Class: Moltrio::Config::AdapterChain

Inherits:
Adapter
  • Object
show all
Defined in:
lib/moltrio/config/adapter_chain.rb

Instance Method Summary collapse

Methods inherited from Adapter

#fetch, #fetch_all, #slice

Constructor Details

#initialize(adapters) ⇒ AdapterChain

Returns a new instance of AdapterChain.



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# File 'lib/moltrio/config/adapter_chain.rb', line 7

def initialize(adapters)
  @adapters = Hamster.list(*adapters)
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/moltrio/config/adapter_chain.rb', line 19

def [](key)
  if adapter = adapter_for_key(key)
    adapter[key]
  end
end

#[]=(key, value) ⇒ Object 



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# File 'lib/moltrio/config/adapter_chain.rb', line 25

def []=(key, value)
  first_adapter[key] = value
end

#available_namespaces ⇒ Object 



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# File 'lib/moltrio/config/adapter_chain.rb', line 37

def available_namespaces
  adapters.reduce(Hamster.set) { |set, adapter|
    set.merge(adapter.available_namespaces)
  }
end

#has_key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/moltrio/config/adapter_chain.rb', line 29

def has_key?(key)
  !!adapter_for_key(key)
end

#missing_namespace? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/moltrio/config/adapter_chain.rb', line 33

def missing_namespace?
  adapters.any?(&:missing_namespace?)
end

#on_namespace(namespace) ⇒ Object 



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# File 'lib/moltrio/config/adapter_chain.rb', line 11

def on_namespace(namespace)
  adapters_on_namespace = adapters.map { |adapter|
    adapter.on_namespace(namespace)
  }

  self.class.new(adapters_on_namespace)
end