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License: Apache License 2.0
Attribute-based dependency injection for .NET.
License: Apache License 2.0
[RegisterService]
public class Config
{
[InjectConfiguration("test:not_exist")]
public string Test { get; set; } = "default";
}
When Test
field is not set in appsettings.json
file, this value should be the default value instead of null ,
public Func<IServiceProvider, object> GetFactory(Type type)
{
if (type.ContainsGenericParameters)
throw new ArgumentException($"The service type '{type.FullName}' must not be generic.");
ConstructorInfo constructorInfo = GetConstructor(type);
ParameterInfo[] parameters = constructorInfo.GetParameters();
IDependencyResolver?[] dependencyResolvers = GetParametersDependencyResolvers(parameters);
DelegateCompiler.Constructor constructor = DelegateCompiler.CreateConstructor(constructorInfo);
List<SetterInfo> setters = GetSetters(type);
return delegate (IServiceProvider serviceProvider)
{
object?[] arguments = new object[parameters.Length];
for (int i = 0; i < parameters.Length; i++)
arguments[i] = Resolve(serviceProvider, parameters[i].ParameterType, dependencyResolvers[i]);
object result = constructor(arguments);
foreach (SetterInfo setter in setters)
{
// need check null here
object? resolvedDependency = Resolve(serviceProvider, setter.ServiceType, setter.DependencyResolver);
setter.Setter(result, resolvedDependency);
}
return result;
};
}
this is a great library that I am planning to integrate it into my project,but currently I have some questions
i see this in readme:
When applying the [RegisterFactory] attribute to a static method, the static method will be registered as a factory used
what does it mean? What is the useage of this attribute?
some sample code or a more detailed explanation would be greatly appreciated
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