Class: Dependency

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

Constant Summary collapse

DESCRIPTION_TYPE_WIDTH = 
8

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Dependency

Returns a new instance of Dependency.



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# File 'lib/dependency.rb', line 13

def initialize(name)
	@name = name
end

Instance Attribute Details

#exit_code ⇒ Object (readonly)

Returns the value of attribute exit_code.



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# File 'lib/dependency.rb', line 11

def exit_code
  @exit_code
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dependency.rb', line 11

def name
  @name
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/dependency.rb', line 11

def output
  @output
end

Instance Method Details

#always_act? ⇒ Boolean

if true, this type of resource must always have ‘meet` and `unmeet` called; useful for resources that can’t easily be checked to see if they’re met

Returns:

  • (Boolean) 


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# File 'lib/dependency.rb', line 39

def always_act?
	false
end

#meet ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/dependency.rb', line 21

def meet
	raise NotImplementedError
end

#met? ⇒ Boolean

Returns:

  • (Boolean)

Raises:

  • (NotImplementedError) 


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# File 'lib/dependency.rb', line 17

def met?
	raise NotImplementedError
end

#should_meet? ⇒ Boolean

should_meet? can be used to implement dependencies that should only be met on some platforms, e.g. brew on Macs and apt on Linux it can be used to base a decision on anything else that can be read from the environment at runtime

Returns:

  • (Boolean) 


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# File 'lib/dependency.rb', line 33

def should_meet?
	true
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dependency.rb', line 47

def success?
	@exit_code.nil? ? true : @exit_code.zero?
end

#type ⇒ Object 



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# File 'lib/dependency.rb', line 43

def type
	self.class.name.split('::').last
end

#unmeet ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/dependency.rb', line 25

def unmeet
	raise NotImplementedError
end