Class: Ki::ServiceRegistry

Inherits:
Hash show all
Defined in:
lib/util/service_registry.rb

Defined Under Namespace

Classes: ServiceList

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Hash

#require

Constructor Details

#initialize ⇒ ServiceRegistry

Returns a new instance of ServiceRegistry.



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# File 'lib/util/service_registry.rb', line 23

def initialize
  @monitor = Monitor.new
  @by_parent = {}
end

Instance Attribute Details

#by_parent ⇒ Object (readonly)

Returns the value of attribute by_parent.



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# File 'lib/util/service_registry.rb', line 21

def by_parent
  @by_parent
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/util/service_registry.rb', line 71

def clear
  @monitor.synchronize do
    @by_parent.clear
    super
  end
end

#find(url, value = nil) ⇒ Object 



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# File 'lib/util/service_registry.rb', line 46

def find(url, value=nil)
  @monitor.synchronize do
    if include?(url)
      self[url]
    elsif @by_parent.include?(url)
      services = @by_parent[url]
      if services
        if value
          services = services.select { |id, service| service.supports?(value) }
        end
        services = ServiceList.new.concat(services)
      end
      services
    end
  end
end

#find!(url, value = nil) ⇒ Object 



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# File 'lib/util/service_registry.rb', line 63

def find!(url, value=nil)
  found = find(url, value)
  if found.nil?
    raise "Could not resolve '#{url}'"
  end
  found
end

#register(*args) ⇒ Object 



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# File 'lib/util/service_registry.rb', line 28

def register(*args)
  @monitor.synchronize do
    case args.size
      when 1
        args.first.each_pair do |url, clazz|
          register(url, clazz)
        end
      when 2
        url, clazz = args
        self[url]=clazz
        (@by_parent[File.dirname(url)]||=Array.new) << args
      else
        raise "Not supported '#{args.inspect}'"
    end
  end
  self
end