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  • linq2sql - where to enlist transaction (repository or bll)?

    - by Caroline Showden
    My app uses a business layer which calls a repository which uses linq to sql. I have an Item class that has an enum type property and an ItemDetail property. I need to implement a delete method that: (1) always delete the Item (2) if the item.type is XYZ and the ItemDetail is not null, delete the ItemDetail as well. My question is where should this logic be housed? If I have it in my business logic which I would prefer, this involves two separate repository calls, each of which uses a separate datacontext. I would have to wrap both calls is a System.Transaction which (in sql 2005) get promoted to a distributed transaction which is not ideal. I can move it all to a single repository call and the transaction will be handled implicitly by the datacontext but feel that this is really business logic so does not belong in the repository. Thoughts? Carrie

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  • Extract part of a git repository?

    - by Riobard
    Assume my git repository has the following structure: /.git /Project /Project/SubProject-0 /Project/SubProject-1 /Project/SubProject-2 and the repository has quite some commits. Now one of the subprojects (SubProject-0) grows pretty big, and I want to take SubProject-0 out and set it up as a standalone project. Is it possible to extract all the commit history involving SubProject-0 from the parent git repository and move it to a new one?

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  • nhibernate fluent repository pattern insert problem

    - by voam
    I am trying to use Fluent NHibernate and the repository pattern. I would like my business layer to not be knowledgeable of the data persistence layer. Ideally I would pass in an initialized domain object to the insert method of the repository and all would be well. Where I run into problems is if the object being passed in has a child object. For example say I want to insert an a new order for a customer, and the customer is a property of the order object. I would like to do something like this: Customer c = new Customer; c.CustomerId = 1; Order o = new Order; o.Customer = c; repository.InsertOrder(o); The problem is that using NHiberate the CustomerId field is only privately settable so I can not set it directly like this. so what I have ended up doing is have my repository have an interface of Order InsertOrder(int customerId) where all the foreign keys get passed in as parameters. Somehow this just doesn't seem right. The other approach was to use the NHibernate session variable to load a customer object in my business model and then have the order passed in to the repository but this defeats my persistence ignorance ideal. Should I throw this persistence ignorance out the window or am I missing something here? Thanks

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  • Portable and Secure Document Repository

    - by Sivakanesh
    I'm trying to find a document manager/repository (WinXP) that can be used from a USB disk. I would like a tool that will allow you to add all documents into a single repository (or a secure file system). Ideally you would login to this portable application to add or retrieve a document and document shouldn't be accessible outside of the application. I have found an application called Benubird Pro (app is portable) that allows you to add files to a single repository, but downsides are that it is not secure and the repository is always stored on the PC and not on the USB disk. Are you able to recommend any other applications? Thanks

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  • Model-binding an object from the repository by several keys

    - by Anton
    Suppose the following route: {region}/{storehouse}/{controller}/{action} These two parameters region and storehouse altogether identify a single entity - a Storehouse. Thus, a bunch of controllers are being called in the context of some storehouse. And I'd like to write actions like this: public ActionResult SomeAction(Storehouse storehouse, ...) Here I can read your thoughts: "Write custom model binder, man". I do. However, the question is How to avoid magic strings within custom model binder? Here is my current code: public class StorehouseModelBinder : IModelBinder { readonly IStorehouseRepository repository; public StorehouseModelBinder(IStorehouseRepository repository) { this.repository = repository; } public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) { var region = bindingContext.ValueProvider.GetValue("region").AttemptedValue; var storehouse = bindingContext.ValueProvider.GetValue("storehouse").AttemptedValue; return repository.GetByKey(region, storehouse); } } If there was a single key, bindingContext.ModelName could be used... Probably, there is another way to supply all the actions with a Storehouse object, i.e. declaring it as a property of the controller and populating it in the Controller.Initialize.

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  • Retrieve a lost subversion repository

    - by Sujith
    I have a Rails application working on Passenger deployed using Capistrano from a subversion repository. The subversion repository is lost. We just have a folder named "cached-copy" which I believe has been made by svn. Is it possible to recreate a subversion repository from this "cached-copy"?

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  • How to convert a Bazaar repository to GIT repository?

