class EvilEvents::Core::Events::Serializers::MessagePack::Engines::Mpacker

@api private @since 0.5.0

Attributes

factory[R]

@return [::MessagePack::Factory]

@api private @since 0.5.0

Public Class Methods

new(config) click to toggle source

@param config [EvilEvents::Core::Events::Serializers::MessagePack::Config] @raise [EvilEvents::SerializationEngineError]

@api private @since 0.5.0

# File lib/evil_events/plugins/mpacker_engine/mpacker.rb, line 12
def initialize(config)
  configurator = config.settings.options[:mpacker][:configurator]
  raise EvilEvents::SerializationEngineError unless configurator.is_a?(Proc)
  @factory = ::MessagePack::Factory.new.tap { |factory| configurator.call(factory) }
end

Public Instance Methods

dump(serialization_state) click to toggle source

@param serialization_state [Base::EventSerializationState] @return [String]

@since 0.5.0 @api private

# File lib/evil_events/plugins/mpacker_engine/mpacker.rb, line 23
def dump(serialization_state)
  packer.pack(
    id:       serialization_state.id,
    type:     serialization_state.type,
    payload:  serialization_state.payload,
    metadata: serialization_state.metadata
  ).to_str
end
load(message) click to toggle source

@param message [String] @raise [EvilEvents::SerializationEngineError] @return [EventSerializationState]

@since 0.5.0 @api private

# File lib/evil_events/plugins/mpacker_engine/mpacker.rb, line 38
def load(message)
  begin
    event_data = unpacker.feed(message).unpack
    raise EvilEvents::SerializationEngineError unless event_data.is_a?(::Hash)
  rescue ::MessagePack::UnpackError, ArgumentError, TypeError
    raise EvilEvents::SerializationEngineError
  end

  restore_serialization_state(
    id:       event_data[:id],
    type:     event_data[:type],
    payload:  event_data[:payload],
    metadata: event_data[:metadata]
  )
end

Private Instance Methods

packer() click to toggle source

@return [::MessagePack::Packer]

@api private @since 0.5.0

# File lib/evil_events/plugins/mpacker_engine/mpacker.rb, line 66
def packer
  factory.packer
end
unpacker() click to toggle source

@return [::MessagePack::Unpacker]

@api private @since 0.5.0

# File lib/evil_events/plugins/mpacker_engine/mpacker.rb, line 74
def unpacker
  factory.unpacker(symbolize_keys: true)
end