Class: SplitIoClient::Engine::Parser::Evaluator

Inherits:
Object
  • Object
show all
Defined in:
lib/splitclient-rb/engine/parser/evaluator.rb

Instance Method Summary collapse

Constructor Details

#initialize(segments_repository, splits_repository, config, multiple = false) ⇒ Evaluator

Returns a new instance of Evaluator.



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# File 'lib/splitclient-rb/engine/parser/evaluator.rb', line 5

def initialize(segments_repository, splits_repository, config, multiple = false)
  @splits_repository = splits_repository
  @segments_repository = segments_repository
  @multiple = multiple
  @config = config
  @cache = {}
end

Instance Method Details

#call(keys, split, attributes = nil) ⇒ Object 



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# File 'lib/splitclient-rb/engine/parser/evaluator.rb', line 13

def call(keys, split, attributes = nil)
  # DependencyMatcher here, split is actually a split_name in this case
  cache_result = split.is_a? String
  split = @splits_repository.get_split(split) if cache_result
  digest = Digest::MD5.hexdigest("#{{matching_key: keys[:matching_key]}}#{split}#{attributes}")

  if Models::Split.archived?(split)
    return treatment_hash(Models::Label::ARCHIVED, Models::Treatment::CONTROL, split[:changeNumber])
  end

  treatment = if Models::Split.matchable?(split)
    if @multiple && @cache[digest]
      @cache[digest]
    else
      match(split, keys, attributes)
    end
  else
    treatment_hash(Models::Label::KILLED, split[:defaultTreatment], split[:changeNumber], split_configurations(split[:defaultTreatment], split))
  end

  @cache[digest] = treatment if cache_result

  treatment
end