private void Save()
{
foreach (var o in Added)
{
GetTable(o.GetType()).Add(o);
}
foreach (var o in Removed)
{
var table = GetTable(o.GetType());
if (!table.Contains(o))
{
throw new InvalidOperationException("Removed untracked entity");
}
table.Remove(o);
}
Added.Clear();
Updated.Clear();
Removed.Clear();
}
public void ApplyTo(Dbf dbf)
{
foreach (var record in Inserted)
{
dbf.Records.Add(record);
}
foreach (int index in Deleted)
{
dbf.DeleteRecord(index);
}
foreach (var kvp in Updated)
{
dbf.Records[kvp.Key] = kvp.Value;
if (dbf.Fields.Any(f => f.Type == DbfFieldType.Memo))
{
foreach (var field in dbf.Fields)
{
if (field.Type != DbfFieldType.Memo)
{
continue;
}
var memoEntry = kvp.Value[field.Name] as DbfMemoEntry;
if (!dbf.Memo.ContainsEntry(memoEntry))
{
// this is a new memo
kvp.Value[field.Name] = dbf.CreateMemoEntry(memoEntry.Value);
}
}
}
}
Inserted.Clear();
Updated.Clear();
Deleted.Clear();
}