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• Generate POCO classes in different project to the project with Entity Framework model

  - by Max

  I'm trying to use the Repository Pattern with EF4 using VS2010. To this end I am using POCO code generation by right clicking on the entity model designer and clicking Add code generation item. I then select the POCO template and get my classes. What I would like to be able to do is have my solution structured into separate projects for Entity (POCO) classes and another project for the entity model and repository code. This means that my MVC project could use the POCO classes for strongly typed views etc and not have to know about the repository or have to have a reference to it. To plug it all together I will have another separate project with interfaces and use IoC. Sounds good in my head I just don't know how to generate the classes into their own project! I can copy them and then change the namespaces on them but I wanted to avoid manual work whenever I change the schema in the db and want to update my model. Thanks

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• Using Castle Windsor with FluentValidation In MVC

  - by user332022

  I'm working on getting FluentValidation working with Castle Windsor. I already have a wrapper around Castle Windsor. Here is the code for that: public class ResolveType { private static IWindsorContainer _windsorContainer; public static void Initialize( IWindsorContainer windsorContainer ) { _windsorContainer = windsorContainer; } public static T Of() { return _windsorContainer.Resolve(); } } I am trying to build the FluentValidation factory as is explained at http://www.jeremyskinner.co.uk/2010/02/22/using-fluentvalidation-with-an-ioc-container The article uses StructureMap, but I thought I could adapt it to Castle Windsor like this: public class CastleWindsorValidatorFactory : ValidatorFactoryBase { public override IValidator CreateInstance( Type validatorType) { return ResolveType.Of(); } } Notice, I'm just trying to call into my wrapper so that Windsor can resolve the type reference. The problem is that this doesn't compile. I get 'The type or namespace name 'validatorType' could not be found (are you missing a using directive or an assembly reference?)' How can I make this work?

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• Dependency Injection with Custom Membership Provider

  - by alastairs

  I have an ASP.NET MVC web application that implements a custom membership provider. The custom membership provider takes a UserRepository to its constructor that provides an interface between the membership provider and NHibernate. The UserRepository is provided by the Ninject IoC container. Obviously, however, this doesn't work when the provider is instantiated by .NET: the parameterless constructor does not have a UserRepository and cannot create one (the UserRepository requires an NHibernate session be passed to its constructor), which then means that the provider cannot access its data store. How can I resolve my object dependency? It's probably worth noting that this is an existing application that has been retrofitted with Ninject. Previously I used parameterless constructors that were able to create their required dependencies in conjunction with the parametered constructors to assist unit testing. Any thoughts, or have I built myself into a corner here?

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• Dependency Injection book recommendation(s)

  - by Portman

  It seems like there are very few books (yes, I read books) on Dependency Injection. The Amazon tag for "dependency injection" lists only a few titles, and all of them are specifically about Spring for Java. Are there any books out there that cover DI/IoC in general? Or any that include a survey of multiple DI frameworks? Or any that cover .NET in lieu of or in addition to Java? Or do we have to rely on this newfangled interweb instead of dead trees...

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• RenderAction not finding action method in current controller in current area

  - by Andrew Davey

  I'm creating an ASP.NET MVC 2 (RTM) project that uses areas. The Index action of the Home controller of one area needs to use RenderAction to generate a sub-section of the page. The action called is also defined in the same Home controller. So the call should just be: <% Html.RenderAction("List") %> However, I get an exception: A public action method 'List' was not found on controller 'RareBridge.Web.Areas.Events.Controllers.HomeController'. Note that I'm not in the "Events" area! I'm in a completely different area. If I remove the "Events" home controller, then the exception still occurs but names a different controller (still not the one I want it to call). I've also tried providing the controller name and area to the RenderAction method, but the same exception occurs. What is going on here? BTW: I am using Autofac as my IoC container

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• Sharp Architecture for Winform apps?

  - by CF_Maintainer

  The Sharp Architecture Contrib seems to suggest it is possible. It seemed like they had a dependency on "PostSharp" which has now been replaced with Castle interceptors. Has anyone used the Sharp Architecture for a non Web project? How was the experience? Does that mean one is locked in with castle as the IoC container when using Sharp architecture for non web purposes? If not Sharp Architecture, then what are some of the favored application frameworks for the non web world [spring.NET?] ? If one were to start a green field Winforms app, what application framework would be desirable?

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• Starting a Blog using Microsoft.Net technologies

  - by manav inder

  I want to start a blog using Microsoft technologies. My primary reason is to get more in-sync with technologies which are very much in demand. It does not matter how steep is the learning curve as long I am willing to devote all the time in the world. There are lot going on like Microsoft WebAPI, Dot net nuke MVC SPA etc. Let me tell you what i know I have very good experience in developing database driven .net application using winforms and wpf. Average experience in asp.net and asp.net mvc. Good in entity framework, ado.net and wcf rest services. Good in IoC/DI.

