public override int SaveChanges()
{
ValidationMessageCollection validationMessages;
validationMessages = new ValidationMessageCollection();
foreach (DbEntityEntry entry in this.ChangeTracker.Entries().Where(x => x.State == EntityState.Added ||
x.State == EntityState.Modified))
{
validationMessages.AddRange((entry.Entity as Entity).Validate());
}
if (validationMessages.Any(x => x.ValidationLevel == ValidationLevel.Error))
{
// we found invalid objects that were being saved => prevent saving them to the database
throw new ValidationException(validationMessages);
}
else
{
return(base.SaveChanges());
}
}
