Method: Moped::Protocol::Message::ClassMethods#int64

Defined in:
lib/moped/protocol/message.rb

#int64(name, options = {}) ⇒ Object

Declare a 64 bit signed integer field.

Examples:

class Query < Message
  int64 :cursor_id
end

with array type

class KillCursors < Message
  int64 :cursor_ids, type: :array
end

Parameters:

  • name (String) —

    the name of this field

  • options (Hash) (defaults to: {}) —

    the options for this field

Options Hash (options):

  • :type (:array) —

    specify an array of 64 bit ints



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# File 'lib/moped/protocol/message.rb', line 238

def int64(name, options = {})
  attr_writer name

  if options[:type] == :array
    class_eval "      def \#{name}\n        @\#{name} ||= []\n      end\n\n      def serialize_\#{name}(buffer)\n        buffer << \#{name}.pack('q*<')\n      end\n\n      def deserialize_\#{name}(buffer)\n        raise NotImplementedError\n      end\n    RUBY\n  else\n    class_eval <<-RUBY, __FILE__, __LINE__ + 1\n      def \#{name}\n        @\#{name} ||= 0\n      end\n\n      def serialize_\#{name}(buffer)\n        buffer << [\#{name}].pack('q<')\n      end\n\n      def deserialize_\#{name}(buffer)\n        self.\#{name}, = buffer.read(8).unpack('q<')\n      end\n    RUBY\n  end\n\n  fields << name\nend\n", __FILE__, __LINE__ + 1