Class: XenAPI::Dispatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/xenapi/dispatcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(proxy, &error_callback) ⇒ Dispatcher

Returns a new instance of Dispatcher.



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# File 'lib/xenapi/dispatcher.rb', line 5

def initialize(proxy, &error_callback)
  @proxy = adjust_proxy_methods!(proxy)
  @error_callback = error_callback
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/xenapi/dispatcher.rb', line 10

def method_missing(name, *args)
  begin
    response = @proxy.send(name, *args)
    raise XenAPI::ErrorFactory.create(*response['ErrorDescription']) unless response['Status'] == 'Success'
    response['Value']
  rescue Exception => exc
    error = XenAPI::ErrorFactory.wrap(exc)
    if @error_callback
      @error_callback.call(error) do |new_session|
        prefix = @proxy.prefix.delete(".").to_sym
        dispatcher = new_session.send(prefix)
        dispatcher.send(name, *args)
      end
    else
      raise error
    end
  end
end