @@ class CacheListDescriptor(object):
key[self.list_pos] = arg
cache.update(
sequence, tuple(key), observer,
callback=context_callback
callback=invalidate_callback
)
def invalidate(f, key):