Class: Turbine::Queue

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/turbine/queue.rb

Instance Method Summary collapse

Constructor Details

#initialize(dir = Turbine::Application.config_dir) ⇒ Queue

Returns a new instance of Queue.



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# File 'lib/turbine/queue.rb', line 5

def initialize(dir=Turbine::Application.config_dir)
  @file = "#{dir}/queue"
end

Instance Method Details

#<<(duration) ⇒ Object 



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# File 'lib/turbine/queue.rb', line 9

def <<(duration)
  File.open(@file, "a") { |f| f.puts(duration.to_s)}
  self
end

#clear ⇒ Object 



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# File 'lib/turbine/queue.rb', line 36

def clear
  FileUtils.rm_f(@file)
end

#each ⇒ Object 



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# File 'lib/turbine/queue.rb', line 24

def each
  entries.each { |e| yield(e) }
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/turbine/queue.rb', line 14

def empty?
  !File.exist?(@file)
end

#entries ⇒ Object 



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# File 'lib/turbine/queue.rb', line 18

def entries
  return [] if empty?

  File.read(@file).split("\n").map { |e| e.to_f.round(Turbine::PRECISION) }
end

#sum ⇒ Object 



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# File 'lib/turbine/queue.rb', line 28

def sum
  return 0 if empty?

  File.foreach(@file).inject(0) do |sum, line|
    sum + line.to_f
  end.round(Turbine::PRECISION)
end