module Flag

# File lib/flag.rb, line 139
def enabled
  features.select { |k, v| v.on? }.keys
end

# File lib/flag.rb, line 151
def execute
  yield(store)
rescue Errno::ECONNREFUSED, Errno::EINVAL => e
  raise RedisGoneError unless quiet?
end

# File lib/flag.rb, line 171
def features
  @_features ||= Hash.new { |h, k| h[k] = Feature.new(k) }

  self.execute do |store|
    store.call("HKEYS", FEATURES).each { |k| @_features[k.to_sym] }
  end

  @_features
end

# File lib/flag.rb, line 133
def flush
  @_group = nil
  features.each { |_, f| f.reset }
  self.execute { |store| store.call("DEL", FEATURES) }
end

# File lib/flag.rb, line 161
def group
  @_group ||= Hash.new do |h, k|
    h[k] = lambda { |id| }
  end
end

# File lib/flag.rb, line 167
def groups
  group.keys
end

# File lib/flag.rb, line 143
def quiet!
  @quiet = true
end

# File lib/flag.rb, line 147
def quiet?
  @quiet == true
end