module PersistentMemoize
Constants
- VERSION
Public Instance Methods
memoize(name, path)
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Memoize the method ‘name’, with results stored in files under ‘path’
Calls superclass method
# File lib/persistent_memoize.rb, line 7 def memoize(name, path) unless File.exists?(path) FileUtils.mkdir_p(path) end (class<<self; self; end).send(:define_method, name) do |*args| key = Digest::MD5.hexdigest(Marshal.dump(args)) cacheFile = File.join(path, key) if File.exists?(cacheFile) results = File.open(cacheFile, 'rb'){ |f| Marshal.load(f) } else results = super(*args) File.open(cacheFile, 'wb'){ |f| Marshal.dump(results, f) } end results end end