Module: Flag

Defined in:
lib/flag.rb

Defined Under Namespace

Classes: Feature, Members

Constant Summary collapse

FEATURES = 
"_flag:features".freeze
RedisGoneError = 
StandardError

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.quiet ⇒ Object

Returns the value of attribute quiet.



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# File 'lib/flag.rb', line 131

def quiet
  @quiet
end

.store ⇒ Object

Returns the value of attribute store.



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# File 'lib/flag.rb', line 131

def store
  @store
end

Class Method Details

.enabled ⇒ Object 



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# File 'lib/flag.rb', line 139

def enabled
  features.select { |k, v| v.on? }.keys
end

.execute ⇒ Object 



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# File 'lib/flag.rb', line 151

def execute
  yield(store)
rescue Errno::ECONNREFUSED, Errno::EINVAL => e
  raise RedisGoneError unless quiet?
end

.features ⇒ Object 



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# 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

.flush ⇒ Object 



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# File 'lib/flag.rb', line 133

def flush
  @_group = nil
  features.each { |_, f| f.reset }
  self.execute { |store| store.call("DEL", FEATURES) }
end

.group ⇒ Object 



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# File 'lib/flag.rb', line 161

def group
  @_group ||= Hash.new do |h, k|
    h[k] = lambda { |id| }
  end
end

.groups ⇒ Object 



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# File 'lib/flag.rb', line 167

def groups
  group.keys
end

.quiet! ⇒ Object 



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# File 'lib/flag.rb', line 143

def quiet!
  @quiet = true
end

.quiet? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flag.rb', line 147

def quiet?
  @quiet == true
end