internal override GatewayResult Execute()
{
Record();
GatewayResult result = new GatewayResult();
GatewayAdapterCursor gatewayAdapterCursor = GatewayAdapter.GetCursor(RuntimeCursor);
Debug.Assert(gatewayAdapterCursor != null);
// clear old ranges - might contain old locates.
gatewayAdapterCursor.Ranges.Clear();
// TODO 1:
// fm_crsr_cache_open ???
// Copy ranges from runtime to gateway
if (RuntimeCursor.RuntimeCursorData.Ranges != null)
{
foreach (RangeData runtimeRange in RuntimeCursor.RuntimeCursorData.Ranges)
{
RangeData gatewayRange = new RangeData(runtimeRange);
RangeConvert(gatewayRange, runtimeRange, gatewayAdapterCursor);
gatewayAdapterCursor.Ranges.Add(gatewayRange);
}
}
// TODO 2:
// fm_copy_sql_ranges
result.ErrorCode = GatewayAdapter.Gateway.CrsrOpen(gatewayAdapterCursor);
SetErrorDetails(result);
return(result);
}
protected void RecordData()
{
if (DataRecorder != null)
{
DataRecorder.Record(GatewayAdapter.GetCursor(RuntimeCursor));
}
}
internal override GatewayResult Execute()
{
Record();
GatewayResult result = new GatewayResult();
GatewayAdapterCursor gatewayAdapterCursor = GatewayAdapter.GetCursor(RuntimeCursor);
Debug.Assert(gatewayAdapterCursor != null);
gatewayAdapterCursor.Definition.ClearFlag(CursorProperties.DummyFetch);
// TODO 1 ???:
//if (mg_crsr->blobs)
// crsr_fill_blob_info(db_crsr, mg_crsr, dbd->dbh);
// TODO 2: for join
//link_save_area = fm_link_crsr_buf_save(join_info->db_join_crsr);
//retval = SQL_wrap_crsr_fetch_join(join_info->db_join_crsr,
// !mg_crsr->fetchSource.is_set(FETCH_BYPASS_TRANS_CACHE));
//fm_link_crsr_buf_restore(join_info->db_join_crsr, link_save_area);
// TODO 3: for not join
//if (not join)
result.ErrorCode = GatewayAdapter.Gateway.CrsrFetch(gatewayAdapterCursor);
if (result.Success)
{
// TODO 4: for dummy fetch
// if (db_crsr->properties.is_set (DUMMY_FETCH) && mg_crsr->dummy_fetch_buf != NULL)
// TODO 5: check if a record that was fetched is within the ranges
// fm_check_rngs
// TODO 6: fetch Blobs
// CrsrFetchBLOBs & CrsrFetchBLOBsJoin
// TODO 7: If not DUMMY_FETCH
// fm_flds_mg_4_db
ConvertToRuntime(gatewayAdapterCursor);
RecordData();
}
else
// TODO: Error handling.
// Temporary !!!
if (result.ErrorCode != GatewayErrorCode.NoRecord)
{
SetErrorDetails(result);
}
return(result);
}
internal override GatewayResult Execute()
{
Record();
GatewayResult result = new GatewayResult();
GatewayAdapterCursor gatewayAdapterCursor = GatewayAdapter.GetCursor(RuntimeCursor);
if (gatewayAdapterCursor != null)
{
// TODO: for join cursor CrsrReleaseJoin
result.ErrorCode = GatewayAdapter.Gateway.CrsrRelease(gatewayAdapterCursor);
GatewayAdapter.RemoveCursor(RuntimeCursor);
}
SetErrorDetails(result);
return(result);
}
internal override GatewayResult Execute()
{
GatewayResult result = new GatewayResult();
Record();
result = CheckIsFlagSet(CursorProperties.Delete);
if (result.Success)
{
GatewayAdapterCursor gatewayAdapterCursor = GatewayAdapter.GetCursor(RuntimeCursor);
Debug.Assert(gatewayAdapterCursor != null);
result.ErrorCode = GatewayAdapter.Gateway.CrsrDelete(gatewayAdapterCursor);
SetErrorDetails(result);
}
return(result);
}
internal override GatewayResult Execute()
{
Record();
GatewayResult result = new GatewayResult();
GatewayAdapterCursor gatewayAdapterCursor = GatewayAdapter.GetCursor(RuntimeCursor);
Debug.Assert(gatewayAdapterCursor != null);
result.ErrorCode = GatewayAdapter.Gateway.CrsrGetCurr(gatewayAdapterCursor);
ConvertToRuntime(gatewayAdapterCursor);
RecordData();
SetErrorDetails(result);
return(result);
}
internal override GatewayResult Execute()
{
GatewayResult result = new GatewayResult();
Record();
result = CheckIsFlagSet(CursorProperties.Update);
if (result.Success)
{
GatewayAdapterCursor gatewayAdapterCursor = GatewayAdapter.GetCursor(RuntimeCursor);
Debug.Assert(gatewayAdapterCursor != null);
// 2. fm_flds_mg_2_db
ConvertToGateway(gatewayAdapterCursor);
// 3. ///*Update/Delete Stmt chngs copying update fld list from mg_crsr into db_crsr*/???
