How to implement nhibernate session per request pattern, using Service stack's funq container as a dependency injector

Question

I am getting the session by injecting session to service method in global.asax as

1

protected void Application_Start()
{    
  this.RegisterContainer(); 
}

2

private void RegisterContainer()
{
    container.Register<IActivityService>(c => new  ActivityService(SessionFactory.GetCurrentSession()));
}

3 In service method i am getting the session as

using (var transaction = _session.BeginTransaction())
{
    ........................        
}

the problem is when concurrent requests came to this service method, it is throwing exceptions.I came to know that Nhibernate is not supporting concurency.Ho to achieve it using Funq Container?

Community · Accepted Answer · 2017-05-23 12:32:40Z

1

By default ServiceStack's IOC registers dependencies as a singleton by default whereas you should register a transient dependency for this instead with:

container.Register<IActivityService>(c => 
    new ActivityService(SessionFactory.GetCurrentSession()))
.ReusedWithin(ReuseScope.None);

Also this previous question shows other registration examples using NHibernate with ServiceStack.

edited May 23, 2017 at 12:32

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answered Jul 11, 2016 at 18:46

mythz

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2 Comments

Raghu Over a year ago

Even though I set ReuseScope.None, it is still not supporting parallel transactions.

mythz Over a year ago

Don't know anything about NHibernate parallel transactions, maybe you need a new session instead of reusing the existing one?

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