Class: ActiveRecord::Aggregations::AggregationReflection

Inherits:
Object
  • Object
show all
Defined in:
lib/reactive_record/active_record/aggregations.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(owner_class, macro, name, options = {}) ⇒ AggregationReflection

Returns a new instance of AggregationReflection.



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# File 'lib/reactive_record/active_record/aggregations.rb', line 28

def initialize(owner_class, macro, name, options = {})
  owner_class.reflect_on_all_aggregations << self
  @owner_class = owner_class
  @constructor = options[:constructor] || :new
  @klass_name =  options[:class_name] || name.camelize
  @attribute =   name
  if options[:mapping].respond_to? :collect
    @mapped_attributes = options[:mapping].collect &:last
  else
    ReactiveRecord::Base.log("improper aggregate definition #{@owner_class}, :#{name}, class_name: #{@klass_name} - missing mapping", :error)
    @mapped_attributes = []
  end
end

Instance Attribute Details

#attribute ⇒ Object (readonly)

Returns the value of attribute attribute.



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# File 'lib/reactive_record/active_record/aggregations.rb', line 20

def attribute
  @attribute
end

#constructor ⇒ Object (readonly)

Returns the value of attribute constructor.



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# File 'lib/reactive_record/active_record/aggregations.rb', line 22

def constructor
  @constructor
end

#klass_name ⇒ Object (readonly)

Returns the value of attribute klass_name.



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# File 'lib/reactive_record/active_record/aggregations.rb', line 19

def klass_name
  @klass_name
end

#mapped_attributes ⇒ Object (readonly)

Returns the value of attribute mapped_attributes.



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# File 'lib/reactive_record/active_record/aggregations.rb', line 21

def mapped_attributes
  @mapped_attributes
end

Instance Method Details

#construct(args) ⇒ Object 



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# File 'lib/reactive_record/active_record/aggregations.rb', line 24

def construct(args)

end

#deserialize(array) ⇒ Object 



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# File 'lib/reactive_record/active_record/aggregations.rb', line 54

def deserialize(array)
  if array.nil?
    array # return dummy value if that is what we got
  elsif @constructor.respond_to?(:call)
    @constructor.call(*array)
  else
    klass.send(@constructor, *array)
  end
end

#klass ⇒ Object 



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# File 'lib/reactive_record/active_record/aggregations.rb', line 42

def klass
  @klass ||= Object.const_get(@klass_name)
end

#serialize(object) ⇒ Object 



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# File 'lib/reactive_record/active_record/aggregations.rb', line 46

def serialize(object)
  if object.nil?
    object # return dummy value if that is what we got
  else
    @mapped_attributes.collect { |attr| object.send(attr) }
  end
end