Class: Puppet::Settings::Values

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/puppet/settings.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, defaults) ⇒ Values

Returns a new instance of Values.



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# File 'lib/puppet/settings.rb', line 1348

def initialize(name, defaults)
  @name = name
  @values = {}
  @defaults = defaults
end

Instance Attribute Details

#name ⇒ Object (readonly) 



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# File 'lib/puppet/settings.rb', line 1346

def name
  @name
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/puppet/settings.rb', line 1381

def inspect
  %Q{<#{self.class}:#{self.object_id} @name="#{@name}" @values="#{@values}">}
end

#set(name, value) ⇒ Object 



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# File 'lib/puppet/settings.rb', line 1357

def set(name, value)
 default = @defaults[name]

 if !default
   raise ArgumentError,
     "Attempt to assign a value to unknown setting #{name.inspect}"
 end

 # This little exception-handling dance ensures that a hook is
 # able to check whether a value for itself has been explicitly
 # set, while still preserving the existing value if the hook
 # throws (as was existing behavior)
 old_value = @values[name]
 @values[name] = value
 begin
   if default.has_hook?
     default.handle(value)
   end
 rescue Exception => e
   @values[name] = old_value
   raise e
 end
end