Class: Rails::Initializable::Collection

Inherits:
Object
  • Object
show all
Includes:
Enumerable, TSort
Defined in:
lib/rails/initializable.rb

Instance Method Summary collapse

Constructor Details

#initialize(initializers = nil) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/rails/initializable.rb', line 43

def initialize(initializers = nil)
  @order = Hash.new { |hash, key| hash[key] = Set.new }
  @resolve = Hash.new { |hash, key| hash[key] = Set.new }
  @collection = []
  concat(initializers) if initializers
end

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/rails/initializable.rb', line 69

def +(other)
  dup.concat(other.to_a)
end

#<<(initializer) ⇒ Object 



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# File 'lib/rails/initializable.rb', line 73

def <<(initializer)
  @collection << initializer
  @order[initializer.before] << initializer.name if initializer.before
  @order[initializer.name] << initializer.after if initializer.after
  @resolve[initializer.name] << initializer
  self
end

#concat(*initializer_collections) ⇒ Object 



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# File 'lib/rails/initializable.rb', line 88

def concat(*initializer_collections)
  initializer_collections.each do |initializers|
    initializers.each(&method(:<<))
  end
  self
end

#each(&block) ⇒ Object Also known as: tsort_each_node 



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# File 'lib/rails/initializable.rb', line 58

def each(&block)
  @collection.each(&block)
end

#has?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails/initializable.rb', line 95

def has?(name)
  @resolve.key?(name)
end

#last ⇒ Object 



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# File 'lib/rails/initializable.rb', line 54

def last
  @collection.last
end

#push(*initializers) ⇒ Object Also known as: append 



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# File 'lib/rails/initializable.rb', line 81

def push(*initializers)
  initializers.each(&method(:<<))
  self
end

#to_a ⇒ Object 



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# File 'lib/rails/initializable.rb', line 50

def to_a
  @collection
end

#tsort_each_child(initializer, &block) ⇒ Object 



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# File 'lib/rails/initializable.rb', line 63

def tsort_each_child(initializer, &block)
  @order[initializer.name].each do |name|
    @resolve[name].each(&block)
  end
end