| Constant | Description |
|---|---|
Enums. | (0) Always load from network and do not check if the cache has a valid entry (similar to the " |
Enums. | (1) Load from the network if the cached entry is older than the network entry. This will never return stale data from the cache, but revalidate resources that have become stale. |
Enums. | (2) Load from cache if available, otherwise load from network. Note that this can return possibly stale (but not expired) items from cache. |
Enums. | (3) Only load from cache, indicating error if the item was not cached (i.e., off-line mode). |