Hi, In order to use the proxy generation hook.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Krzysztof Kozmic Sent: den 27 augusti 2010 01:43 To: [email protected] Subject: Re: Generate proxy for transactions and also through e.g. factory method? Henri why are you using factory method instead of letting Windsor create the proxy itself? 2010/8/27 Henrik Feldt <[email protected]>: > Hey, > > Well, the point is that I want to use constructor dependency injection (the > IFileAdapter is configured by the tx-facility); I’d like to use DI and still > be able to wrap lots of interceptors around the targets in order to do > full-fledged AOP :)… > > I tried this: > (k => { > Console.WriteLine("Generating"); > > var tmp = _Generator.CreateClassProxy( > > typeof (TSettings), options, new object[] {c.Resolve<IFileAdapte > r>()}, > new AutoSave(), > > new GetProperties()) as TSettings; > > Console.WriteLine(string.Format("Done with gen, type {0}, c'tors: {1}, dep: > {2}", tmp.GetType(), > > string.Join(",", tmp.GetType().GetConstructors().Select(ctor => ctor.ToStrin > g()).ToArray()), tmp.Fa)); > return tmp; > } > > Which gives output: > Generating > [my interceptor output from c'tor calls to properties] > Methods inspected > Intercepted Castle.Proxies.Invocations.PropertiesSettings_set_First > Intercepted Castle.Proxies.Invocations.PropertiesSettings_set_Grades > Intercepted Castle.Proxies.Invocations.PropertiesSettings_set_Items > Intercepted Castle.Proxies.Invocations.PropertiesSettings_set_Grades > Done with gen, type Castle.Proxies.PropertiesSettingsProxy, c'tors: Void > .ctor(Castle.Core.Interceptor.IInterceptor[], > Castle.Services.Transaction.IO.IFileAdapter), dep: > Castle.Services.Transaction.IO.FileAdapter > Test 'ProxyTests.CreatingSettings' failed: > Castle.MicroKernel.ComponentActivator.ComponentActivatorException : > FactoryActivator: could not proxy Castle.Proxies.PropertiesSettingsProxy > ----> System.ArgumentException : Can not instantiate proxy of class: > PropertiesSettings. > Could not find a parameterless constructor. > Parameter name: constructorArguments > at Castle.Facilities.FactorySupport.FactoryActivator.Create(Object > factoryInstance, String factoryId, MethodInfo instanceCreateMethod, String > factoryCreate, CreationContext context) > at > Castle.Facilities.FactorySupport.FactoryActivator.Instantiate(CreationContex > t context) > > HOWEVER: > ======== > > Registering the interceptors as well and not using the proxy generator works > fine. Then the question is merely how to specify a generation hook for it? > Or alternatively how to mimic the default behavior... > > Cheers, > Henrik > > From: [email protected] > [mailto:[email protected]] On Behalf Of John Simons > Sent: den 27 augusti 2010 00:14 > To: [email protected] > Subject: Re: Generate proxy for transactions and also through e.g. factory > method? > > I'm sure it can't be this easy, but have you tried to do what the exception > tells you? > Add a default public constructor to PropertiesSettings class. > > Cheers > John > > ________________________________________ > From: Henrik Feldt <[email protected]> > To: [email protected] > Sent: Fri, 27 August, 2010 6:48:49 AM > Subject: Generate proxy for transactions and also through e.g. factory > method? > > Hi, > > I'm trying to extend a transactional class to create a nifty > properties-class that auto-saves, keeps key-values updated and is > transactional. My final aim being to create a bunch of test-cases for > transaction failure handling and retry-policies. > > I got code like this: > > private static readonly ProxyGenerator _Generator = new ProxyGenerator(); > > public static IWindsorContainer CreateContainer<TSettings>() where TSettings > : SettingsBase > { > var c = new WindsorContainer(); > c.AddFacility<FactorySupportFacility>(); > c.AddFacility<TransactionFacility>(); > > var options = new ProxyGenerationOptions(new > SettingsProxyGenerationHook()); > > c.Register( > > Component.For<ITransactionManager>().ImplementedBy<DefaultTransactionManager >>(), > Component.For<TSettings>() > .UsingFactoryMethod(k => > _Generator.CreateClassProxy( > typeof(TSettings), options, new > object[] { c.Resolve<IFileAdapter>() }, > new AutoSave(), > new GetProperties()) as TSettings) > .LifeStyle.Transient > ); > > return c; > } > > public static TSettings CreateSettings<TSettings>() where TSettings : > SettingsBase > { > var s = CreateContainer<TSettings>().Resolve<TSettings>(); > return s; > } > > [Test] > public void CreatingSettings() > { > CreateSettings<PropertiesSettings>(); > } > > Which yields this exception: > > Test 'ProxyTests.CreatingSettings' failed: > Castle.MicroKernel.ComponentActivator.ComponentActivatorException : > FactoryActivator: could not proxy Castle.Proxies.PropertiesSettingsProxy > ----> System.ArgumentException : Can not instantiate proxy of class: > PropertiesSettings. > Could not find a parameterless constructor. > Parameter name: constructorArguments > at Castle.Facilities.FactorySupport.FactoryActivator.Create(Object > factoryInstance, String factoryId, MethodInfo instanceCreateMethod, String > factoryCreate, CreationContext context) > at > Castle.Facilities.FactorySupport.FactoryActivator.Instantiate(CreationContex > t context) > at > Castle.MicroKernel.ComponentActivator.DefaultComponentActivator.InternalCrea > te(CreationContext context) > at > Castle.MicroKernel.ComponentActivator.AbstractComponentActivator.Create(Crea > tionContext context) > at > Castle.MicroKernel.Lifestyle.AbstractLifestyleManager.Resolve(CreationContex > t context) > at > Castle.MicroKernel.Handlers.DefaultHandler.ResolveCore(CreationContext > context, Boolean track) > at > Castle.MicroKernel.Handlers.AbstractHandler.Resolve(CreationContext context) > at Castle.MicroKernel.DefaultKernel.ResolveComponent(IHandler > handler, Type service, IDictionary additionalArguments) > at Castle.MicroKernel.DefaultKernel.ResolveComponent(IHandler > handler, Type service) > at Castle.MicroKernel.DefaultKernel.get_Item(Type service) > at Castle.Windsor.WindsorContainer.Resolve(Type service) > at Castle.Windsor.WindsorContainer.Resolve[T]() > SettingsBaseTests.cs(52,0): at > ProxyTests.CreateSettings[TSettings]() > SettingsBaseTests.cs(59,0): at ProxyTests.CreatingSettings() > > > What is the best way to go about fixing this? Is there a way to specify a > generation hook through the fluent registration api, so that I don't have to > use a factory method? What am I missing? > > SettingsBase, that abstract base class for PropertiesSettings (I had a > bright moment naming that one!), has the TransactionalAttribute attached. > > Cheers > > -- > You received this message because you are subscribed to the Google Groups > "Castle Project Users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/castle-project-users?hl=en. > > > -- > You received this message because you are subscribed to the Google Groups > "Castle Project Users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/castle-project-users?hl=en. > > -- > You received this message because you are subscribed to the Google Groups "Castle Project Users" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to [email protected]. > For more options, visit this group at http://groups.google.com/group/castle-project-users?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Castle Project Users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/castle-project-users?hl=en. -- You received this message because you are subscribed to the Google Groups "Castle Project Users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/castle-project-users?hl=en.
