public void Validate(ValueInfo[] parameters)
{
var table = new DataTable();
table.CaseSensitive = CaseSensitive;
// create a column for each parameter giving its name and type
//
table.Columns.AddRange(
parameters.Select(
p => new DataColumn(
p.Name,
p.Type)).ToArray());
// create one row with all the values
//
table.Rows.Add(parameters.Select(p => p.Value).ToArray());
// run the expression
//
var selected = table.Select(Expression);
if (!selected.Any())
{
throw new ValidationException("Expression failed validation: '{0}' for arguments: [{1}]".FormatWith(
Expression,
parameters.Select(
p => "{0}={1}".FormatWith(
p.Name,
p.Value.ToSafeString("<NULL>"))).StringJoin(", ")));
}
}
public void Validate(ValueInfo[] parameters)
{
// At this point - we already know that all the parameters have a value
// that matches their types.
// This validator works only for arrays so we'll add
// a simple assertion for that.
//
Debug.Assert(parameters.All(p => p.Value is Array));
// Cast them all to arrays
//
var arrays = parameters.Select(p => p.Value).Cast<Array>();
// Take the first length
//
var length = arrays.First().Length;
// Validate that all arrays have the same length
//
if (!arrays.All(a => a.Length == length))
{
throw new ValidationException("Not all arrays have the same length.");
}
}