Class: Aspecto::OpenTelemetry::Sampler::Operator

Inherits:
Object
  • Object
show all
Defined in:
lib/aspecto/opentelemetry/sampler/operator.rb

Overview

A single operator used to evaluate sampling rules

Instance Method Summary collapse

Constructor Details

#initialize(operator, expected) ⇒ Operator

rubocop:disable Metrics/AbcSize



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# File 'lib/aspecto/opentelemetry/sampler/operator.rb', line 10

def initialize(operator, expected) # rubocop:disable Metrics/AbcSize
  @expected = expected&.downcase
  @expected = Regexp.new(@expected) if operator == "matches"

  operator_to_proc = {
    "eq" => proc { |actual| @expected == actual },
    "ne" => proc { |actual| @expected != actual },
    "starts_with" => proc { |actual| actual&.start_with?(expected) },
    "ends_with" => proc { |actual| actual&.end_with?(expected) },
    "contains" => proc { |actual| actual&.include?(expected) },
    "not_contains" => proc { |actual| !actual&.include?(expected) },
    "matches" => proc { |actual| @expected.match(actual) },
    "defined" => proc { |actual| !actual.nil? },
    "undefined" => proc { |actual| actual.nil? },
    "any" => proc { true }
  }

  @evaluate = operator_to_proc.fetch(operator, proc { false })
end

Instance Method Details

#satisfies?(actual) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aspecto/opentelemetry/sampler/operator.rb', line 30

def satisfies?(actual)
  @evaluate.call actual&.downcase
end