IRowAsyncValidators IRowAsyncValidators.Add(RowAsyncValidator value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
return(RowAsyncValidators.New(this, value));
}
public IRowAsyncValidators Add(RowAsyncValidator value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
return(value);
}
internal void UpdateAsyncErrors(RowAsyncValidator rowAsyncValidator)
{
Debug.Assert(CurrentRow != null);
var sourceColumns = rowAsyncValidator.SourceColumns;
var errors = GetErrors(_asyncErrorsByRow, CurrentRow);
errors = Remove(errors, x => !x.Source.SetEquals(sourceColumns));
errors = Merge(errors, rowAsyncValidator.Results);
UpdateAsyncErrors(CurrentRow, errors);
}
/// <summary>
/// Adds async validator.
/// </summary>
/// <param name="sourceColumns">The source columns of the validator.</param>
/// <param name="validator">The delegate to perform validation.</param>
/// <param name="displayName">The display name of the validator.</param>
/// <returns>This template builder for fluent coding.</returns>
public TemplateBuilder AddAsyncValidator(IColumns sourceColumns, Func <DataRow, Task <IEnumerable <string> > > validator, string displayName = null)
{
if (sourceColumns == null || sourceColumns.Count == 0)
{
throw new ArgumentNullException(nameof(sourceColumns));
}
if (validator == null)
{
throw new ArgumentNullException(nameof(validator));
}
if (string.IsNullOrEmpty(displayName))
{
displayName = GetDefaultDisplayName(sourceColumns);
}
Template.AddAsyncValidator(RowAsyncValidator.Create(displayName, sourceColumns, validator));
return(this);
}
public IRowAsyncValidators Add(RowAsyncValidator value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (!IsSealed)
{
_list.Add(value);
return(this);
}
Debug.Assert(Count > 0);
var result = new KeyedRowAsyncValidators();
for (int i = 0; i < Count; i++)
{
result.Add(this[i]);
}
result.Add(value);
return(result);
}
public KeyedRowAsyncValidators(RowAsyncValidator value1, RowAsyncValidator value2)
{
Debug.Assert(value1 != null && value2 != null);
Add(value1);
Add(value2);
}
internal static IRowAsyncValidators New(RowAsyncValidator value1, RowAsyncValidator value2)
{
Debug.Assert(value1 != null && value2 != null && value1 != value2);
return(new KeyedRowAsyncValidators(value1, value2));
}