Class: Flipper::Adapters::Memory

Inherits:
Object
  • Object
show all
Includes:
Flipper::Adapter
Defined in:
lib/flipper/adapters/memory.rb

Overview

Public: Adapter for storing everything in memory (ie: Hash). Useful for tests/specs.

Constant Summary collapse

FeaturesKey = 
:features

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Flipper::Adapter

#default_config, #import, included

Constructor Details

#initialize(source = nil) ⇒ Memory

Public



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# File 'lib/flipper/adapters/memory.rb', line 16

def initialize(source = nil)
  @source = source || {}
  @name = :memory
end

Instance Attribute Details

#name ⇒ Object (readonly)

Public: The name of the adapter.



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# File 'lib/flipper/adapters/memory.rb', line 13

def name
  @name
end

Instance Method Details

#add(feature) ⇒ Object

Public: Adds a feature to the set of known features.



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# File 'lib/flipper/adapters/memory.rb', line 27

def add(feature)
  features.add(feature.key)
  true
end

#clear(feature) ⇒ Object

Public: Clears all the gate values for a feature.



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# File 'lib/flipper/adapters/memory.rb', line 41

def clear(feature)
  feature.gates.each do |gate|
    delete key(feature, gate)
  end
  true
end

#disable(feature, gate, thing) ⇒ Object

Public



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# File 'lib/flipper/adapters/memory.rb', line 80

def disable(feature, gate, thing)
  case gate.data_type
  when :boolean
    clear(feature)
  when :integer
    write key(feature, gate), thing.value.to_s
  when :set
    set_delete key(feature, gate), thing.value.to_s
  else
    raise "#{gate} is not supported by this adapter yet"
  end

  true
end

#enable(feature, gate, thing) ⇒ Object

Public



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# File 'lib/flipper/adapters/memory.rb', line 66

def enable(feature, gate, thing)
  case gate.data_type
  when :boolean, :integer
    write key(feature, gate), thing.value.to_s
  when :set
    set_add key(feature, gate), thing.value.to_s
  else
    raise "#{gate} is not supported by this adapter yet"
  end

  true
end

#features ⇒ Object

Public: The set of known features.



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# File 'lib/flipper/adapters/memory.rb', line 22

def features
  read_feature_keys
end

#get(feature) ⇒ Object

Public



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# File 'lib/flipper/adapters/memory.rb', line 49

def get(feature)
  read_feature(feature)
end

#get_all ⇒ Object 



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# File 'lib/flipper/adapters/memory.rb', line 57

def get_all
  features = read_feature_keys.map do |key|
    Flipper::Feature.new(key, self)
  end

  read_many_features(features)
end

#get_multi(features) ⇒ Object 



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# File 'lib/flipper/adapters/memory.rb', line 53

def get_multi(features)
  read_many_features(features)
end

#inspect ⇒ Object

Public



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# File 'lib/flipper/adapters/memory.rb', line 96

def inspect
  attributes = [
    'name=:memory',
    "source=#{@source.inspect}",
  ]
  "#<#{self.class.name}:#{object_id} #{attributes.join(', ')}>"
end

#remove(feature) ⇒ Object

Public: Removes a feature from the set of known features and clears all the values for the feature.



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# File 'lib/flipper/adapters/memory.rb', line 34

def remove(feature)
  features.delete(feature.name.to_s)
  clear(feature)
  true
end