using System;
using FluentNHibernate.Conventions;
using System.Reflection;
using FluentNHibernate;
using FluentNHibernate.Conventions.Instances;
using FluentNHibernate.Conventions.Inspections;
using FluentNHibernate.Conventions.AcceptanceCriteria;
using Tanshu.Accounts.Contracts;

namespace Tanshu.Accounts.Conventions
{
    public class NotNullConvention : IPropertyConvention
    {
        public void Apply(IPropertyInstance instance)
        {
            if (!HasAttribute(instance.Property.MemberInfo)) return;
            instance.Not.Nullable();
        }
        bool HasAttribute(ICustomAttributeProvider provider)
        {
            return provider.GetCustomAttributes(typeof(NotNullAttribute), false).Length == 1;
        }
    }
}