PropertyReader<TObject, TValue>
using System;
using System.Reflection;
using System.Runtime.CompilerServices;
namespace Namotion.Reflection
{
[System.Runtime.CompilerServices.NullableContext(2)]
[System.Runtime.CompilerServices.Nullable(0)]
internal sealed class PropertyReader<TObject, TValue> : IPropertyReader
{
[System.Runtime.CompilerServices.Nullable(1)]
private readonly PropertyInfo _propertyInfo;
private Func<TObject, TValue> _getter;
[System.Runtime.CompilerServices.NullableContext(1)]
public PropertyReader(PropertyInfo propertyInfo)
{
_propertyInfo = propertyInfo;
MethodInfo getMethod = propertyInfo.GetMethod;
_getter = ((getMethod != (MethodInfo)null) ? ((Func<TObject, TValue>)Delegate.CreateDelegate(typeof(Func<TObject, TValue>), null, getMethod)) : null);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public TValue GetValue(TObject obj)
{
if (_getter == null)
return (TValue)_propertyInfo.GetValue(obj);
return _getter(obj);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
object IPropertyReader.GetValue(object obj)
{
return GetValue((TObject)obj);
}
}
}