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Fix interface property lookup in generic method

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Rhodon
2023-05-04 14:09:11 +02:00
parent 3b98b1ef36
commit aab4834002
2 changed files with 66 additions and 32 deletions
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src/EntityFrameworkCore.Projectables/Extensions/TypeExtensions.cs
+24 -32
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@@ -41,23 +41,8 @@ namespace EntityFrameworkCore.Projectables.Extensions
return true;
}
private static int? GetOverridingMethodIndex(this MethodInfo methodInfo, MethodInfo[]? allDerivedMethods)
{
if (allDerivedMethods is { Length: > 0 })
{
var baseDefinition = methodInfo.GetBaseDefinition();
for (var i = 0; i < allDerivedMethods.Length; i++)
{
var derivedMethodInfo = allDerivedMethods[i];
if (derivedMethodInfo.GetBaseDefinition() == baseDefinition)
{
return i;
}
}
}
return null;
}
private static bool IsOverridingMethodOf(this MethodInfo methodInfo, MethodInfo baseDefinition)
=> methodInfo.GetBaseDefinition() == baseDefinition;
public static MethodInfo GetOverridingMethod(this Type derivedType, MethodInfo methodInfo)
{
@@ -68,31 +53,38 @@ namespace EntityFrameworkCore.Projectables.Extensions
var derivedMethods = derivedType.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
return methodInfo.GetOverridingMethodIndex(derivedMethods) is { } i
? derivedMethods[i]
// No derived methods were found. Return the original methodInfo
: methodInfo;
MethodInfo? overridingMethod = null;
if (derivedMethods is { Length: > 0 })
{
var baseDefinition = methodInfo.GetBaseDefinition();
overridingMethod = derivedMethods.FirstOrDefault(derivedMethodInfo
=> derivedMethodInfo.IsOverridingMethodOf(baseDefinition));
}
return overridingMethod ?? methodInfo; // If no derived methods were found, return the original methodInfo
}
public static PropertyInfo GetOverridingProperty(this Type derivedType, PropertyInfo propertyInfo)
{
var accessor = propertyInfo.GetAccessors()[0];
if (!derivedType.CanHaveOverridingMethod(accessor))
var accessor = propertyInfo.GetAccessors(true).FirstOrDefault(derivedType.CanHaveOverridingMethod);
if (accessor is null)
{
return propertyInfo;
}
var isGetAccessor = propertyInfo.GetMethod == accessor;
var derivedProperties = derivedType.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var derivedPropertyMethods = derivedProperties
.Select((Func<PropertyInfo, MethodInfo?>)
(propertyInfo.GetMethod == accessor ? p => p.GetMethod : p => p.SetMethod))
.OfType<MethodInfo>().ToArray();
return accessor.GetOverridingMethodIndex(derivedPropertyMethods) is { } i
? derivedProperties[i]
// No derived methods were found. Return the original methodInfo
: propertyInfo;
PropertyInfo? overridingProperty = null;
if (derivedProperties is { Length: > 0 })
{
var baseDefinition = accessor.GetBaseDefinition();
overridingProperty = derivedProperties.FirstOrDefault(p
=> (isGetAccessor ? p.GetMethod : p.SetMethod)?.IsOverridingMethodOf(baseDefinition) == true);
}
return overridingProperty ?? propertyInfo; // If no derived methods were found, return the original methodInfo
}
public static MethodInfo GetImplementingMethod(this Type derivedType, MethodInfo methodInfo)