Class: OpenTelemetry::Common::Propagation::SymbolKeyGetter

Inherits:

Object

Object
OpenTelemetry::Common::Propagation::SymbolKeyGetter

show all

Defined in:: lib/opentelemetry/common/propagation/symbol_key_getter.rb

Overview

The SymbolKeyGetter class provides a common method for reading symbol keys from a hash.

Instance Method Summary collapse

#get(carrier, key) ⇒ Object

Converts key into a symbol and reads it from the carrier.
#keys(carrier) ⇒ Object

Reads all keys from a carrier.

Instance Method Details

#get(carrier, key) ⇒ `Object`

Converts key into a symbol and reads it from the carrier. Useful for extract operations.



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# File 'lib/opentelemetry/common/propagation/symbol_key_getter.rb', line 15

def get(carrier, key)
  carrier[key.to_sym]
end

#keys(carrier) ⇒ `Object`

Reads all keys from a carrier



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# File 'lib/opentelemetry/common/propagation/symbol_key_getter.rb', line 20

def keys(carrier)
  carrier.keys.map(&:to_s)
end