// 4. update the record into data view
//If partofdatetime is set and only time field is updated then before going to gateway set IsFieldUpdated of date field to true.
for (int idx = 0; idx < (int)gatewayAdapterCursor.Definition.FieldsDefinition.Count; idx++)
{
DBField fld = gatewayAdapterCursor.Definition.FieldsDefinition[idx];
if (fld.Storage == FldStorage.TimeString && fld.PartOfDateTime != 0 && gatewayAdapterCursor.Definition.IsFieldUpdated[idx])
{
int dateIdx = 0;
for (dateIdx = 0; dateIdx < gatewayAdapterCursor.Definition.FieldsDefinition.Count; dateIdx++)
{
if (DataSourceDefinition.Fields[gatewayAdapterCursor.Definition.FieldsDefinition[dateIdx].IndexInRecord].Isn == fld.PartOfDateTime)
{
break;
}
}
gatewayAdapterCursor.Definition.IsFieldUpdated[dateIdx] = true;
}
}
result.ErrorCode = GatewayAdapter.Gateway.CrsrUpdate(gatewayAdapterCursor);
SetErrorDetails(result);
}
return(result);
}
internal override GatewayResult Execute()
{
Record();
GatewayResult result = new GatewayResult();
GatewayAdapterCursor gatewayAdapterCursor = GatewayAdapter.GetCursor(RuntimeCursor);
Debug.Assert(gatewayAdapterCursor != null);
result.ErrorCode = GatewayAdapter.Gateway.CrsrClose(gatewayAdapterCursor);
if (result.Success)
{
// TODO:
// Free Blobs
}
SetErrorDetails(result);
return(result);
}
internal override GatewayResult Execute()
{
Record();
GatewayResult result = new GatewayResult();
RTDataSource rtDataSource = GatewayAdapter.GetDataSource(DataSourceDefinition);
//SerializeDatasource(DataSourceDefinition);
//Serialize();
if (rtDataSource == null)
{
rtDataSource = new RTDataSource(DataSourceDefinition);
rtDataSource.GatewayAdapter = GatewayAdapter;
}
// TODO: Access (HDLINFO hdl_info_tbl_.datatbl)
// TODO: Foreign keys
// share & mode are ignored
if (!rtDataSource.IsOpened)
{
try
{
DatabaseDefinition dbDefinition = (DatabaseDefinition)DbDefinition.Clone();
UpdateDataBaseLocation(dbDefinition);
result.ErrorCode = GatewayAdapter.Gateway.FileOpen(DataSourceDefinition, dbDefinition, FileName, Access,
DbShare.Write, DbOpen.Normal, null);
}
catch (FileNotFoundException ex)
{
throw new ApplicationException("The SQLite database couldn't be opened.", ex);
}
}
if (result.Success)
{
rtDataSource.Open();
}
SetErrorDetails(result);
return(result);
}
internal override GatewayResult Execute()
{
Record();
RTDataSource rtDataSource = GatewayAdapter.GetDataSource(DataSourceDefinition);
GatewayResult result = new GatewayResult();
// TODO: Access (HDLINFO hdl_info_tbl_.datatbl)
if (rtDataSource != null)
{
if (rtDataSource.IsLast)
{
result.ErrorCode = GatewayAdapter.Gateway.FileClose(DataSourceDefinition);
}
if (result.Success)
{
rtDataSource.Close();
}
SetErrorDetails(result);
}
return(result);
}
internal override GatewayResult Execute()
{
Record();
GatewayAdapterCursor gatewayAdapterCursor = new GatewayAdapterCursor(RuntimeCursor.CursorDefinition);
gatewayAdapterCursor.CursorType = CursorType.Regular;
GatewayResult result = new GatewayResult();
DatabaseDefinition dbDefinition = (DatabaseDefinition)DbDefinition.Clone();
UpdateDataBaseLocation(dbDefinition);
result.ErrorCode = GatewayAdapter.Gateway.CrsrPrepare(gatewayAdapterCursor, dbDefinition);
if (result.Success)
{
GatewayAdapter.AddCursor(RuntimeCursor, gatewayAdapterCursor);
}
// db_rng_val_alloc ??
SetErrorDetails(result);
return(result);
}
internal override GatewayResult Execute()
{
GatewayResult gatewayResult = new GatewayResult();
// must set the DatabaseType, the getter of property GatewayAdapter is used it.
this.DatabaseType = GatewaysManager.DATA_SOURCE_DATATYPE_LOCAL;
bool hasDataSourceDefinition = GatewayAdapter.HasDataSourceDefinition();
// only if there is data source opened then open transaction
if (hasDataSourceDefinition)
{
this.DataSourceDefinition = GatewayAdapter.GetFirstDataSourceDefinition();
Record();
// save the Data base definition on static so while close the transaction we will use it
GatewayAdapter.TransactionWasOpned = hasDataSourceDefinition;
// call the gateway command
gatewayResult.ErrorCode = GatewayAdapter.Gateway.Trans((int)TransactionModes.OpenWrite);
SetErrorDetails(gatewayResult);
}
return(gatewayResult);
}