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• using MEF with NHibernate and windsor

  - by Fran

  I have an ASP.net MVC application that is using NHibernate under the covers for data access. I'm using the Windsor container to handle injecting ISession references into each controller. This works great, but now I'm looking to expand my application with a pluggable architecture so that I can have a core product and specific add-ons. I found a great article on doing this with MEF. My question is how to make the Windsor container and MEF container, life/work together so that I can achieve this. There was an article (http://codebetter.com/blogs/glenn.block/archive/2009/10/31/should-i-use-mef-with-an-ioc-container.aspx) by Glenn Block that talked about this exact issue. Then end then said that the next article would show you how to do this, but there's no part 2. Has anyone created an application like this using asp.net mvc, mef, nhibernate, castle windsor?

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• how much effective is a frameworks for RIA in long run ?

  - by iamgopal

  hi , i am pretty newbie in terms of flex/RIA frameworks. mostly done work on server side. as i search on internet , people are using a lot different framework, cairngorm to mate. so my question is , as i am baby stepping through flex, should i go for learning framework ? or without framework ? ( as of now , those DI,DAO,VO and IoC doesnt make much sense to me apart from full form. ) . i needed to do pretty serious stuff after around eight month or so. should that be enough time for learning flex ? thanks in advance. ( also any link or pointers are welcome -- althogh i have spend whole my day googling around and making hello worlds...) . how to become master of RIA FLEX ?

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• Ninject Given Path's format is not supported

  - by David Osborn

  The Ninject initialization works fine when i run my application directly from VS2010, but if I deploy the application to our custom "plugin" environment I get this error when I run the app and it tries to initialize Ninject. Error during initialization The given path's format is not supported. ERROR : The given path's format is not supported. Type : NotSupportedException Location: System.String CanonicalizePath(System.String, Boolean) Stack Trace: at System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath) at System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath) at System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList) at System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, String[] pathList, Boolean checkForDuplicates, Boolean needFullPath) at System.IO.Path.GetFullPath(String path) at Ninject.Modules.ModuleLoader.NormalizePath(String path) at Ninject.Modules.ModuleLoader.GetFilesMatchingPattern(String pattern) at Ninject.Modules.ModuleLoader.b_0(String pattern) at System.Linq.Enumerable.d_142.MoveNext() at System.Linq.Lookup2.Create[TSource](IEnumerable1 source, Func2 keySelector, Func2 elementSelector, IEqualityComparer1 comparer) at System.Linq.GroupedEnumerable3.GetEnumerator() at Ninject.Modules.ModuleLoader.LoadModules(IEnumerable1 patterns) at Ninject.KernelBase.Load(IEnumerable`1 filePatterns) at Ninject.KernelBase..ctor(IComponentContainer components, INinjectSettings settings, INinjectModule[] modules) at Ninject.KernelBase..ctor(INinjectModule[] modules) at MyApp.Ioc.ResolveType.Initialize() at MyApp.Program.Run()

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• Simple object creation with DIY-DI?

  - by Runcible

  I recently ran across this great article by Chad Perry entitled "DIY-DI" or "Do-It-Yourself Dependency Injection". I'm in a position where I'm not yet ready to use a IoC framework, but I want to head in that direction. It seems like DIY-DI is a good first step. However, after reading the article, I'm still a little confused about object creation. Here's a simple example: Using manual constructor dependency injection (not DIY-DI), this is how one must construct a Hotel object: PowerGrid powerGrid; // only one in the entire application WaterSupply waterSupply; // only one in the entire application Staff staff; Rooms rooms; Hotel hotel(staff, rooms, powerGrid, waterSupply); Creating all of these dependency objects makes it difficult to construct the Hotel object in isolation, which means that writing unit tests for Hotel will be difficult. Does using DIY-DI make it easier? What advantage does DIY-DI provide over manual constructor dependency injection?

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• Ninject with MembershipProvider | RoleProvider

  - by DVark

  I'm using ninject as my IoC and I wrote a role provider as follows: public class BasicRoleProvider : RoleProvider { private IAuthenticationService authenticationService; public BasicRoleProvider(IAuthenticationService authenticationService) { if (authenticationService == null) throw new ArgumentNullException("authenticationService"); this.authenticationService = authenticationService; } /* Other methods here */ } I read that Provider classes get instantiated before ninject gets to inject the instance. How do I go around this? I currently have this ninject code: Bind<RoleProvider>().To<BasicRoleProvider>().InRequestScope(); From this answer here. If you mark your dependencies with [Inject] for your properties in your provider class, you can call kernel.Inject(MemberShip.Provider) - this will assign all dependencies to your properties. I do not understand this.

