Entity validation with Exceptions Sample

1.Post.DomainNotification.CustomerWithExceptions.cs

public class Customer 
{
	public string Name { get; }
	public string Email { get; }

	public Customer(string name, string email)
	{
		if (string.IsNullOrEmpty(name))
		{
			throw new InvalidOperationException("Name cannot be empty");
		}

		if (!email.Contains("@"))
		{
			throw new InvalidOperationException("Invalid email");
		}

		Name = name;
		Email = email;
	}
}