/// <summary>
/// Visitor pattern method for <see cref="DbFunctionExpression"/>.
/// </summary>
/// <param name="expression">The DbFunctionExpression that is being visited.</param>
/// <exception cref="ArgumentNullException"><paramref name="expression"/> is null</exception>
public override void Visit(DbFunctionExpression expression)
{
// #433613: PreSharp warning 56506: Parameter 'expression' to this public method must be validated: A null-dereference can occur here.
EntityUtil.CheckArgumentNull(expression, "expression");
VisitExpressionList(expression.Arguments);
}
public override DbExpression Visit(DbFunctionExpression expression)
{
EntityUtil.CheckArgumentNull(expression, "expression");
DbExpression result = expression;
IList <DbExpression> newArguments = this.VisitExpressionList(expression.Arguments);
EdmFunction newFunction = this.VisitFunction(expression.Function);
if (!object.ReferenceEquals(expression.Arguments, newArguments) ||
!object.ReferenceEquals(expression.Function, newFunction))
{
result = CqtBuilder.Invoke(newFunction, newArguments);
}
NotifyIfChanged(expression, result);
return(result);
}
/// <summary> /// Visitor pattern method for DbFunctionExpression /// </summary> /// <param name="expression">The DbFunctionExpression that is being visited.</param> /// <returns>An instance of TResultType.</returns> public abstract TResultType Visit(DbFunctionExpression expression);
/// <summary> /// Visitor pattern method for DbFunctionExpression /// </summary> /// <param name="expression">The DbFunctionExpression that is being visited.</param> public abstract void Visit(DbFunctionExpression expression);