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using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace NHail.ComponentModel.DataAnnotations.Fluent
public class ValidatableObjectAttribute : ValidationAttribute
private readonly Func<object, ValidationContext, ValidationResult> _isValid;
public ValidatableObjectAttribute(Func<object, ValidationContext, ValidationResult> isValid)
_isValid = isValid;
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
return _isValid(value, validationContext);
public override bool RequiresValidationContext => true;