Class: WiseOMF::Client::ExperimentHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/wise_omf/client.rb

Overview

The ExperimentHelper offers helper methods for the experiment.

Constant Summary collapse

@@random = 
Random.new
@@uid_cache = 
LRUCache.new(ttl: 30.minutes)

Class Method Summary collapse

Class Method Details

.messageUID ⇒ Integer

Create an unique message id NOTE: Message ids are guaranteed to be unique within 30 minutes.

Returns:

  • (Integer) —

    an integer which can be used as messageUID. This integer is guaranteed to be unique within 30 minutes.



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# File 'lib/wise_omf/client.rb', line 19

def self.messageUID
  uid = -1
  while true
    uid = @@random.rand(2**32)
    break if @@uid_cache.fetch(uid).nil?
  end
  @@uid_cache.store(uid, 1)
  return uid
end