Package flumotion :: Package component :: Package misc :: Package httpserver :: Package httpcached :: Module strategy_base :: Class CachingStrategy

Class CachingStrategy

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extern.log.log.Loggable --+
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                         CachingStrategy

Known Subclasses:

strategy_basic.CachingStrategy

Base class for all caching strategies.

Handles the cache lookup, cache expiration checks, statistics gathering and caching sessions managment.

Instance Methods

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__init__(self, cachemgr, reqmgr, ttl)

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setup(self)

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cleanup(self)

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getSourceFor(self, url, stats)

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requestData(self, url, offset=None, size=None, mtime=None)

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getSessions(self)

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keepCacheAlive(self, identifier, ttl=None)

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_onCacheMiss(self, url, stats)

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_onCacheOutdated(self, url, identifier, cachedFile, stats)

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_startCleanupLoop(self)

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_stopCleanupLoop(self)

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_cleanupLoop(self)

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_cleanupExpirationTable(self)

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_onNewSession(self, session)

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_onSessionCanceled(self, session)

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_onResourceCached(self, session)

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_onResourceError(self, session, error)

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_cachedFileError(self, failure, url)

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_gotCachedFile(self, cachedFile, url, identifier, stats)

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Inherited from extern.log.log.Loggable: __providedBy__, debug, doLog, error, info, log, logFunction, logObjectName, warning, warningFailure, writeMarker

Class Variables

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logCategory = 'base-caching'
Implementors can provide a category to log their messages under.

Inherited from extern.log.log.Loggable: __implemented__, __provides__