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HeliumDataMgmt.pas
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HeliumDataMgmt.pas
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unit HeliumDataMgmt;
interface
uses
SysUtils, Classes, Contnrs, Math, SyncObjs, EvaluateDb, IsaacStandardInterfaces,
SQLClientInterfaces;
type
TLogErrorProc = procedure(const AMsg: string) of object;
TVessel = class(TObject)
ves_id: integer;
ves_type_id: integer;
ves_name: word;
ves_type: string;
ves_volume: double;
ves_tare: double;
ves_comment1: string;
ves_at_hzb_since: string;
{ - - - - - - - - - - - - - - }
ves_shortinterval: integer;
ves_longinterval: integer;
ves_minresistance: double;
ves_maxresistance: double;
ves_heattime: integer;
ves_adcloops: integer;
ves_filltimeout: integer;
ves_span: integer;
ves_zero: integer;
ves_comment2: string;
ves_options_in_db: boolean;
{ - - - - - - - - - - - - - - }
ves_he_level: double;
ves_pressure: word;
ves_position: string;
end;
TCoordinator = class(TObject)
coo_id: integer;
coo_name: string;
coo_comport: string;
coo_ip: string;
coo_address: string;
coo_position: string;
coo_comment: string;
{ - - - - - - - - - - - - - - }
coo_status: byte; // 0 inactive 1 active 2 failure
coo_xbeestatus: byte; // 0 reachable 1 testing 2 failure
end;
TModule = class(TObject)
mod_id: integer;
mod_name: string;
mod_address: string;
mod_lastactive: string;
mod_minvoltage: double;
mod_maxvoltage: double;
mod_criticvoltage: byte;
mod_comment: string;
{ - - - - - - - - - - - - - - }
mod_status: byte;
mod_vessel: TVessel;
mod_coordinator: TCoordinator;
mod_accumulator: byte;
mod_position: string;
mod_statusbyte: char;
{ - - - - - - - - - - - - - - }
mod_getStatus: boolean;
mod_getOptions: boolean;
mod_setOptions: boolean;
mod_getPositions: boolean;
mod_setPositions: boolean;
mod_getPassword: boolean;
mod_setPassword: boolean;
mod_getSleepTime: boolean;
mod_setSleepTime: boolean;
mod_getAwakeTime: boolean;
mod_setAwakeTime: boolean;
mod_displayText: string;
end;
TCryostat = class(TObject)
dev_id: integer;
dev_name: string;
dev_address: string;
dev_comment: string;
dev_ch1_enabled: boolean;
dev_ch1_gas: string;
dev_ch1_span: double;
dev_ch1_zero: double;
dev_ch2_enabled: boolean;
dev_ch2_gas: string;
dev_ch2_span: double;
dev_ch2_zero: double;
dev_ch3_enabled: boolean;
dev_ch3_gas: string;
dev_ch3_span: double;
dev_ch3_zero: double;
dev_class : integer;
{ - - - - - - - - - - - - - - }
dev_lastactive: string;
dev_ch1_level: double;
dev_ch2_level: double;
dev_ch3_level: double;
{ - - - - - - - - - - - - - - }
dev_coordinator: TCoordinator;
end;
TDataMgmt = class(TObject)
private
FLogErrorProc: TLogErrorProc;
FLock: TCriticalSection;
FDbClient: ISQLClient;
FEvaluate: TEvaluateDbThread;
FVesList: TObjectList;
FModList: TObjectList;
FCooList: TObjectList;
FDevList: TObjectList;
procedure SQLError(const AObj: ISQLImplementor; const AMessage: string);
public
constructor Create(const ALogErrorProc: TLogErrorProc); reintroduce;
destructor Destroy; override;
function Init: boolean;
procedure LockWhileWorkingWithList;
procedure UnlockAfterWorkingWithList;
procedure ConfigureDbConnection;
function GetDbConnection: boolean;
function GetDbClient: ISQLClient;
procedure DisconnectDbConnection;
procedure LastActiveToDb(AId: integer);
function MeasurementToDb(ACode: char; AVessel: TVessel; AModule: TModule; ACooId: integer; ADate: string; ALevel: double; APressure: word; AAccu: byte): boolean; overload;
