Class: Unifig::Var

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

Overview

A variable created after loading a configuration.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, config, env) ⇒ Var

Returns a new instance of Var.



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# File 'lib/unifig/var.rb', line 7

def initialize(name, config, env)
  @name = name
  @config = config
  @env = env
  @value = nil
  @provider = nil
end

Instance Attribute Details

#name ⇒ Symbol (readonly)

The variable name.

Returns:

  • (Symbol) 


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# File 'lib/unifig/var.rb', line 18

def name
  @name
end

#provider ⇒ Symbol

The provider that supplied the value.

Returns:

  • (Symbol) 


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# File 'lib/unifig/var.rb', line 23

def provider
  @provider
end

#value ⇒ Object

The value of the variable.

Returns:

  • (Object) 


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# File 'lib/unifig/var.rb', line 31

def value
  @value
end

Instance Method Details

#local_value ⇒ Object 



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# File 'lib/unifig/var.rb', line 48

def local_value
  @local_value ||= env_config(:value) || @config[:value]
end

#method ⇒ Symbol

The name of the method this variable can be found using.

Returns:

  • (Symbol) 


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# File 'lib/unifig/var.rb', line 43

def method
  @method ||= name.to_s.downcase.tr('-', '_').to_sym
end

#required? ⇒ Boolean

Returns whether or not this is a required variable.

Returns:

  • (Boolean) 


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# File 'lib/unifig/var.rb', line 55

def required?
  return @required if defined?(@required)

  optional = env_config(:optional)
  optional = @config[:optional] if optional.nil?
  optional = false if optional.nil?
  @required = !optional
end