Module: LaunchDarkly::Impl::EvaluatorHelpers

Defined in:
lib/ldclient-rb/impl/evaluator_helpers.rb

Overview

Since:

  • 5.5.0

Class Method Summary collapse

Class Method Details

.context_key_in_target_list(context, kind, keys) ⇒ Boolean

Parameters:

Returns:

  • (Boolean)

Since:

  • 5.5.0



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# File 'lib/ldclient-rb/impl/evaluator_helpers.rb', line 39

def self.context_key_in_target_list(context, kind, keys)
  return false unless keys.is_a? Enumerable
  return false if keys.empty?

  matched_context = context.individual_context(kind || LaunchDarkly::LDContext::KIND_DEFAULT)
  return false if matched_context.nil?

  keys.include? matched_context.key
end

.evaluation_detail_for_off_variation(flag, reason) ⇒ Object

Parameters:

Since:

  • 5.5.0



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# File 'lib/ldclient-rb/impl/evaluator_helpers.rb', line 13

def self.evaluation_detail_for_off_variation(flag, reason)
  index = flag.off_variation
  index.nil? ? EvaluationDetail.new(nil, nil, reason) : evaluation_detail_for_variation(flag, index, reason)
end

.evaluation_detail_for_variation(flag, index, reason) ⇒ Object

Parameters:

Since:

  • 5.5.0



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# File 'lib/ldclient-rb/impl/evaluator_helpers.rb', line 23

def self.evaluation_detail_for_variation(flag, index, reason)
  vars = flag.variations
  if index < 0 || index >= vars.length
    EvaluationDetail.new(nil, nil, EvaluationReason::error(EvaluationReason::ERROR_MALFORMED_FLAG))
    # This error condition has already been logged at the time we received the flag data - see model/feature_flag.rb
  else
    EvaluationDetail.new(vars[index], index, reason)
  end
end