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• Java HotSpot 1.6 VM, Garbage Collection - Scary PermGen

  - by Gala101

  Hi, My app shows rising 'Old Generation'/'Tenured Generation' size, and when this reaches the max limit for 'Old Gen', then suddenly PermGen size increases. Here are my generation sizings: -Xmx1200m -Xms1200m -Xmn450m -XX:MaxPermSize=600m -XX:+UseParallelGC This is on 32 bit Fedora so can't have a bigger heap than this. The app is not doing any fancy classloading, though it is using Spring IOC and Hibernate, the Spring App-context.xml defines some 1000 Beans. This app starts with 175MB PermGen, which steadily increases to ~250MB in few hrs, stays that way till Tenured Generation reached ~780 MB, then permgen jumps to ~500MB while Old Gen drops to ~500MB. This forces me to restart the App on daily basis, and gives me real scare of looming OutOfMemory Error.. Any insights would be very helpful. Thanks Gala101

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• Ninject: Dynamically loading modules in Silverlight

  - by joblot

  The reason I want to load modules dynamically is to avoid circular dependency issue. I have following layers View -- ViewModel -- DataProvider -- ServiceClient (wcf proxies). Now I want a static IoC container that can be shared across these layers. I want to make my View testable and to do that I’ll have to inject the various dependencies in various layers and mock out those dependencies as well. Now issue I am facing is where to declare and load ninject modules. i also realised in Silverlight version of Ninject there is no version of Load which take string arugment, which can be used to load the modules dynamically Load("*.dll"). How can I achieve dynamic loading in Silverlight Thanks

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• Guice creates Swing components outside of UI thread problem?

  - by Boris Pavlovic

  I'm working on Java Swing application with Google Guice as an IOC container. Things are working pretty well. There are some UI problems. When a standard L&F is replaced with Pushing pixels Substance L&F application is not running due to Guice's Swing components creation outside of UI thread. Is there a way to tell Guice to create Swing components in the UI thread? Maybe I should create custom providers which will return Swing components after SwingUtilities.invokeAndWait(Runnable) creates them. I don't like the idea of running the whole application in UI thread, but maybe it's just a perfect solution.

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• Design - Where should objects be registered when using Windsor

  - by Fredrik Jansson

  I will have the following components in my application DataAccess DataAccess.Test Business Business.Test Application I was hoping to use Castle Windsor as IoC to glue the layers together but I am bit uncertain about the design of the gluing. My question is who should be responsible for registering the objects into Windsor? I have a couple of ideas; Each layer can register its own objects. To test the BL, the test bench could register mock classes for the DAL. Each layer can register the object of its dependencies, e.g. the business layer registers the components of the data access layer. To test the BL, the test bench would have to unload the "real" DAL object and register the mock objects. The application (or test app) registers all objects of the dependencies. Can someone help me with some ideas and pros/cons with the different paths? Links to example projects utilizing Castle Windsor in this way would be very helpful.

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• Start exe even with missing dependency dlls?

  - by k3b

  In Dotnet2.0 and later a program refuses to start if one of its dependent (static referenced) dlls are missing. With Dotnet1.1 and 1.0 the program started but crashed later when trying to use functionality of the missing assembly. I wonder if there is something like a compiler switch , configuration option or a dotnet [attribute] to allow me to start the app when certain dlls are missing. Is it possible without moidfying the sourcecode (execpt by applying some Attriutes)? I don't want to manualy load assemblies by programcode or use IOC-Framworks. Update: With "static referenced dlls" i mean the opposite of dynamicly loading a dll in my own programcode using reflection and Assembly.Loadxxxx(). Update 2010-12-25: This scenario happens for example if you want to use Log4net with Dotnet4 clientprofile together with a WinForms-Aplication: Log4net requires System.Web.dll that is not in Dotnet4-Clientprofile. You must install dotnet4-web-support to use the winforms-aplication that is compiled against log4net unless there is some magic Compiler-switch/Attribute/Configuration that i am still looking for.

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• Spring.NET. How actively is it being developed/supported?

  - by Bubba88

  I've made my choice for the developement components on the .NET platform: Spring.NET for IoC and NHibernate for data access. But how safe is it? I've heard here on SO (don't remember which post exactly) that Spring.NET is on its way down, cause for example the Java original version is developed by a large number of people; but (they say that) the sole person behind the .NET version is Mr. Mark Pollack. Is that so? And, if so, does it still make sense to count on Spring.NET for my production applications? if you have similar information about NHibernate, I'll appreciate it; though it seems that the latter is actively supported.

