Enumeration Case

NSURLRequest.CachePolicy.reloadRevalidatingCacheData

Use cache data if the origin source can validate it; otherwise, load from the origin.

Declaration

case reloadRevalidatingCacheData = 5

Discussion

See Also

Policies

case useProtocolCachePolicy

Use the caching logic defined in the protocol implementation, if any, for a particular URL load request.

case reloadIgnoringLocalCacheData

The URL load should be loaded only from the originating source.

case reloadIgnoringLocalAndRemoteCacheData

Ignore local cache data, and instruct proxies and other intermediates to disregard their caches so far as the protocol allows.

case returnCacheDataElseLoad

Use existing cache data, regardless or age or expiration date, loading from originating source only if there is no cached data.

case returnCacheDataDontLoad

Use existing cache data, regardless or age or expiration date, and fail if no cached data is available.