function MeasurementToDb(AVesId, AModId, ACooId: integer; APosition: string; ALevel: double; APressure: word; AAccu: byte; ADate: string; AStatus: integer): boolean; overload;
function CryoMeasurementToDb(const ADevId, ACooId: integer;
const ACH1Level, ACh2Level, ACh3Level: double;
const ADate: string): boolean;
function InsertVesOptionsToDb(AVessel: TVessel): boolean;
function UpdateVesOptionsToDb(AVessel: TVessel): boolean;
function DeleteVesOptionsToDb(const AId: integer): boolean;
function InsertModuleToDb(AModule: TModule): boolean;
function UpdateModuleToDb(AModule: TModule): boolean;
function DeleteModuleToDb(const AId: integer): boolean;
function InsertCoordinatorToDb(ACoo: TCoordinator): boolean;
function UpdateCoordinatorToDb(ACoo: TCoordinator): boolean;
function DeleteCoordinatorToDb(const AId: integer): boolean;
function InsertIlmDeviceToDb(ADev: TCryostat): boolean;
function UpdateIlmDeviceToDb(ADev: TCryostat): boolean;
function DeleteIlmDeviceToDb(const AId: integer): boolean;
function SqlCommand(const AQuery: string): boolean;
function RefreshVesListByDB: boolean;
function RefreshModListByDB: boolean;
function RefreshCooListByDB: boolean;
function RefreshDevListByDB: boolean;
function GetVesItem(const AId: integer): TVessel;
function GetModItem(const AId: integer): TModule;
function GetCooItem(const AId: integer): TCoordinator;
function GetDevItem(const AId: integer): TCryostat;
function GetVesIndex(const AId: integer): integer;
function GetModIndex(const AId: integer): integer;
function GetCooIndex(const AId: integer): integer;
function GetDevIndex(const AId: integer): integer;
function GetVesItemByName(const AName: word): TVessel;
function GetModItemByAddr(const AAddr: string): TModule;
function GetDevItemByAddr(const AAddr: string): TCryostat;
function GetVesIndexByName(const AName: word): integer;
function GetModIndexByAddr(const AAddr: string): integer;
function GetDevIndexByAddr(const AAddr: string): integer;
function GetCopyOfVessel(const AIndex: integer): TVessel;
function GetCopyOfModule(const AIndex: integer): TModule;
function GetCopyOfCoordinator(const AIndex: integer): TCoordinator;
function GetCopyOfIlmDevice(const AIndex: integer): TCryostat;
function InsertNewCryoClass(const AClassName: string): integer;
function GetRegisteredCryoClasses: TStringList;
procedure EvaluateDatabase;
procedure FreeEvaluateThread(Sender: TObject);
published
property VesselList: TObjectList read FVesList;
property ModuleList: TObjectList read FModList;
property CoordinatorList: TObjectList read FCooList;
property DeviceList: TObjectList read FDevList;
end;
function BoolToNumber(const ABool: boolean): Char;
function NumberToBool(const ANumber: byte): boolean;
function GetModStatus(const AStatus: byte): string;
function GetCooStatus(const AStatus: byte): string;
function NewSQLClient: ISQLClient;
function GetSQLClientFactories: IDataModule; stdcall; external 'SQLClients.dll' name 'GetSQLClientFactories';
implementation
uses
HeliumFunctions, Dialogs;
const EClassConvertError = 'Error converting %s into DB_Key.';
const EKeyConvertError = 'Error converting %d into ClassName.';
function BoolToNumber(const ABool: boolean): Char;
begin
if ABool then
Result := '1'
else
Result := '0';
end;
function NumberToBool(const ANumber: byte): boolean;
begin
Result := not (ANumber = 0);
end;
