Class: IoC::Container

Inherits:
Object show all
Includes:
Singleton
Defined in:
lib/ioc/container.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Container

Returns a new instance of Container.



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# File 'lib/ioc/container.rb', line 10

def initialize
  @depedencies = Hash.new
  @mutex = Mutex.new
end

Class Method Details

.init {|instance| ... } ⇒ Object

Yields:

  • (instance) 


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# File 'lib/ioc/container.rb', line 15

def self.init
  yield(instance)
end

Instance Method Details

#register(name, value = nil, &block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ioc/container.rb', line 19

def register(name, value = nil, &block)
  raise ArgumentError, "WTF dude?" unless name && (value || block)

  synchronized do
    dependency = if block_given?
                   Dependency.new(block)
                 else
                   Dependency.new(value, singleton: true)
                 end

    depedencies[name] = dependency
  end
end

#retrieve(name) ⇒ Object 



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# File 'lib/ioc/container.rb', line 33

def retrieve(name)
  synchronized do
    dependency = depedencies.fetch(name)
    dependency.call
  end
rescue KeyError
  raise DependencyNotFound, "Dependency not found"
end