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Versions: 24
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Stored size: 1.38 KB
Contents
class Module
#
# Dynamically enables cache in :production and disables in another environments.
# If no environment given uses non-cached version.
#
def cache_method_with_params_in_production method
escaped_method = escape_method(method)
method_with_cache, method_without_cache = "#{escaped_method}_with_cache", "#{escaped_method}_without_cache"
iv = "@#{escaped_method}_cache"
# raise "Method '#{method}' already defined!" if instance_methods.include?(method)
if instance_methods.include?(method_with_cache) or instance_methods.include?(method_without_cache)
warn "can't cache the :#{method} twice!"
else
alias_method method_without_cache, method
# create cached method
define_method method_with_cache do |*args|
unless results = instance_variable_get(iv)
results = Hash.new(NotDefined)
instance_variable_set iv, results
end
result = results[args]
if result.equal? NotDefined
result = send method_without_cache, *args
results[args] = result
end
result
end
if rad.mode == :production
alias_method method, method_with_cache
else
alias_method method, method_without_cache
end
# by default uses non-cached version
# alias_method method, method_without_cache
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems