Class: Inject::Target

Inherits:
Object show all
Defined in:
lib/attr_inject/target.rb

Instance Method Summary collapse

Constructor Details

#initialize(klass, attribute, opts = {}) ⇒ Target

Returns a new instance of Target.



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# File 'lib/attr_inject/target.rb', line 4

def initialize(klass, attribute, opts={})
  @klass = klass
  @attribute = attribute

  apply_options opts
  add_accessor(attribute, klass)
end

Instance Method Details

#apply(params, target) ⇒ Object 



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# File 'lib/attr_inject/target.rb', line 12

def apply(params, target)
  validate! params

  set_value(target, default) if !default.nil?
  set_value(target, attribute_value(params)) if params.include?(attribute)
end

#attribute ⇒ Object 



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# File 'lib/attr_inject/target.rb', line 27

def attribute
  @attribute
end

#default ⇒ Object 



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# File 'lib/attr_inject/target.rb', line 23

def default
  options[:default]
end

#klass ⇒ Object 



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# File 'lib/attr_inject/target.rb', line 31

def klass
  @klass
end

#options ⇒ Object 



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# File 'lib/attr_inject/target.rb', line 35

def options
  @options
end

#required? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/attr_inject/target.rb', line 19

def required?
  options[:required] && default.nil?
end