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Class: Rails::Initializable::Collection

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
Inherits: Object
Defined in: railties/lib/rails/initializable.rb

Class Method Summary

Instance Attribute Summary

::Enumerable - Included

#many?

Returns true if the enumerable has more than 1 element.

Instance Method Summary

::Enumerable - Included

#compact_blank

Returns a new ::Array without the blank items.

#exclude?

The negative of the Enumerable#include?.

#excluding

Returns a copy of the enumerable excluding the specified elements.

#in_order_of

Returns a new ::Array where the order has been set to that provided in the series, based on the key of the objects in the original enumerable.

#including

Returns a new array that includes the passed elements.

#index_by

Convert an enumerable to a hash, using the block result as the key and the element as the value.

#index_with

Convert an enumerable to a hash, using the element as the key and the block result as the value.

#maximum

Calculates the maximum from the extracted elements.

#minimum

Calculates the minimum from the extracted elements.

#pick

Extract the given key from the first element in the enumerable.

#pluck

Extract the given key from each element in the enumerable.

#sole

Returns the sole item in the enumerable.

#without
#as_json

::ActiveSupport::EnumerableCoreExt::Constants - Included

Constructor Details

.new(initializers = nil) ⇒ Collection

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 41

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)

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 67

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

#<<(initializer)

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 71

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

#concat(initializers)

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 78

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

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

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 56

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

#has?(name) ⇒ Boolean

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 83

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

#last

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 52

def last
  @collection.last
end

#to_a

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 48

def to_a
  @collection
end

#tsort_each_child(initializer, &block)

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 61

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

#tsort_each_node(&block)

Alias for #each.

[ GitHub ]

  
# File 'railties/lib/rails/initializable.rb', line 60

alias :tsort_each_node :each