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module AbstractController
module Benchmarker
extend ActiveSupport::Concern
include Logger
module ClassMethods
# Execute the passed in block, timing the duration of the block in ms.
#
# ==== Parameters
# title<#to_s>:: The title of block to benchmark
# log_level<Integer>:: A valid log level. Defaults to Logger::DEBUG
# use_silence<TrueClass, FalseClass>:: Whether or not to silence the
# logger for the duration of the block.
#
# ==== Returns
# Object:: The result of the block
def benchmark(title, log_level = ::Logger::DEBUG, use_silence = true)
if logger && logger.level >= log_level
result = nil
ms = Benchmark.ms { result = use_silence ? silence { yield } : yield }
logger.add(log_level, "#{title} (#{('%.1f' % ms)}ms)")
result
else
yield
end
end
# Silences the logger for the duration of the block.
def silence
old_logger_level, logger.level = logger.level, ::Logger::ERROR if logger
yield
ensure
logger.level = old_logger_level if logger
end
end
end
end
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