Class: Flipper::Adapters::Memoized

Inherits:
Object
  • Object
show all
Defined in:
lib/flipper/adapters/memoized.rb

Instance Method Summary collapse

Constructor Details

#initialize(adapter, cache = {}) ⇒ Memoized

Public



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# File 'lib/flipper/adapters/memoized.rb', line 7

def initialize(adapter, cache = {})
  @adapter = adapter
  @cache = cache
end

Instance Method Details

#delete(key) ⇒ Object

Public



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

def delete(key)
  result = @adapter.delete(key)
  @cache.delete(key)
  result
end

#read(key) ⇒ Object

Public



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

def read(key)
  @cache.fetch(key) {
    @cache[key] = @adapter.read(key)
  }
end

#set_add(key, value) ⇒ Object

Public



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

def set_add(key, value)
  result = @adapter.set_add(key, value)
  @cache.delete(key)
  result
end

#set_delete(key, value) ⇒ Object

Public



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

def set_delete(key, value)
  result = @adapter.set_delete(key, value)
  @cache.delete(key)
  result
end

#set_members(key) ⇒ Object

Public



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# File 'lib/flipper/adapters/memoized.rb', line 48

def set_members(key)
  @cache.fetch(key) {
    @cache[key] = @adapter.set_members(key)
  }
end

#write(key, value) ⇒ Object

Public



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# File 'lib/flipper/adapters/memoized.rb', line 20

def write(key, value)
  result = @adapter.write(key, value)
  @cache.delete(key)
  result
end