class Split::Metric

Attributes

experiments[RW]
name[RW]

Public Class Methods

all() click to toggle source
# File lib/split/metric.rb, line 55
def self.all
  redis_metrics = Split.redis.hgetall(:metrics).collect do |key, value|
    find(key)
  end
  configuration_metrics = Split.configuration.metrics.collect do |key, value|
    new(name: key, experiments: value)
  end
  redis_metrics | configuration_metrics
end
find(name) click to toggle source
# File lib/split/metric.rb, line 39
def self.find(name)
  name = name.intern if name.is_a?(String)
  metric = load_from_configuration(name)
  metric = load_from_redis(name) if metric.nil?
  metric
end
find_or_create(attrs) click to toggle source
# File lib/split/metric.rb, line 46
def self.find_or_create(attrs)
  metric = find(attrs[:name])
  unless metric
    metric = new(attrs)
    metric.save
  end
  metric
end
load_from_configuration(name) click to toggle source
# File lib/split/metric.rb, line 30
def self.load_from_configuration(name)
  metrics = Split.configuration.metrics
  if metrics && metrics[name]
    Split::Metric.new(:experiments => metrics[name], :name => name)
  else
    nil
  end
end
load_from_redis(name) click to toggle source
# File lib/split/metric.rb, line 15
def self.load_from_redis(name)
  metric = Split.redis.hget(:metrics, name)
  if metric
    experiment_names = metric.split(',')

    experiments = experiment_names.collect do |experiment_name|
      Split::ExperimentCatalog.find(experiment_name)
    end

    Split::Metric.new(:name => name, :experiments => experiments)
  else
    nil
  end
end
new(attrs = {}) click to toggle source
# File lib/split/metric.rb, line 7
def initialize(attrs = {})
  attrs.each do |key,value|
    if self.respond_to?("#{key}=")
      self.send("#{key}=", value)
    end
  end
end
possible_experiments(metric_name) click to toggle source
# File lib/split/metric.rb, line 65
def self.possible_experiments(metric_name)
  experiments = []
  metric  = Split::Metric.find(metric_name)
  if metric
    experiments << metric.experiments
  end
  experiment = Split::ExperimentCatalog.find(metric_name)
  if experiment
    experiments << experiment
  end
  experiments.flatten
end

Private Class Methods

normalize_metric(label) click to toggle source
# File lib/split/metric.rb, line 88
def self.normalize_metric(label)
  if Hash === label
    metric_name = label.keys.first
    goals = label.values.first
  else
    metric_name = label
    goals = []
  end
  return metric_name, goals
end

Public Instance Methods

complete!() click to toggle source
# File lib/split/metric.rb, line 82
def complete!
  experiments.each do |experiment|
    experiment.complete!
  end
end
save() click to toggle source
# File lib/split/metric.rb, line 78
def save
  Split.redis.hset(:metrics, name, experiments.map(&:name).join(','))
end