Last active
August 29, 2015 14:04
-
-
Save imwower/7a302f54433424bf23b6 to your computer and use it in GitHub Desktop.
Special autowiring mode that also scans Resolve parameters while wiring properties
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
public static class AutofacExtensions | |
{ | |
/// <summary> | |
/// Special autowiring mode that also scans Resolve parameters while wiring properties | |
/// </summary> | |
public static IRegistrationBuilder<TLimit, TActivatorData, TRegistrationStyle> PropertiesAutowiredWithParameters<TLimit, TActivatorData, TRegistrationStyle>(this IRegistrationBuilder<TLimit, TActivatorData, TRegistrationStyle> rb) | |
{ | |
AutowiringPropertyInjectorWithParameters injector = new AutowiringPropertyInjectorWithParameters(); | |
rb.RegistrationData.ActivatingHandlers.Add(delegate(object s, ActivatingEventArgs<object> e) | |
{ | |
injector.InjectProperties(e.Context, e.Instance, e.Parameters); | |
}); | |
return rb; | |
} | |
/// <summary> | |
/// Special autowiring mode that also scans Resolve parameters while wiring properties | |
/// </summary> | |
public static IRegistrationBuilder<TLimit, TActivatorData, TRegistrationStyle> PropertiesAutowiredWithParameters<TLimit, TActivatorData, TRegistrationStyle>(this IRegistrationBuilder<TLimit, TActivatorData, TRegistrationStyle> rb, bool allowCircularDependencies) | |
{ | |
if (allowCircularDependencies) | |
{ | |
AutowiringPropertyInjectorWithParameters injector = new AutowiringPropertyInjectorWithParameters(); | |
rb.RegistrationData.ActivatedHandlers.Add(delegate(object s, ActivatedEventArgs<object> e) | |
{ | |
injector.InjectProperties(e.Context, e.Instance, e.Parameters); | |
}); | |
return rb; | |
} | |
return rb.PropertiesAutowired(); | |
} | |
} | |
internal class AutowiringPropertyInjectorWithParameters | |
{ | |
public void InjectProperties(IComponentContext context, object instance, IEnumerable<Parameter> parameters) | |
{ | |
if (context == null) | |
{ | |
throw new ArgumentNullException("context"); | |
} | |
if (instance == null) | |
{ | |
throw new ArgumentNullException("instance"); | |
} | |
foreach (PropertyInfo info in instance.GetType().GetProperties(BindingFlags.SetProperty | BindingFlags.Public | BindingFlags.Instance)) | |
{ | |
Type propertyType = info.PropertyType; | |
if (!propertyType.IsValueType && info.GetIndexParameters().Length == 0) | |
{ | |
MethodInfo[] accessors = info.GetAccessors(false); | |
if (accessors.Length != 1 || accessors[0].ReturnType == typeof(void)) | |
{ | |
if (context.IsRegistered(propertyType)) | |
{ | |
object obj2 = context.Resolve(propertyType,parameters); | |
info.SetValue(instance, obj2, null); | |
} | |
} | |
} | |
} | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment