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propagation.rb
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propagation.rb
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# frozen_string_literal: true
# Copyright The OpenTelemetry Authors
#
# SPDX-License-Identifier: Apache-2.0
require_relative './propagation/rack_env_getter'
require_relative './propagation/symbol_key_getter'
module OpenTelemetry
module Common
# Propagation contains common helpers for context propagation.
module Propagation
extend self
RACK_ENV_GETTER = RackEnvGetter.new
SYMBOL_KEY_GETTER = SymbolKeyGetter.new
private_constant :RACK_ENV_GETTER, :SYMBOL_KEY_GETTER
# Returns a {RackEnvGetter} instance suitable for reading values from a
# Rack environment.
def rack_env_getter
RACK_ENV_GETTER
end
# Returns a {SymbolKeyGetter} instance for reading values from a
# symbol keyed hash.
def symbol_key_getter
SYMBOL_KEY_GETTER
end
end
end
end