Method: Dalli::Client#replace_cas

Defined in:
lib/dalli/cas/client.rb

#replace_cas(key, value, cas, ttl = nil, options = nil) ⇒ Object

Conditionally add a key/value pair, verifying existing CAS, only if the key already exists on the server. Returns the new CAS value if the operation succeeded, or falsy otherwise.



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# File 'lib/dalli/cas/client.rb', line 47

def replace_cas(key, value, cas, ttl=nil, options=nil)
  ttl ||= @options[:expires_in].to_i
  perform(:replace, key, value, ttl, cas, options)
end