    - by Naruto Uzumaki
    We have a large bazaar repository and we want to convert it to a git repository. The bazaar repository contains the folders of each of the interns. Any documentation/code prepared by interns is committed in their directory so there are a huge number of commits. What steps should be performed to securely convert the bazaar repository to a git repository so that we do not lose any commit information. We firstly need to create a backup of the existing bazaar repository and then convert it. Edit: I followed this link: http://librelist.com/browser//cville/2010/2/9/migrate-repository-bzr-to-git/ It's working fine on my system with Ubuntu. But when I try to run it on the actual server it gives me EOF error and crashes Starting export of 1036 revisions ... fatal: EOF in data (1825 bytes remaining) fast-import: dumping crash report to .git/fast_import_crash_11804 Edit 2: I also tried it on a new CentOS system and received the following error fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree. Use '--' to separate paths from revisions

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  • Entity Framework 5, separating business logic from model - Repository?

    - by bnice7
    I am working on my first public-facing web application and I’m using MVC 4 for the presentation layer and EF 5 for the DAL. The database structure is locked, and there are moderate differences between how the user inputs data and how the database itself gets populated. I have done a ton of reading on the repository pattern (which I have never used) but most of my research is pushing me away from using it since it supposedly creates an unnecessary level of abstraction for the latest versions of EF since repositories and unit-of-work are already built-in. My initial approach is to simply create a separate set of classes for my business objects in the BLL that can act as an intermediary between my Controllers and the DAL. Here’s an example class: public class MyBuilding { public int Id { get; private set; } public string Name { get; set; } public string Notes { get; set; } private readonly Entities _context = new Entities(); // Is this thread safe? private static readonly int UserId = WebSecurity.GetCurrentUser().UserId; public IEnumerable<MyBuilding> GetList() { IEnumerable<MyBuilding> buildingList = from p in _context.BuildingInfo where p.Building.UserProfile.UserId == UserId select new MyBuilding {Id = p.BuildingId, Name = p.BuildingName, Notes = p.Building.Notes}; return buildingList; } public void Create() { var b = new Building {UserId = UserId, Notes = this.Notes}; _context.Building.Add(b); _context.SaveChanges(); // Set the building ID this.Id = b.BuildingId; // Seed 1-to-1 tables with reference the new building _context.BuildingInfo.Add(new BuildingInfo {Building = b}); _context.GeneralInfo.Add(new GeneralInfo {Building = b}); _context.LocationInfo.Add(new LocationInfo {Building = b}); _context.SaveChanges(); } public static MyBuilding Find(int id) { using (var context = new Entities()) // Is this OK to do in a static method? { var b = context.Building.FirstOrDefault(p => p.BuildingId == id && p.UserId == UserId); if (b == null) throw new Exception("Error: Building not found or user does not have access."); return new MyBuilding {Id = b.BuildingId, Name = b.BuildingInfo.BuildingName, Notes = b.Notes}; } } } My primary concern: Is the way I am instantiating my DbContext as a private property thread-safe, and is it safe to have a static method that instantiates a separate DbContext? Or am I approaching this all wrong? I am not opposed to learning up on the repository pattern if I am taking the total wrong approach here.

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  • Query Object Pattern (Design Pattern)

    - by The Elite Gentleman
    Hi Guys, I need to implement a Query Object Pattern in Java for my customizable search interface (of a webapp I'm writing). Does anybody know where I can get an example/tutorial of Query Object Pattern (Martin Fowler's QoP)? Thanks in Advance ADDITION How to add a Query Pattern to an existing DAO pattern?

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  • Repository Spec file

    - by ahmadfrompk
    I have source of webfiles. I need to make a RPM for it. I have placed my source in SOURCES folder and use following spec file. But it is creating noarch rpm with 2MB size, but my source is greater than 2MB size. Its also did not attach files with this. I think i have a problem in spec file. Summary: my_project rpm script package Name: my_project Version: 1 Release: 1 Source0: my_project-1.tar.gz License: GPL Group: MyJunk BuildArch: noarch BuildRoot: %{_tmppath}/%{name}-buildroot %description Make some relevant package description here %prep %setup -q %build %install install -m 0755 -d $RPM_BUILD_ROOT/opt/my_project %clean rm -rf $RPM_BUILD_ROOT %post echo " " echo "This will display after rpm installs the package!" %files %dir /opt/my_project

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  • Java RegEx Pattern not matching (works in .NET)

    - by CDSO1
    Below is an example that is producing an exception in Java (and not matching the input). Perhaps I misunderstood the JavaDoc, but it looks like it should work. Using the same pattern and input in C# will produce a match. import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(String[] args) { String pattern = "aspx\\?uid=([^']*)"; Pattern p = Pattern.compile(pattern); Matcher m = p.matcher("id='page.aspx?uid=123'"); System.out.println(m.groupCount() > 0 ? m.group(1) : "No Matches"); } }

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  • MVC repository pattern design decision

    - by bradjive
    I have an asp .net MVC application and recently started implementing the repository pattern with a service validation layer, much like this. I've been creating one repository/service for each model that I create. Is this overkill? Instead, should I create one repository/service for each logical business area that provides CRUD for many different models? To me, it seems like I'm either cluttering the project tree with many files or cluttering a class with many methods. 6 one way half dozen the other. Can you think of any good arguments either way?

