예제 #1
0
파일: DbUpdateSet.cs 프로젝트: radtek/vita
        private static void SequenceRecords(DbUpdateGroup group)
        {
            if (group == null || group.Records.Count < 2)
            {
                return;
            }
            // check if we need extra record sequencing, for records in non-trivial topological groups
            var extraSeqRecords = group.RecordsForExtraSequencing;

            if (extraSeqRecords != null && extraSeqRecords.Count > 1)
            {
                AssignSubIndexes(extraSeqRecords);
            }
            // actually sort records by entity.TopologicalIndex, record.SubIndex, record.EntityName
            switch (group.Order)
            {
            case DbUpdateOrder.Update:
            case DbUpdateOrder.Delete:
            case DbUpdateOrder.IsolatedDelete:
                // direct order
                group.Records.Sort((x, y) => RecordsSortComparer(x, y, 1));
                break;

            case DbUpdateOrder.Insert:
            case DbUpdateOrder.IsolatedInsert:
                // reverse topological order
                group.Records.Sort((x, y) => RecordsSortComparer(x, y, -1));
                break;
            }
        }
예제 #2
0
파일: DbUpdateSet.cs 프로젝트: radtek/vita
        private DbUpdateGroup GetCreateUpdateGroup(DbUpdateOrder order)
        {
            var group = UpdateGroups.FirstOrDefault(g => g.Order == order);

            if (group != null)
            {
                return(group);
            }
            group = new DbUpdateGroup(order);
            UpdateGroups.Add(group);
            return(group);
        }
예제 #3
0
파일: DbUpdateSet.cs 프로젝트: radtek/vita
        private void CreateTableGroups(DbModel dbModel, DbUpdateGroup group)
        {
            DbUpdateTableGroup currGroup = null;

            foreach (var rec in group.Records)
            {
                if (currGroup == null || rec.EntityInfo != currGroup.Table.Entity)
                {
                    var tbl = dbModel.GetTable(rec.EntityInfo.EntityType);
                    currGroup = new DbUpdateTableGroup(tbl, ToOperation(group.Order));
                    group.TableGroups.Add(currGroup);
                }
                currGroup.Records.Add(rec);
            } //foreach rec
        }