Class: Multidispatch::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/multidispatch/store.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Store

Returns a new instance of Store.



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# File 'lib/multidispatch/store.rb', line 6

def initialize
  @store = {}
  @locked = nil
end

Instance Attribute Details

#store ⇒ Object (readonly)

Returns the value of attribute store.



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# File 'lib/multidispatch/store.rb', line 4

def store
  @store
end

Instance Method Details

#get(klass, method_name, arity) ⇒ Object

Raises:



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# File 'lib/multidispatch/store.rb', line 11

def get(klass, method_name, arity)
  class_methods = @store[klass.name] || {}
  methods = class_methods[method_name] || {}
  method_body = methods[-1] || methods[arity]
  raise NoMethodError unless method_body
  method_body
end

#lock! ⇒ Object 



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# File 'lib/multidispatch/store.rb', line 32

def lock!
  @locked = true
  self
end

#locked? ⇒ Boolean

Returns:



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# File 'lib/multidispatch/store.rb', line 28

def locked?
  @locked
end

#release! ⇒ Object 



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# File 'lib/multidispatch/store.rb', line 37

def release!
  @locked = nil
  self
end

#set(klass, method_name) ⇒ Object 



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# File 'lib/multidispatch/store.rb', line 19

def set(klass, method_name)
  return nil if locked?

  class_methods = @store[klass.name] ||= {}
  methods = class_methods[method_name] ||= {}
  method = klass.instance_method(method_name)
  methods[method.arity] = method
end