function GetModStatus(const AStatus: byte): string;
begin
Result := '';
case AStatus of
0 : Result := 'inactive';
1 : Result := 'connecting';
2 : Result := 'connected';
3 : Result := 'fill begin';
4 : Result := 'filling';
5 : Result := 'timeout';
end;
end;
function GetCooStatus(const AStatus: byte): string;
begin
Result := '';
case AStatus of
0 : Result := 'inactive';
1 : Result := 'connected';
2 : Result := 'not connected';
end;
end;
function NewSQLClient: ISQLClient;
var
lRegId, lRegGUID: string;
lFactories: IDataModule;
lIntf: IInterface;
lFactory: ISQLImplementorFactory;
begin
Result := nil;
lFactories := GetSQLClientFactories;
if Assigned(lFactories) then
try
lRegGUID := getRegString('', 'SQLClientClassId');
lRegId := getRegString('', 'SQLClientId');
if lRegGUID <> '' then
begin
lFactories.GetInterfaceValue(PChar(lRegGUID), lIntf);
if not(supports(lIntf, ISQLImplementorFactory, lFactory)) then
raise Exception.Create(Format('ClassFactory for database ''%s'' could not be initialized', [lRegId]));
end
else
raise Exception.Create(Format('SQLClientFactory %s could not be initialized, no DataBase type specified', [lRegId]));
Result := lFactory.CreateClient;
finally
lFactories := nil;
end;
end;
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// << T D a t a - M a n a g e m e n t >> - - - - - - - - - - - - - - - - - -
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
constructor TDataMgmt.Create(const ALogErrorProc: TLogErrorProc);
begin
inherited Create;
FLogErrorProc := ALogErrorProc;
FLock := TCriticalSection.Create;
FVesList := TObjectList.Create(true);
FModList := TObjectList.Create(true);
FCooList := TObjectList.Create(true);
FDevList := TObjectList.Create(true);
FDbClient := nil;
FEvaluate := nil;
end;
destructor TDataMgmt.Destroy;
begin
FLock.Acquire;
try
FVesList.Free;
FModList.Free;
FCooList.Free;
FDevList.Free;
FDbClient := nil;
finally
FLock.Release;
FLock.Free;
end;
inherited Destroy;
end;
procedure TDataMgmt.LockWhileWorkingWithList;
begin
FLock.Acquire;
end;
procedure TDataMgmt.UnlockAfterWorkingWithList;
begin
FLock.Release;
end;
procedure TDataMgmt.ConfigureDbConnection;
begin
if Assigned(FDbClient) then FDbClient := nil;
FDbClient := NewSQLClient;
if not Assigned(FDbClient) then
raise Exception.Create('Failure configuring Db, SQLClient not assigned');
if not(Assigned(FDbClient.GetSession)) then
raise Exception.Create('Failure configuring Db, session not assigned');
FDbClient.GetSession.InitSession(getRegString('', 'DbServer'),
getRegString('', 'DbUser'),
decrypt(getRegString('', 'DbKey')));
end;
function TDataMgmt.GetDbClient: ISQLClient;
begin
result := FDbClient;
end;
function TDataMgmt.GetDbConnection: boolean;
var
lSession: ISQLSession;
begin
lSession := FDbClient.GetSession;
Result := lSession.Connected;
if not(Result) then
if not ((lSession.GetDataSource = '') or
(lSession.GetUsername = '') or
(lSession.GetPassword = '')) then
Result := lSession.Connect;
if not(Result) then
SQLError(lSession, Format(EConnectSession, [lSession.GetDataSource, lSession.GetUsername]));
end;
procedure TDataMgmt.DisconnectDbConnection;
begin
if assigned(FDbClient) then
FDbClient.GetSession.Disconnect;
end;
procedure TDataMgmt.LastActiveToDb(AId: integer);
begin
if (AId > -1) and GetDbConnection then
begin
setDbQuery(FDbClient, 'UPDATE ' + db_t_module + ' SET '
+ 'MOD_LASTTIMEACTIVE = SYSDATE WHERE '
+ 'MOD_ID = ' + intToStr(AId));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
