Questions tagged [reflection]
Reflection is the ability of a program to observe and/or modify its structure and/or behavior at runtime. Reflection is dependent on the supporting programming language - please tag the programming language being used when using this tag.
reflection
25,107
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Default constructible class expected, but only parametrised constructor is meaningful
I have this hard requirement that one of my classes, ClassX is instantiated in a reflective manner by a third party module Modul3P, calling ClassX's default constructor. Then, Modul3P calls one of the ...
- 141
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62
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How to get all ILogger<whatever> types?
As I google, I am running across answers on how to get all derived types of a generic class. But what I really want is just all the variations of a generic class.
The problem is that we are logging ...
- 3,597
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33
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How can I get the class of a companion object as a constant?
I'm working with a Scala 2 project. I have the following code:
package com.myproject.commands;
object MyCommand {
def execute(args: Map[String, String]) = {
//do some validations...
...
- 85.6k
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1
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54
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Scala 3 reflection: collect all members that are singleton objects
I have a method in Scala 2 that uses reflection. It doesn't work in Scala 3, and I would like to reimplement it so it works for Scala 3. (I will no longer need it for Scala 2 anymore, so it need not ...
- 6,113
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check if given object implements certain generic interface; type argument(s) NOT known [duplicate]
I have some object. I want to check at runtime if it is an IReadOnlyCollection<T> of any T, i.e. I cannot specify that T in my check. So it should return true for e.g. IReadOnlyCollection<...
- 2,794
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41
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Rust cdylib websocket fatal runtime error: global allocator may not use TLS
I'm writing rust dll, cdylib which supposed to start new thread and connect to websocket using tokio::tungstenite
i load dll reflectivly into rust program using https://github.com/indygreg/rs-memory-...
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19
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Getting "Bad IL format" when loading exe file
I'm trying to explore .NET 8.0 exe file. When I try to load it with Assembly.LoadFrom or Assembly.LoadFile I'm getting Bad IL format. The format of the file '<file_path>.exe' is invalid. But if ...
- 18.9k
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Is it possible to use Reflection along with @Autowired annotation to access to fields of a private class?
I am writing tests for a project and I want to access to private field of a class that otherwise should not be accessed. The reason behind this is that I don't want to fill the database with ...
- 35
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1
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30
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Get all properties with a custom attribute for external assembly
Topics I've read:
How to get a list of properties with a given attribute?
Reflection - get attribute name and value on property
I created an external assembly(Class Library) and I defined a class and ...
- 13.3k
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39
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C# reflection: Get static method with multiple generic overloads [duplicate]
How we can get a method such as Tuple.Create that has multiple generic overloads through reflection and use it with our custom generic type arguments?
usecase: the generic type arguments are known ...
- 310
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58
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The parameterized type of argument was missing in bridge method [duplicate]
class A {
public void doit(List<String> args) {
}
public static class C extends A {
}
public static void main(String[] args) throws Exception {
Method m = C.class....
- 3,460
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1
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51
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How get attributes of function into this function?
When i get the attributes of my function. If i getName(), i've a path as name Base\Service\Client\filters .. How i can only get filters as name ?
#[filters(['email', 'emailVerified', 'enabled', '...
- 1
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33
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How to test a custom decorator with a validation pipe in Nest.js?
I've found this GitHub issue comment that has an interesting workaround for accessing a custom decorator through reflection, but the problem is that I'm trying to use it to test my use case which ...
- 1,937
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45
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Alternative For Type.IsSerializable
We used in an application
if (!value!.GetType().IsSerializable)
return;
In the meantime the IsSerializable property is obsolete (Formatter-based serialization is obsolete and should not be used.)....
- 1,493
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143
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Modelmapper - Automatic mapping (STRICT Strategy)
[INFO] I've created a sandbox repository to simplify your experience, so you can clone and test it fast.
https://github.com/ImKumin/AutomaticMapping
How can I automatically map models like the ones ...
- 140