/// <inheritdoc />
public IEnumerable <ValidationResult> Validate(ValidationContext validationContext)
{
var results = new List <ValidationResult>();
if (ForeignKey.ForeignColumns.Count > 0)
{
var ctxt = new ValidationContext(ForeignKey, validationContext.Items);
ctxt.InitializeServiceProvider(validationContext.GetService);
ValidationUtilities.TryCollectResults(ctxt, ForeignKey, results);
}
else
{
if (string.IsNullOrEmpty(ForeignKey.Name))
{
results.Add(new ValidationResult(ErrorMessages.ForeignKeyNameCannotBeNullOrEmpty));
}
if (string.IsNullOrEmpty(ForeignKey.ForeignTable))
{
results.Add(new ValidationResult(ErrorMessages.ForeignTableNameCannotBeNullOrEmpty));
}
}
return(results);
}
public static ICollection <string> CollectErrors(params object[] items)
{
var result = new List <ValidationResult>();
foreach (var item in items)
{
var context = new ValidationContext(item);
ValidationUtilities.TryCollectResults(context, item, result);
}
return(result
.Where(x => x != ValidationResult.Success)
.Select(x => x.ErrorMessage).ToList());
}
/// <inheritdoc />
public virtual IEnumerable <ValidationResult> Validate(IMigrationExpression expression)
{
var items = new Dictionary <object, object>();
var context = new ValidationContext(expression, items);
if (_serviceProvider != null)
{
context.InitializeServiceProvider(_serviceProvider.GetService);
}
var result = new List <ValidationResult>();
if (!ValidationUtilities.TryCollectResults(context, expression, result))
{
return(result);
}
return(Enumerable.Empty <ValidationResult>());
}