Exemple #1
0
        private void enumeratePartialAndClose(PipelineContext ctx, MappedObjectEnumerator e, int N)
        {
            try
            {
                //ctx.ImportLog.Log("enumeratePartial e={0}", e.GetType().Name);

                int startedExpCount = base.cnt_added;
                if (this.undupper == null) //Easy case without undupper?
                {
                    ctx.ImportLog.Log(_LogType.ltTimerStart, "-- enum partial[{0}]: count=unknown (not undupping)", N);
                    while (true)
                    {
                        var obj = e.GetNext();
                        if (obj == null)
                        {
                            break;
                        }
                        PassThrough(ctx, obj);
                    }
                    numAfterSort += cnt_added - startedExpCount;
                    ctx.ImportLog.Log(_LogType.ltTimerStop, "-- enum done. Forwarded {0} recs, skipped 0 recs.", cnt_added - startedExpCount);
                    goto EXIT_RTN;
                }

                //More complex case with undupper
                List <JObject> list = e.GetAll();
                int            cnt  = list.Count;
                if (cnt == 0)
                {
                    goto EXIT_RTN;
                }

                numAfterSort += cnt;
                ctx.ImportLog.Log(_LogType.ltTimerStart, "-- enum partial[{0}]: count={1}", N, cnt);
                JObject  prev     = list[0];
                JToken[] prevKeys = undupper.GetKeys(prev);
                int      prevIdx  = 0;
                ctx.ActionFlags = _ActionFlags.None;
                for (int i = 1; i < list.Count; i++)
                {
                    JObject  cur  = list[i];
                    JToken[] keys = undupper.GetKeys(cur);
                    if (undupper.CompareKeys(prevKeys, keys) == 0)
                    {
                        continue;
                    }

                    if (undupActions != null)
                    {
                        undupActions.ProcessRecords(ctx, list, prevIdx, i - prevIdx);
                    }

                    if ((ctx.ActionFlags & _ActionFlags.Skip) == 0)
                    {
                        PassThrough(ctx, prev);
                    }

                    prevIdx  = i;
                    prev     = cur;
                    prevKeys = keys;
                }
                if (prevIdx < list.Count)
                {
                    if (undupActions != null)
                    {
                        undupActions.ProcessRecords(ctx, list, prevIdx, list.Count - prevIdx);
                    }
                    if ((ctx.ActionFlags & _ActionFlags.Skip) == 0)
                    {
                        PassThrough(ctx, prev);
                    }
                }
                int exp = base.cnt_added - startedExpCount;
                ctx.ImportLog.Log(_LogType.ltTimerStop, "-- enum done. Forwarded {0} recs, skipped {1} recs.", exp, cnt - exp);

                EXIT_RTN :;
            }
            finally
            {
                e.Close();
            }
        }
        private void enumeratePartialAndClose(PipelineContext ctx, MappedObjectEnumerator e)
        {
            if (e == null)
            {
                return;
            }
            try
            {
                List <JObject> list = e.GetAll();
                int            cnt  = list.Count;
                if (cnt == 0)
                {
                    goto EXIT_RTN;
                }
                if (beforeSort != null)
                {
                    list = (List <JObject>)beforeSort.Execute(ctx, list);
                }
                list.Sort(this.Sorter);

                if (this.Undupper == null && this.afterSort == null)
                {
                    goto EXPORT_ALL;
                }

                if (afterSort != null)
                {
                    list = (List <JObject>)afterSort.Execute(ctx, list);
                }

                if (this.Undupper == null)
                {
                    goto EXPORT_ALL;
                }

                JObject  prev     = list[0];
                JToken[] prevKeys = Undupper.GetKeys(prev);
                int      prevIdx  = 0;
                for (int i = 1; i < list.Count; i++)
                {
                    JObject  cur  = list[i];
                    JToken[] keys = Undupper.GetKeys(cur);
                    if (Undupper.CompareKeys(prevKeys, keys) == 0)
                    {
                        continue;
                    }

                    if (undupActions != null)
                    {
                        undupActions.ProcessRecords(ctx, list, prevIdx, i - prevIdx);
                    }
                    PassThrough(ctx, prev);

                    prevIdx  = i;
                    prev     = cur;
                    prevKeys = keys;
                }
                if (prevIdx < list.Count)
                {
                    if (undupActions != null)
                    {
                        undupActions.ProcessRecords(ctx, list, prevIdx, list.Count - prevIdx);
                    }
                    PassThrough(ctx, prev);
                }
                goto EXIT_RTN;

EXPORT_ALL:
                for (int i = 0; i < list.Count; i++)
                {
                    PassThrough(ctx, list[i]);
                }

EXIT_RTN:
                numAfterSort += cnt;
            }
            finally
            {
                e.Close();
            }
        }