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  • Repository pattern - Switch out the database and switch in XML files

    - by glasto red
    Repository pattern - Switch out the database and switch in XML files. Hello I have an asp.net MVC 2.0 project and I have followed the Repository pattern. Periodically, I am losing access to the database server so I want to have another mechanism in place (XML files) to continue developing. It is not possible to have a local version of the db unfortunately! I thought this would be relatively easy using the Repository pattern, to switch out the db repositories and switch in XML versions. However, I am having real trouble coming up with a solution. I have tried LinqToXML but then ran into problems trying to return a List of News items as the LinqToXML ToList returns Generic.List Should I be mapping the XElement list over to the News list by hand? It just seems a bit clunky compared to LinqToSQL attributes on the News class and then simply doing a Table.....ToList(); Any direction would be appreciated. Thanks

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  • Unit Testing & Fake Repository implementation with cascading CRUD operations

    - by Erik Ashepa
    Hi, i'm having trouble writing integration tests which use a fake repository, For example : Suppose I have a classroom entity, which aggregates students... var classroom = new Classroom(); classroom.Students.Add(new Student("Adam")); _fakeRepository.Save(classroom); _fakeRepostiory.GetAll<Student>().Where((student) => student.Name == "Adam")); // This query will return null... When using my real implementation for repository (NHibernate based), the above code works (because the save operation would cascade to the student added at the previous line), Do you know of any fake repository implementation which support this behaviour? Ideas on how to implement one myself? Or do you have any other suggestions which could help me avoid this issue? Thanks in advance, Erik.

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  • create own svn repository hosting

    - by netmajor
    Hey, Since week I use ToirtoiseSVN and AnkhSVN and GoogleCode and sourceforge.net as my project hosting. For me it's frustrating to fill all this forms before create next project. So I start thinking about mu own repository hosting... Can I use simple file hosting etc. and install there software like use Google or SourceForge to have my own SVN Server ? My point is to have independent repository in internet without all this uselessly UI interface which give me Google and SF to administrate my version control. I don't want to take advantage of already exist hosting like GoogleCode etc - I want to be independent from them! ;) Or maybe it's other way to do my own repository hosting and FREE ;) Please don't tell me that I'm at mercy of commercial hosting... :/ p.s. If I wrote something wrong, sorry ;)

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  • LLBLGen and the repository pattern

    - by user137348
    I was wondering if building a repository on the top LLBLGen (adapter) is a good idea. I don't want to overengineer and reinvent the wheel again. The DataAccessAdapter class could be some kind of a generic repository.It has all the CRUD methods you need. But on the other side for a larger project it could be good to have a layer between your ORM and service layer. I'd like to hear your opinions, if your using the repository pattern with LLBLGen,if yes why if no why not. If you have some implementation, post it please.

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  • How to add second project to the repository?

    - by Banani
    Hi! I have setup subversion 1.6.5 on Fedora. I have decided to use a single repository for multiple projects. I have added one project, projA, to the repository. I will have more projects to add to the repository in future. If I try to add next project with the command 'svn import . file:///path/to/repos' gives svn: File already exists: filesystem '/usr/local/svn-repos/proj-test/db', transa ction '1-1', path '/trunk'. The new projB is being added to the trunk directory of projA. I have read the section "Adding Projects" in http://svnbook.red-bean.com/en/1.1/ch05s04.html In that book, projects are added at once. But,I would like to add them one by one as new projects become ready to go. What is the proper command and/or how that can be done? Thanks. Banani

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  • Setting up Ruhoh. ERROR: repository not found

    - by user1637613
    Instructions from ruhoh.com state to setup a repository USERNAME.ruhoh.com, which has been done. https://github.com/NredYssuts/nredyssuts.ruhoh.com also asks to add a web hook, which has also been done. Then it gives the following instructions to execute: $ git clone git://github.com/ruhoh/blog.git USERNAME.ruhoh.com $ cd USERNAME.ruhoh.com $ git remote set-url origin [email protected]:USERNAME/USERNAME.ruhoh.com.git $ git push origin master I am able to execute the first three lines and then on the fourth I am asked to enter my passphrase for /home/nredyssuts/.ssh/id_rsa I do that correctly and then bam! ERROR: Repository not found. fatal: the remote end hung up unexpectedly I'm not sure why this is happening at all. This is a public repository.