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• PHP Programmer wanting to learn Spring

  - by grokker

  I'm a PHP programmer and I want to try creating a webapp using the Spring framework. The problem is I'm clueless and I don't know where to start. What tutorials/books/websites do you guys suggest that I should learn from? What's IoC? Do I use it alongside MVC? What components of the Spring framework should I use? How do I know what to use? Are there webapps created with Spring that I could study from? Thank you so much in advance! P.S. I've used Struts (1) about a year ago.

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• Nibernate, DynamicProxy, and Spring AOP

  - by jeff

  We have an Spring IOC managed application that uses NHibernate in its persistence layer. We have use the Spring AOP and understand its terminology and capabilities. We have some investment in Spring proxies. Now, we want to add a PropertyChangedMixin and a ValidatorInterceptor (not nhibernate validator, but based on Spring validation) onto our NHibernate managed objects. I've looked at the hooks for NHiberate IInterceptor and EventListeners and that gives me a place to apply the desired proxies. If I use the Spring proxies is it going to play nice with the existing nhibernate proxies. We don't lazy load. From the simple nhibernate stuff the benefits of DynamicProxy look appealing. I can go either way, but I'd like to hear suggestions. Thanks, jeff

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• Spring.net - how to choose implementation of interface in runtime ?

  - by rouen

  Hi, in all examples of spring.net IoC i can see something like this: interface IClass; class ClassA : IClass; class ClassB : IClass, and then in config.xml file something like [object id="IClass" type="ClassB, Spring.Net.Test" /] but, i really need to do something like this: in config file there will be more implementations if interface: [object id="IClass" type="ClassA, Blah" /] [object id="IClass" type="ClassB, Blah" /] and then, in runtime i choose from them, something like this: IClass c = [get me all implementations of IClass, and choose the one with GetType().FullName == myVariableContainingFullTypeNameOfObjectIWant] how can i do something like this please, i cant google anything for hours.... many thanks !

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• Spring Actionscript: FlexPropertyPlaceholderConfigurer could not be found

  - by orangestar

  Hi, there! I use springactionscript 1.0RC1 and found an error as following: Error: A class with the name 'org.springextensions.actionscript.ioc.factory.con fig.flex.FlexPropertyPlaceholderConfigurer' could not be found. Are you sure the specified class has been compiled? Look for more information on this topic here: http://www.springactionscript.org/do...inclusion.html and my applicationContext.xml is <objects> <property file="config.properties" required="false" /> <object id="constants" class="com.libsys.utils.Constants"> <property name="endpoint" value="${endpoint}" /> </object> </objects> If the xml file has no properties file, it works fine. I don't know how this happens, could you tell me how to solve it? Thank you! BTW, my compiler version is 4.1.0.14632 and springactionscrip is 1.0RC1.

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• Interface naming in Java

  - by Allain Lalonde

  Most OO languages prefix their interface names with a capital I, why does Java not do this? What was the rationale for not following this convention? To demonstrate what I mean, if I wanted to have a User interface and a User implementation I'd have two choices in Java: Class = User, Interface = UserInterface Class = UserImpl, Interface = User Where in most languages: Class = User, Interface = IUser Now, you might argue that you could always pick a most descriptive name for the user implementation and the problem goes away, but Java's pushing a POJO approach to things and most IOC containers use DynamicProxies extensively. These two things together mean that you'll have lots of interfaces with a single POJO implementation. So, I guess my question boils down to: "Is it worth following the broader Interface naming convention especially in light of where Java Frameworks seem to be heading?"

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• CMIS explorer webapp

  - by Nicolas Raoul

  CMIS is a recently approved standard for accessing ECM repositories. My idea is to create a repository explorer using CMIS, under the form of an open source Java/JEE Web Application. The main interest would probably be for integrators, using it as a framework on which to quickly build repository access intranet/extranet applications. Of course, if such an open source project already exists, I would rather contribute to it rather than start a competing effort. So, does such an application/framework already exist? As open source? The only one I have found so far is chemistry-opencmis-test-browser, which is intended for tests and seems really inconvenient to extend for business use (no MVC, no IoC).

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• Visual Studio: What approach do you use to 'template' plumbing for similiar projects?

  - by Sosh

  When building ASP.NET projects there is a certain amount of boilerplate, or plumbing that needs to be done, which is often identical across projects. This is especially the case with MVC and ALT.NET approaches. [I'm thinking of things such as: IoC, ORM, Solution structure (projects), Session Management, User Management, I18n etc.] I would like to know what approach you find best for 'reusing' this plumbing accross projects? Have a 'master solution' which you duplicate and rename somehow? (I'm using a this to a degree at the moment, but it's fairly messy. Would be interested how people do this 'better') Mainly rely on Shared Library projects? (I find this appropriate for some things, but too restrictive for things that have to be customised) Code generation tools, such as T4? (Similar to the approach used by SharpArchitecture - have not tried this myself) Something else? Thanks for sharing your experiences!

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