Class: ActiveSupport::Dependencies::ClassCache

Inherits:
Object
  • Object
show all
Defined in:
activesupport/lib/active_support/dependencies.rb

Instance Method Summary collapse

Constructor Details

#initializeClassCache

Returns a new instance of ClassCache


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# File 'activesupport/lib/active_support/dependencies.rb', line 540

def initialize
  @store = Hash.new
end

Instance Method Details

#clear!Object


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# File 'activesupport/lib/active_support/dependencies.rb', line 573

def clear!
  @store.clear
end

#empty?Boolean

Returns:

  • (Boolean)

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# File 'activesupport/lib/active_support/dependencies.rb', line 544

def empty?
  @store.empty?
end

#get(key) ⇒ Object Also known as: []


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# File 'activesupport/lib/active_support/dependencies.rb', line 552

def get(key)
  key = key.name if key.respond_to?(:name)
  @store[key] ||= Inflector.constantize(key)
end

#key?(key) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'activesupport/lib/active_support/dependencies.rb', line 548

def key?(key)
  @store.key?(key)
end

#safe_get(key) ⇒ Object


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# File 'activesupport/lib/active_support/dependencies.rb', line 558

def safe_get(key)
  key = key.name if key.respond_to?(:name)
  @store[key] || begin
    klass = Inflector.safe_constantize(key)
    @store[key] = klass
  end
end

#store(klass) ⇒ Object

Raises:

  • (ArgumentError)

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# File 'activesupport/lib/active_support/dependencies.rb', line 566

def store(klass)
  return self unless klass.respond_to?(:name)
  raise(ArgumentError, 'anonymous classes cannot be cached') if klass.name.empty?
  @store[klass.name] = klass
  self
end