Gets a file's last modified date from cache.
Gets a file's last modified date from cache. If not in the cache, the file will be read and its last modified date will be cached
File to read last modified date
Seconds before this cache entry expires
the file's last modified time. 0 is returned if file is not found.
Logger name is inferred from the class name.
Logger name is inferred from the class name.
Cache for the last modified date of files. Caching this value means that we wont have to keep reading the file and hence we reduce blocking IO.