Method: AnyCache::Adapters::Redis#decrement

Defined in:
lib/any_cache/adapters/redis.rb

#decrement(key, amount = DEFAULT_INCR_DECR_AMOUNT, **options) ⇒ NillClass, Integer

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • key (String)
  • amount (Integer) (defaults to: DEFAULT_INCR_DECR_AMOUNT)

Returns:

  • (NillClass, Integer)

Since:

  • 0.1.0



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# File 'lib/any_cache/adapters/redis.rb', line 210

def decrement(key, amount = DEFAULT_INCR_DECR_AMOUNT, **options)
  expires_in = options.fetch(:expires_in, NO_EXPIRATION_TTL)
  new_amount = nil

  pipelined do
    new_amount = decrby(key, amount)
    expire(key, expires_in: expires_in) if expires_in
  end

  new_amount&.value
end