end;
end;
function TDataMgmt.MeasurementToDb(ACode: char; AVessel: TVessel; AModule: TModule; ACooId: integer; ADate: string; ALevel: double; APressure: word; AAccu: byte): boolean;
var LMeaStatus: integer;
LPosition: string;
begin
Result := false;
LMeaStatus := 1;
LPosition := '';
if not (AModule.mod_status in [0,1]) then
case ACode of
#3 : LMeaStatus := 2;
#6 : begin
if (AModule.mod_status = 3)
then LMeaStatus := 3
else LMeaStatus := 4;
LPosition := AVessel.ves_position;
end;
#7 : begin
LMeaStatus := 5;
LPosition := AVessel.ves_position;
end;
#8 : LMeaStatus := 6;
#11: LMeaStatus := 7;
end;
if GetDbConnection then
try
setDbQuery(FDbClient, 'INSERT INTO ' + db_t_measurement + ' VALUES (1, '
+ intToStr(AVessel.ves_id) + ', '
+ intToStr(AModule.mod_id) + ', '
+ intToStr(ACooId) + ', '
+ #39 + LPosition + #39 + ', '
+ floatToDbFloat(ALevel) + ', '
+ intToStr(APressure) + ', '
+ intToStr(AAccu) + ', '
+ 'to_date(' + #39 + ADate + #39
+ ',' + #39 + 'dd.mm.yyyy hh24:mi:ss' + #39 + '), '
+ intToStr(LMeaStatus) + ')');
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.MeasurementToDb(AVesId, AModId, ACooId: integer; APosition: string; ALevel: double; APressure: word; AAccu: byte; ADate: string; AStatus: integer): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'INSERT INTO ' + db_t_measurement + ' VALUES (1, '
+ intToStr(AVesId) + ', '
+ intToStr(AModId) + ', '
+ intToStr(ACooId) + ', '
+ #39 + APosition + #39 + ', '
+ floatToDbFloat(ALevel) + ', '
+ intToStr(APressure) + ', '
+ intToStr(AAccu) + ', '
+ 'to_date(' + #39 + ADate + #39
+ ',' + #39 + 'dd.mm.yyyy hh24:mi:ss' + #39 + '), '
+ intToStr(AStatus) + ')');
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.CryoMeasurementToDb(const ADevId, ACooId: Integer;
const ACH1Level, ACh2Level, ACh3Level: Double;
const ADate: string): boolean;
function GetLevel(const ALevel: double): string;
begin
Result := 'null';
if not (ALevel > 200) then
Result := floatToDbFloat(ALevel);
end;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'INSERT INTO ' + db_t_ilmmeasurement + ' VALUES (1, '
+ intToStr(ADevId) + ', '
+ intToStr(ACooId) + ', '
+ GetLevel(ACh1Level) + ', '
+ GetLevel(ACh2Level) + ', '
+ GetLevel(ACh3Level) + ', '
+ 'to_date(' + #39 + ADate + #39
+ ',' + #39 + 'dd.mm.yyyy hh24:mi:ss' + #39 + '))');
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.InsertVesOptionsToDb(AVessel: TVessel): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'INSERT INTO ' + db_t_hlm_vessel + ' VALUES ('
+ intToStr(AVessel.ves_id) + ', '
+ intToStr(AVessel.ves_shortinterval) + ', '
+ intToStr(AVessel.ves_longinterval) + ', '
+ floatToDbFloat(AVessel.ves_minresistance) + ', '
+ floatToDbFloat(AVessel.ves_maxresistance) + ', '
+ intToStr(AVessel.ves_heattime) + ', '
+ intToStr(AVessel.ves_adcloops) + ', '
+ intToStr(AVessel.ves_filltimeout) + ', '
+ intToStr(AVessel.ves_span) + ', '
+ intToStr(AVessel.ves_zero) + ', '
+ #39 + AVessel.ves_comment2 + #39 + ')');
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.UpdateVesOptionsToDb(AVessel: TVessel): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'UPDATE ' + db_t_hlm_vessel + ' SET '
+ 'VES_SHORTINTERVAL = ' + intToStr(AVessel.ves_shortinterval) + ', '
+ 'VES_LONGINTERVAL = ' + intToStr(AVessel.ves_longinterval) + ', '
+ 'VES_MINRESISTANCE = ' + floatToDbFloat(AVessel.ves_minresistance) + ', '
