} // func PullData
/// <summary>Push dataset to the object.</summary>
/// <param name="obj"></param>
/// <param name="data"></param>
/// <param name="release"></param>
/// <returns></returns>
protected override PpsPushDataResult PushData(PpsObjectAccess obj, PpsDataSetServer data, bool release)
{
// fire triggers
CallTableMethodsWithExceptions(LuaOnBeforePush, obj, data);
// move all to original row
data.Commit();
if (obj.IsNew)
{
InsertNewObject(obj, data);
}
else // check rev, to in base implementation?
{
var headRevId = obj.HeadRevId;
if (headRevId > obj.RevId)
{
return(PpsPushDataResult.PulledRevIsToOld); // head revision is newer than pulled revision -> return this fact
}
else if (headRevId < obj.RevId)
{
throw new ArgumentException($"Push failed. Pulled revision is greater than head revision.");
}
}
// update head id
CheckHeadObjectId(obj, data);
// update all local generated id's to server id's
foreach (var dt in data.Tables)
{
if (dt.TableDefinition.PrimaryKey == null)
{
continue;
}
var idxPrimaryKey = dt.TableDefinition.PrimaryKey.Index;
if (dt.TableDefinition.PrimaryKey.IsIdentity) // auto incr => getnext
{
foreach (var row in dt)
{
PpsDataTable.GetKey(row[idxPrimaryKey].ChangeType <long>(), out var type, out var value);
if (type == PpsTablePrimaryKeyType.Local)
{
row[idxPrimaryKey] = data.GetNextId();
}
}
}
else // self set => abs(nr)
{
// absolute
foreach (var row in dt)
{
PpsDataTable.GetKey(row[idxPrimaryKey].ChangeType <long>(), out var type, out var value);
if (type == PpsTablePrimaryKeyType.Local)
{
row[idxPrimaryKey] = PpsDataTable.MakeKey(PpsTablePrimaryKeyType.Server, value);
}
}
}
}
// commit all to orignal
data.Commit();
// update tags
obj.UpdateRevisionTags(data.GetAutoTags());
// actions after push
CallTableMethodsWithExceptions(LuaOnAfterPush, obj, data);
obj[nameof(PpsObjectAccess.MimeType)] = "text/dataset";
using (var src = GetStreamFromData(data))
obj.UpdateData(src);
obj.Update(PpsObjectUpdateFlag.All);
return(PpsPushDataResult.PushedAndChanged);
} // func PushData
} // proc UpdateNextId
/// <summary>Returns a next id.</summary>
/// <returns></returns>
public long GetNextId()
{
lock (nextPrimaryLock)
return(PpsDataTable.MakeKey(DataSetDefinition.KeyType, ++lastPrimaryId));
} // func GetNextId
