Class: AppleData::DSL::CollectionDefinition

Inherits:
Object
  • Object
show all
Defined in:
lib/apple_data/dsl/collection_definition.rb

Overview

A definition of a collection of objects, with a particular schema

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, mapper) ⇒ CollectionDefinition

Returns a new instance of CollectionDefinition.



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# File 'lib/apple_data/dsl/collection_definition.rb', line 10

def initialize(name, mapper)
  @name = name
  @mapper = mapper
end

Instance Attribute Details

#mapper ⇒ Object

Returns the value of attribute mapper.



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# File 'lib/apple_data/dsl/collection_definition.rb', line 8

def mapper
  @mapper
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/apple_data/dsl/collection_definition.rb', line 7

def name
  @name
end

Instance Method Details

#build!(klass) ⇒ Object

Builds the collection into the given data file class



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# File 'lib/apple_data/dsl/collection_definition.rb', line 16

def build!(klass)
  name = @name
  klass.instance_eval do
    define_method(name) do
      @mapped_collections ||= {}
      if @mapped_collections[name].nil?
        collection_definition = self.class.const_get(:COLLECTIONS)[name]

        value = collection(name.to_s)
        result = case value.data
                 when Hash
                   construct_hash(collection_definition, value)
                 when Array
                   construct_array(collection_definition, value)
                 else
                   value.data
                 end

        @mapped_collections[name] = result
      end

      @mapped_collections[name]
    end
  end
end