Class: Hashme::Property

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, type, opts = {}) ⇒ Property

Returns a new instance of Property.



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# File 'lib/hashme/property.rb', line 6

def initialize(name, type, opts = {})
  self.name = name.to_sym

  # Always set type to base type
  if type.is_a?(Array) && !type.first.nil?
    @_use_casted_array = true
    klass = type.first
  else
    @_use_casted_array = false
    klass = type
  end

  self.type = klass

  # Handle options
  self.default = opts[:default]
end

Instance Attribute Details

#default ⇒ Object

Returns the value of attribute default.



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# File 'lib/hashme/property.rb', line 4

def default
  @default
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/hashme/property.rb', line 4

def name
  @name
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/hashme/property.rb', line 4

def type
  @type
end

Instance Method Details

#build(owner, value) ⇒ Object

Build a new object of the type defined by the property. Will not deal create CastedArrays!



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# File 'lib/hashme/property.rb', line 44

def build(owner, value)
  obj   = nil
  if value.is_a?(type)
    obj = value
  elsif type == Date
    obj = type.parse(value)
  else
    obj = type.new(value)
  end
  obj.casted_by = owner if obj.respond_to?(:casted_by=)
  obj.casted_by_property = self if obj.respond_to?(:casted_by_property=)
  obj
end

#cast(owner, value) ⇒ Object

Use cast method when we do not know if we may need to handle a casted array of objects.



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# File 'lib/hashme/property.rb', line 34

def cast(owner, value)
  if use_casted_array?
    CastedArray.new(owner, self, value)
  else
    build(owner, value)
  end
end

#to_s ⇒ Object 



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# File 'lib/hashme/property.rb', line 24

def to_s
  name.to_s
end

#to_sym ⇒ Object 



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# File 'lib/hashme/property.rb', line 28

def to_sym
  name
end

#use_casted_array? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hashme/property.rb', line 58

def use_casted_array?
  @_use_casted_array
end