Class: Flatpack::Core::Unpacker

Inherits:
Object
  • Object
show all
Includes:
MapInitialize
Defined in:
lib/flatpack/core/unpacker.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from MapInitialize

#initialize, #set_properties

Instance Attribute Details

#entity_module ⇒ Object

Returns the value of attribute entity_module.



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# File 'lib/flatpack/core/unpacker.rb', line 9

def entity_module
  @entity_module
end

#verbose ⇒ Object

Returns the value of attribute verbose.



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# File 'lib/flatpack/core/unpacker.rb', line 9

def verbose
  @verbose
end

Instance Method Details

#unpack(json_map) ⇒ Object

Returns a Reified FlatPack entity from the given JSON data



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# File 'lib/flatpack/core/unpacker.rb', line 12

def unpack(json_map)
  @all_entities = {}

  if(@verbose)
    puts "** Deserializing entity from FlatPack **"
    puts JSON.pretty_generate(json_map)
  end

  # Make a first pass through the data to ensure stub entities exist
  uuid_to_data = {}
  (json_map['data'] || []).each do |entity_name, entities|
    if(entities.is_a?(Array))
      entities.each do |entity_data|
        uuid = entity_data['uuid']
        if(allocate_or_get_entity(entity_name, uuid))
          uuid_to_data[uuid] = entity_data
        end
      end
    end
  end

  # Then ingest
  uuid_to_data.each { |uuid, data| ingest_item(uuid, data) }

  # Return the unpacked entities corresponding to those in the value section
  value = json_map['value']
  value.is_a?(Array) ? value.map{|v| @all_entities[v]} : @all_entities[value]
end