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Class: ActiveRecord::MessagePack::Encoder

Relationships & Source Files
Inherits: Object
Defined in: activerecord/lib/active_record/message_pack.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new ⇒ Encoder

[ GitHub ] 

  


# File 'activerecord/lib/active_record/message_pack.rb', line 48



def initialize
  @entries = []
  @refs = {}.compare_by_identity
end


  







Instance Attribute Details



  

    #entries   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/message_pack.rb', line 46



attr_reader :entries


  







Instance Method Details



  

    #add_cached_associations(record, entry)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/message_pack.rb', line 81



def add_cached_associations(record, entry)
  record.class.reflections.each_value do |reflection|
    if record.association_cached?(reflection.name)
      entry << reflection.name << encode(record.association(reflection.name).target)
    end
  end
end


  








  

    #build_entry(record)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/message_pack.rb', line 73



def build_entry(record)
  [
    ActiveSupport::MessagePack::Extensions.dump_class(record.class),
    record.attributes_for_database,
    record.new_record?
  ]
end


  








  

    #encode(input)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/message_pack.rb', line 53



def encode(input)
  if input.is_a?(Array)
    input.map { |record| encode_record(record) }
  elsif input
    encode_record(input)
  end
end


  








  

    #encode_record(record)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/message_pack.rb', line 61



def encode_record(record)
  ref = @refs[record]

  if !ref
    ref = @refs[record] = @entries.size
    @entries << build_entry(record)
    add_cached_associations(record, @entries.last)
  end

  ref
end