May 26, 2018

Easy application-level caching

The AppCache module lets an application cache data locally. There are a few times an application would need to cache data when it is retrieving information from the network or when it has to complete a large calculation.

For example, the ParseBACKPANPackages module downloads a file off the net and parses it, creating a data structure. Only then can it actually provide any useful information for the programmer. ParseBACKPANPackages uses AppCache to cache both the file download and data structures, providing much faster use when the data is cached.

This module stores data in the home directory of the user, in a dot directory. For example, the ParseBACKPANPackages cache is actually stored underneath “~/.parse_backpan_packages/cache/”. This is so that permissions are not a problem - it is a per-user, per-application cache.

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