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  • Why are downloads from Canonical Partners repository so slow?

    - by Sabacon
    If I need Sun Java, Adobe Flash Plugin or anything else that comes from Canonical Partners the package downloads are painfully slow even small sized packages like the Flash plugin, to speed things up I have to go here: http://archive.canonical.com/ubuntu/pool/partner/ to find what I want, download the packages with a download manager (which is usually about 20 times faster than the package manager) and then place them in my /var/cache/apt/archives folder I run the package manager afterwards, as long as the right versions of the packages I ask to install are detected in the /var/cache/apt/archives folder they will be installed immediately. I would like to stop doing this, so I am wondering if anyone else has this problem, what could be the cause and if there is a fix. I am located in the Western Caribbean region. I think it would be helpful to note that all other packages coming from the repository I have selected with synaptic download at acceptable speeds.

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  • Understanding Domain Driven Design

    - by Nihilist
    Hi I have been trying to understand DDD for few weeks now. Its very confusing. I dont understand how I organise my projects. I have lot of questions on UnitOfWork, Repository, Associations and the list goes on... Lets take a simple example. Album and Tracks. Album: AlbumId, Name, ListOf Tracks Tracks: TrackId, Name Question1: Should i expose Tracks as a IList/IEnumerabe property on Album ? If that how do i add an album ? OR should i expose a ReadOnlyCollection of Tracks and expose a AddTrack method? Question2: How do i load Tracks for Album [assuming lazy loading]? should the getter check for null and then use a repository to load the tracks if need be? Question3: How do we organise the assemblies. Like what does each assembly have? Model.dll - does it only have the domain entities? Where do the repositories go? Interfaces and implementations both. Can i define IAlbumRepository in Model.dll? Infrastructure.dll : what shold this have? Question4: Where is unit of work defined? How do repository and unit of work communicate? [ or should they ] for example. if i need to add multiple tracks to album, again should this be defined as AddTrack on Album OR should there a method in the repository? Regardless of where the method is, how do I implement unit of work here? Question5: Should the UI use Infrastructure..dll or should there be ServiceLayer? Do my quesitons make sense? Regards

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  • Git-svn refuses to create branch on svn repository error: "not in the same repository"

    - by Danny
    I am attempting to create a svn branch using git-svn. The repository was created with --stdlayout. Unfortunately it generates an error stating the "Source and dest appear not to be in the same repository". The error appears to be the result of it not including the username in the source url. $ git svn branch foo-as-bar -m "Attempt to make Foo into Bar." Copying svn+ssh://my.foo.company/r/sandbox/foo/trunk at r1173 to svn+ssh://[email protected]/r/sandbox/foo/branches/foo-as-bar... Trying to use an unsupported feature: Source and dest appear not to be in the same repository (src: 'svn+ssh://my.foo.company/r/sandbox/foo/trunk'; dst: 'svn+ssh://[email protected]/r/sandbox/foo/branches/foo-as-bar') at /home/me/.install/git/libexec/git-core/git-svn line 610 I intially thought this was simply a configuration issue, examination of .git/config doesn't suggest anything incorrect. [svn-remote "svn"] url = svn+ssh://[email protected]/r fetch = sandbox/foo/trunk:refs/remotes/trunk branches = sandbox/foo/branches/*:refs/remotes/* tags = sandbox/foo/tags/*:refs/remotes/tags/* I am using git version 1.6.3.3. Can anyone shed any light on why this might be occuring, and how best to address it?

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  • EF Query Object Pattern over Repository Example

    - by Dale Burrell
    I have built a repository which only exposes IEnumerable based mostly on the examples in "Professional ASP.NET Design Patterns" by Scott Millett. However because he mostly uses NHibernate his example of how to implement the Query Object Pattern, or rather how to best translate the query into something useful in EF, is a bit lacking. I am looking for a good example of an implementation of the Query Object Pattern using EF4.

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  • How to make a Generic Repository?

    - by chobo2
    Hi I am wondering if anyone has any good tutorials(or maybe even a library that is already made and well documented) on making a generic repository. I am using currently linq to sql but it might change so I don't know if you can make a generic repository that would take little to no changes if I would say switch to entity framework. Thanks

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