Class: MongoMapper::Key

Inherits:
Object show all
Defined in:
lib/mongomapper/key.rb

Constant Summary collapse

NativeTypes =

DateTime and Date are currently not supported by mongo’s bson so just use Time

[String, Float, Time, Integer, Boolean, Array, Hash]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Key

Returns a new instance of Key.



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# File 'lib/mongomapper/key.rb', line 8

def initialize(*args)
  options = args.extract_options!
  @name, @type = args.shift.to_s, args.shift
  self.options = (options || {}).symbolize_keys
  self.default_value = self.options.delete(:default)
end

Instance Attribute Details

#default_value ⇒ Object

Returns the value of attribute default_value.



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# File 'lib/mongomapper/key.rb', line 6

def default_value
  @default_value
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/mongomapper/key.rb', line 6

def name
  @name
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/mongomapper/key.rb', line 6

def options
  @options
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/mongomapper/key.rb', line 6

def type
  @type
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/mongomapper/key.rb', line 15

def ==(other)
  @name == other.name && @type == other.type
end

#embedded_document? ⇒ Boolean

Returns:



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# File 'lib/mongomapper/key.rb', line 27

def embedded_document?
  type.respond_to?(:embeddable?) && type.embeddable?
end

#get(value) ⇒ Object 



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# File 'lib/mongomapper/key.rb', line 31

def get(value)
  return default_value if value.nil? && !default_value.nil?
  if type == Array
    value || []
  elsif type == Hash
    HashWithIndifferentAccess.new(value || {})
  else
    value
  end
end

#native? ⇒ Boolean

Returns:



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# File 'lib/mongomapper/key.rb', line 23

def native?
  @native ||= NativeTypes.include?(type) || type.nil?
end

#set(value) ⇒ Object 



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# File 'lib/mongomapper/key.rb', line 19

def set(value)
  typecast(value)
end