Class: Arrest::Attribute

Inherits:
Object
  • Object
show all
Defined in:
lib/arrest/attributes/attribute.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, class_name, actions = nil) ⇒ Attribute

Returns a new instance of Attribute.



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# File 'lib/arrest/attributes/attribute.rb', line 14

def initialize(name, class_name, actions = nil)
  @name = name.to_sym
  @actions = actions || [:create, :retrieve, :update, :delete]
  @class_name = class_name.to_sym
  @dirty = false
  @json_name = Source.json_key_converter.key_to_json(name).to_sym
end

Instance Attribute Details

#actions ⇒ Object

Returns the value of attribute actions.



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# File 'lib/arrest/attributes/attribute.rb', line 12

def actions
  @actions
end

#dirty ⇒ Object

Returns the value of attribute dirty.



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# File 'lib/arrest/attributes/attribute.rb', line 12

def dirty
  @dirty
end

#json_name ⇒ Object

Returns the value of attribute json_name.



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# File 'lib/arrest/attributes/attribute.rb', line 12

def json_name
  @json_name
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/arrest/attributes/attribute.rb', line 12

def name
  @name
end

Instance Method Details

#clazz ⇒ Object 



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# File 'lib/arrest/attributes/attribute.rb', line 22

def clazz
  @clazz ||= Arrest::Source.class_loader.load(@class_name)
end

#clazz=(c) ⇒ Object 



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# File 'lib/arrest/attributes/attribute.rb', line 26

def clazz=(c)
  @clazz = c
end

#dirty? ⇒ Boolean

Returns:



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# File 'lib/arrest/attributes/attribute.rb', line 42

def dirty?
  if dirty_sensitive?
    @dirty
  else
    true # treat as 'always' dirty
  end
end

#dirty_sensitive? ⇒ Boolean

Returns:



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# File 'lib/arrest/attributes/attribute.rb', line 30

def dirty_sensitive?
  @dirty_sensitive ||= clazz.ancestors.include?(Dirty)
end

#from_hash(parent, value) ⇒ Object 



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# File 'lib/arrest/attributes/attribute.rb', line 50

def from_hash(parent, value)
  return if value == nil

  if self.clazz.respond_to?(:convert)
    return self.clazz.convert(value)
  end

  converter = CONVERTER[self.clazz]
  if converter == nil
    puts "No converter for: #{self.clazz.name}"
    converter = IdentConv
  end
  converter.convert value
end

#mutable? ⇒ Boolean

Returns:



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# File 'lib/arrest/attributes/attribute.rb', line 38

def mutable?
  @actions.include?(:create) || @actions.include?(:update)
end

#read_only? ⇒ Boolean

Returns:



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# File 'lib/arrest/attributes/attribute.rb', line 34

def read_only?
  @actions == [:retrieve]
end

#to_hash(value) ⇒ Object 



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# File 'lib/arrest/attributes/attribute.rb', line 66

def to_hash value
  return nil unless value != nil

  if self.clazz.respond_to?(:mk_json)
    return self.clazz.mk_json(value)
  end

  converter = CONVERTER[self.clazz]
  if converter == nil
    puts "No converter for: #{@self.clazz.name}"
    converter = IdentConv
  end
  converter.mk_json value
end