class Holidays::Definition::Repository::ProcResultCache

5000 6.094000 0.031000 6.125000 ( 6.141000)
1000 1.234000 0.000000 1.234000 ( 1.234000)
0100 0.125000 0.000000 0.125000 ( 0.125000)
0010 0.016000 0.000000 0.016000 ( 0.016000)
0001 0.000000 0.000000 0.000000 ( 0.000000)
user system total real
Lookup Easter Sunday, without caching, by number of iterations:
5000 3.172000 0.015000 3.187000 ( 3.219000)
1000 0.641000 0.000000 0.641000 ( 0.641000)
0100 0.078000 0.000000 0.078000 ( 0.078000)
0010 0.000000 0.000000 0.000000 ( 0.000000)
0001 0.000000 0.000000 0.000000 ( 0.000000)
user system total real
Lookup Easter Sunday, with caching, by number of iterations:
==== Benchmarks

def build_proc_key(function, function_arguments) 

def build_proc_key(function, function_arguments)
  Digest::MD5.hexdigest("#{function.to_s}_#{function_arguments.join('_')}")
end

def initialize 

def initialize
  @proc_cache = {}
end

def lookup(function, *function_arguments) 

def lookup(function, *function_arguments)
  validate!(function, function_arguments)
  proc_key = build_proc_key(function, function_arguments)
  @proc_cache[proc_key] = function.call(*function_arguments) unless @proc_cache[proc_key]
  @proc_cache[proc_key]
end

def validate!(function, function_arguments) 

def validate!(function, function_arguments)
  raise ArgumentError.new("function must be a proc") unless function.is_a?(Proc)
  function_arguments.each do |arg|
    raise ArgumentError.new("function arguments '#{function_arguments}' must contain either integers or dates") unless arg.is_a?(Integer) || arg.is_a?(Date) || arg.is_a?(Symbol)
  end
end