/// <summary> /// Typed visitor pattern method for DbNullExpression. /// </summary> /// <param name="expression">The DbNullExpression that is being visited.</param> /// <returns>An instance of TResultType.</returns> public abstract TResultType Visit(DbNullExpression expression);
/// <summary> /// Visitor pattern method for DbNullExpression. /// </summary> /// <param name="expression">The DbNullExpression that is being visited.</param> public abstract void Visit(DbNullExpression expression);
/// <summary>
/// Visitor pattern method for <see cref="DbNullExpression"/>.
/// </summary>
/// <param name="expression">The DbNullExpression that is being visited.</param>
/// <exception cref="ArgumentNullException"><paramref name="expression"/> is null</exception>
public override void Visit(DbNullExpression expression)
{
// #433613: PreSharp warning 56506: Parameter 'expression' to this public method must be validated: A null-dereference can occur here.
EntityUtil.CheckArgumentNull(expression, "expression");
}
public override DbExpression Visit(DbNullExpression expression)
{
EntityUtil.CheckArgumentNull(expression, "expression");
return(VisitTerminal(expression, CqtBuilder.Null));
}