Class: Cri::CommandRunner

Inherits:
Object
  • Object
show all
Defined in:
lib/cri/command_runner.rb

Overview

A command runner is responsible for the execution of a command. Using it is optional, but it is useful for commands whose execution block is large.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options, arguments, command) ⇒ CommandRunner

Creates a command runner from the given options, arguments and command.



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# File 'lib/cri/command_runner.rb', line 23

def initialize(options, arguments, command)
  @options   = options
  @arguments = arguments
  @command   = command
end

Instance Attribute Details

#arguments ⇒ Array (readonly) 



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# File 'lib/cri/command_runner.rb', line 11

def arguments
  @arguments
end

#command ⇒ Command (readonly) 



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# File 'lib/cri/command_runner.rb', line 14

def command
  @command
end

#options ⇒ Hash (readonly) 



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# File 'lib/cri/command_runner.rb', line 8

def options
  @options
end

Instance Method Details

#call ⇒ void

This method returns an undefined value.

Runs the command. By default, this simply does the actual execution, but subclasses may choose to add error handling around the actual execution.



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# File 'lib/cri/command_runner.rb', line 33

def call
  run
end

#run ⇒ void

This method is abstract.

This method returns an undefined value.

Performs the actual execution of the command.

Raises:



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# File 'lib/cri/command_runner.rb', line 42

def run
  raise NotImplementedError, 'Cri::CommandRunner subclasses must implement #run'
end