Class: Environment::Pipeline

Inherits:
Object
  • Object
show all
Defined in:
lib/rash/pipeline.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Pipeline

Returns a new instance of Pipeline.



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# File 'lib/rash/pipeline.rb', line 79

def initialize
  @reader, @writer = IO.pipe
end

Instance Attribute Details

#pid ⇒ Object (readonly)

Returns the value of attribute pid.



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# File 'lib/rash/pipeline.rb', line 77

def pid
  @pid
end

#reader ⇒ Object (readonly)

Returns the value of attribute reader.



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# File 'lib/rash/pipeline.rb', line 77

def reader
  @reader
end

#writer ⇒ Object (readonly)

Returns the value of attribute writer.



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# File 'lib/rash/pipeline.rb', line 77

def writer
  @writer
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/rash/pipeline.rb', line 88

def close
  @writer.close
  @reader.close
end

#link_process(pid) ⇒ Object 



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# File 'lib/rash/pipeline.rb', line 83

def link_process(pid)
  @pid ||= pid
  self
end

#terminate ⇒ Object 



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# File 'lib/rash/pipeline.rb', line 93

def terminate
  self.close
  Process.kill(:PIPE, @pid)
  Process.wait(@pid)
end

#to_s ⇒ Object 



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# File 'lib/rash/pipeline.rb', line 99

def to_s
  @pid
end