protected override Expression GetExpressionInternal(IContainerContext containerContext, IServiceRegistration serviceRegistration, ResolutionContext resolutionContext, Type resolveType)
{
if (!containerContext.ContainerConfigurator.ContainerConfiguration.CircularDependencyTrackingEnabled)
{
return(this.PrepareExpression(containerContext, serviceRegistration, resolutionContext, resolveType));
}
if (resolutionContext.GetCircularDependencyBarrier(serviceRegistration.RegistrationNumber))
{
throw new CircularDependencyException(resolveType);
}
resolutionContext.SetCircularDependencyBarrier(serviceRegistration.RegistrationNumber, true);
var result = this.PrepareExpression(containerContext, serviceRegistration, resolutionContext, resolveType);
resolutionContext.SetCircularDependencyBarrier(serviceRegistration.RegistrationNumber, false);
return(result);
}
