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Contents
module Vedeu
module Logging
# Measure the duration. Used for debugging.
#
class Timer
class << self
# @example
# Vedeu.timer 'message' do
# # ... code to be measured
# end
#
# @param message [String]
# @param block [Proc]
# @return [void] The return value of the executed block.
def timer(message = '', &block)
new(message).measure(&block)
end
end # Eigenclass
# Returns a new instance of Vedeu::Logging::Timer.
#
# @param message [String]
# @return [Vedeu::Logging::Timer]
def initialize(message = '')
@message = message
@started = Time.now.to_f
end
# Write an entry to the log file stating how long a section of
# code took in milliseconds. Useful for debugging performance.
#
# @return [void] The return value of the executed block.
def measure
work = yield
Vedeu.log(type: :timer, message: "#{message} took #{elapsed}ms.")
work
end
protected
# @!attribute [r] started
# @return [Time]
attr_reader :started
# @!attribute [r] message
# @return [String]
attr_reader :message
# Returns the elapsed time in milliseconds with 3 decimal
# places.
#
# @return [Float]
def elapsed
((Time.now.to_f - started) * 1000).round(3)
end
end # Timer
end # Logging
end # Vedeu
Version data entries
13 entries across 13 versions & 1 rubygems