class MetricsEvent

  attr_accessor :feature_config, :target, :variation

  def initialize(feature_config, target, variation)

    @target = target
    @variation = variation
    @feature_config = feature_config
    freeze
  end

  def ==(other)
    eql?(other)
  end

  def eql?(other)
    feature_config.feature == other.feature_config.feature and
      variation.identifier == other.variation.identifier and
      target.identifier == other.target.identifier
  end

  def hash
    feature_config.feature.hash | variation.identifier.hash | target.identifier.hash
  end


end