Questions tagged [lifetime-scoping]
97 questions
1
vote
2 answers
Rust lifetimes for struct references
I've just started with Rust but can't quite grasp lifetimes so I could resolve following issue by myself:
This test project is about simulating a bit to allow tracing it through various bitwise operations, e.g. let newbit = oldbit1 ^ oldbit2 and…
grasbueschel
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1
vote
0 answers
autofac singleton initialization
I have a interface and class like this:
public sealed class UserService : IUserService
{
private readonly ILifetimeScope container;
public UserService()
{
this.container = this.ConfigureBuilder(new ContainerBuilder()).Build();
…
user1258028
- 27
- 4
1
vote
2 answers
What is the advantage of using the same lifetime for multiple arguments?
fn xory<'a>(x: &'a str, y: &'a str) -> &'a str { x }
What is the advantage of the above code over using two lifetimes? Are there any situations in which the above code will work, but 2 lifetimes won't?
Snark
- 1,664
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1
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2 answers
Lifetime errors with a simple resource Allocator struct
I'm trying to make a simple allocator that allocates and deallocates buffers from a fixed pool of buffers.
struct AllocatedMemory<'a> {
mem: &'a mut [u8],
next: Option<&'a mut AllocatedMemory<'a>>,
}
struct Alloc<'a> {
glob: Option<&'a…
hellcatv
- 573
- 4
- 21
1
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1 answer
Does Destruction of Arguments Occur Prior to Return?
OK I have this sequence of events:
I construct an r-value object
I pass an iterator to that r-value object into a function as a parameter
The function operates on this iterator
The function returns this iterator by value
I dereference the…
Jonathan Mee
- 37,899
- 23
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- 288
1
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1 answer
How can I increase ownership count of std::shared pointer
I have a struct that has a pointer as member:
struct MyStruct {
char *ptr;
}
I want to initialize the ptr in a scope and then be able to use it outside of that scope:
{ // scope 0
{ //scope 1
{ // scope 2
mystruct.ptr =…
Mert Mertce
- 1,614
- 3
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1
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1 answer
Passing data to dependencies registered with Execution Context Scope lifetime in Simple Injector
Is there a way to pass data to dependencies registered with either Execution Context Scope or Lifetime Scope in Simple Injector?
One of my dependencies requires a piece of data in order to be constructed in the dependency chain. During HTTP and WCF…
danludwig
- 46,965
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1
vote
1 answer
ServiceStack self-hosted application with per-request lifetime scope
Working with ServiceStack I've stuck with the problem of objects lifetime management in self-hosted web application.
My requirements:
Need of per-request objects lifetime scope.
I'm using Castle Windsor IoC with implemented ServiceStack IoC…
Valentin P.
- 1,131
- 9
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1
vote
1 answer
can Autofac do different instance scoping per interface?
Suppose I have this line in my bootstrap code:
builder.RegisterType().As().As().ExternallyOwned();
I want it such that whenever I use container.Resolve() I get a new instance of MyType. However, if I use…
Brannon
- 5,324
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1
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1 answer
Sporadic LifetimeScope issues
Crosspost: https://orchard.codeplex.com/discussions/471475
Sometimes, I get this error:
"Instances cannot be resolved and nested lifetimes cannot be created from this LifetimeScope as it has already been disposed." when querying some Content…
AnimaSola
- 7,146
- 14
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- 62
1
vote
1 answer
Autofac LifetimeScope with BeginLifetimeScope not working
I am trying to evaluate the scoping of Autofac and as I understand it, when an instance has been declared as InstancePerLifetimeScope, then within the using(container.BeginLifetimeScope()) block, we should get the same instance. But in another such…
vikramka
- 27
- 7
1
vote
1 answer
Autofac lifetime scope issue with asp.net webforms
I'm having an issue with the lifetime scope of autofac lasting across a request in an asp.net webforms site.
I'm register a factory in auto fac…
wdhough
- 155
- 3
- 12
1
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1 answer
Wcf with SimpleInjector throws "WCF scopes can not be nested"
The service layer is seperated into command and query side and each side has their handlers.
The following configuration is used
// EF context
_container.RegisterPerWcfOperation
Khh
- 2,521
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1
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3 answers
Autofac Conundrum
I use Autofac as my IoC container of choice. The rest of this question refers to SignalR in conjunction with SignalR, but no real SignalR knowledge is needed to answer; this is a problem rooted in Autofac.
As part of using Autofac as the dependency…
David Pfeffer
- 38,869
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1
vote
1 answer
Simple Injector async life time scoping and security exception
I have a AsyncCommandHandlerDecorator and LifetimeScopedCommandHandlerDecorator as shown below:
public class AsyncCommandHandlerDecorator
: ICommandHandler where TCommand : ICommand {
private…
amiry jd
- 27,021
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- 215