Sha256: 9b0af9af137b3783df03ae15aad104a1a327f4cea63f6e7468c8ed5aa1e41469
Contents?: true
Size: 646 Bytes
Versions: 6
Compression:
Stored size: 646 Bytes
Contents
module Metry
class Experiment
METHODS = {
"rand" => proc{|list, visitor| list.sort_by{rand}.first},
"mod_visitor" => proc{|list, visitor| list[(visitor['_id'].to_i-1)%list.size]}, # mod_visitor will only work with predictable_keys = true
}
def initialize(name, event, visitor)
@key = "experiment:#{name}"
@event = event
@visitor = visitor
end
def choose(options, method=nil)
unless choice = @visitor[@key]
choice = METHODS[method || "rand"][options.keys, @visitor]
@visitor[@key] = choice
end
@event[@key] = choice
options[choice]
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems