Hi,
Firstly, thank you so much for reply
My project's Nhibernate configuration is as follows. Is there anything
wrong here, is there a point I'm missing?
public static IServiceCollection AddSniffactorNhibernate(this
IServiceCollection services, string connectionString)
{
Check.NotNull(connectionString);
ISessionFactory _sessionFactory =
BuildSessionFactory(connectionString);
services.AddSingleton(_sessionFactory);
services.AddScoped<ISession>(factory =>
factory.GetServices<ISessionFactory>().First().OpenSession());
services.AddScoped(typeof(IRepository<>),
typeof(NhRepositoryBase<>));
services.AddSingleton(typeof(IUnitOfWork),
typeof(NhUnitOfWork));
ConsoleHelper.WriteWarningCommandLine(">>> NHibernate
Configurasyonu tamamlandı.");
return services;
}
private static ISessionFactory BuildSessionFactory(string
connectionString)
{
FluentConfiguration configuration = Fluently.Configure()
.Database(OracleManagedDataClientConfiguration.Oracle9.ConnectionString(connectionString))
.Mappings(m => m.FluentMappings
.AddFromAssemblyOf<ISniffactorMapping>()
.Conventions.Add(
ConventionBuilder.Property.When(criteria =>
criteria.Expect(x => x.Nullable, Is.Not.Set), x => x.Not.Nullable()))
.Conventions.Add<OtherConversions>()
);
return configuration.BuildSessionFactory();
}
private class OtherConversions : IHasManyConvention, IReferenceConvention
{
public void Apply(IOneToManyCollectionInstance instance)
{
instance.LazyLoad();
instance.AsBag();
instance.Cascade.SaveUpdate();
instance.Inverse();
}
public void Apply(IManyToOneInstance instance)
{
instance.LazyLoad(Laziness.Proxy);
instance.Cascade.None();
instance.Not.Nullable();
}
}
30 Ekim 2020 Cuma tarihinde saat 22:57:18 UTC+3 itibarıyla Quicoli şunları
yazdı:
> Hi
>
> Open and close a session inside your for each loop and you will be fine
>
> On Fri, Oct 30, 2020, 17:46 Hakan karaoğlu <hknn.k...@gmail.com> wrote:
>
>> Hi,
>>
>> I'm using rabbitmq and nhibernate in a .net core project. I run
>> asynchronous queries for database operations on some consumers. For
>> example, I am sending a single message to the queue, the message is
>> processed successfully, but when I send 100 messages, database operations
>> start getting errors after a while.
>>
>> I tested the similar structure as follows. I did database transactions
>> 100 times in a loop and it didn't give an error. But when I tried it in
>> parallel loop, it gave an error like in rabbitmq.
>>
>> Is this from Nhibernate or is there a different logic? Nhibernate not
>> thread-safe?
>>
>> Sample Code with Error :
>>
>> Parallel.For(0, 100, async act =>
>> {
>> var ws = await
>> _workspaceRepository.GetWorkspaceByIdAsync(66);
>> System.Console.WriteLine($"GetWorkspaceByIdAsync :
>> {ws.Name}");
>> var keywords = await
>> _workspaceKeywordRepository.GetForbiddenKeywordsByWorkspaceAsync(66);
>>
>> System.Console.WriteLine($"GetForbiddenKeywordsByWorkspaceAsync :
>> {keywords.Count}");
>> var IsforbiddenKeyword = await
>> HasForbiddenKeywordAsync(66, "facebook", "instagram");
>> System.Console.WriteLine($"HasForbiddenKeywordAsync :
>> {IsforbiddenKeyword}");
>> });
>>
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>>
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