+ 'VES_MAXRESISTANCE = ' + floatToDbFloat(AVessel.ves_maxresistance) + ', '
+ 'VES_HEATTIME = ' + intToStr(AVessel.ves_heattime) + ', '
+ 'VES_ADCLOOP = ' + intToStr(AVessel.ves_adcloops) + ', '
+ 'VES_FILLTIMEOUT = ' + intToStr(AVessel.ves_filltimeout) + ', '
+ 'VES_SPAN = ' + intToStr(AVessel.ves_span) + ', '
+ 'VES_ZERO = ' + intToStr(AVessel.ves_zero) + ', '
+ 'VES_COMMENT = ' + #39 + AVessel.ves_comment2 + #39
+ ' WHERE VES_V_ID = ' + intToStr(AVessel.ves_id));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.DeleteVesOptionsToDb(const AId: Integer): boolean;
begin
Result := false;
if (AId > 0) then
if GetDbConnection then
try
setDbQuery(FDbClient, 'DELETE FROM ' + db_t_hlm_vessel
+ ' WHERE VES_V_ID = ' + intToStr(AId));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.InsertModuleToDb(AModule: TModule): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'INSERT INTO ' + db_t_module + ' VALUES ('
+ '((SELECT MAX(MOD_ID) FROM ' + db_t_module + ') + 1),'
+ #39 + AModule.mod_name + #39 + ', '
+ #39 + AModule.mod_address + #39 + ', '
+ #39 + #39 + ', '
+ floatToDbFloat(AModule.mod_minvoltage) + ', '
+ floatToDbFloat(AModule.mod_maxvoltage) + ', '
+ intToStr(AModule.mod_criticvoltage) + ', '
+ #39 + AModule.mod_comment + #39 + ')');
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.UpdateModuleToDb(AModule: TModule): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'UPDATE ' + db_t_module + ' SET '
+ 'MOD_NAME = ' + #39 + AModule.mod_name + #39 + ', '
+ 'MOD_ADDRESS = ' + #39 + AModule.mod_address + #39 + ', '
+ 'MOD_MINVOLTAGE = ' + floatToDbFloat(AModule.mod_minvoltage) + ', '
+ 'MOD_MAXVOLTAGE = ' + floatToDbFloat(AModule.mod_maxvoltage) + ', '
+ 'MOD_CRITICALVOLTAGE = ' + intToStr(AModule.mod_criticvoltage) + ', '
+ 'MOD_COMMENT = ' + #39 + AModule.mod_comment + #39
+ ' WHERE MOD_ID = ' + intToStr(AModule.mod_id));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.DeleteModuleToDb(const AId: Integer): boolean;
begin
Result := false;
if (AId > 0) then
if GetDbConnection then
try
setDbQuery(FDbClient, 'DELETE FROM ' + db_t_module
+ ' WHERE MOD_ID = ' + intToStr(AId));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.Init: Boolean;
begin
Result := True;
try
ConfigureDbConnection;
if not(GetDbConnection) then
raise Exception.Create(Format('Failure connecting to database (data source: %s, user: %s)', [FDbClient.GetSession.GetDataSource, FDbClient.GetSession.GetUsername]));
except
on E: Exception do
begin
MessageDlg(Format('Failure initializing DataMgmt, message: %s', [E.Message]),
mtError, [mbOk], 0);
Result := False;
end;
end;
end;
function TDataMgmt.InsertCoordinatorToDb(ACoo: TCoordinator): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'INSERT INTO ' + db_t_coordinator + ' VALUES ('
+ '((SELECT MAX(COO_ID) FROM ' + db_t_coordinator + ') + 1),'
+ #39 + ACoo.coo_name + #39 + ', '
+ #39 + ACoo.coo_comport + #39 + ', '
+ #39 + ACoo.coo_ip + #39 + ', '
+ #39 + ACoo.coo_address + #39 + ', '
+ #39 + ACoo.coo_position + #39 + ', '
+ #39 + ACoo.coo_comment + #39 + ')');
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.UpdateCoordinatorToDb(ACoo: TCoordinator): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'UPDATE ' + db_t_coordinator + ' SET '
+ 'COO_NAME = ' + #39 + ACoo.coo_name + #39 + ', '
+ 'COO_COMPORT = ' + #39 + ACoo.coo_comport + #39 + ', '
+ 'COO_IP = ' + #39 + ACoo.coo_ip + #39 + ', '
+ 'COO_ADDRESS = ' + #39 + ACoo.coo_address + #39 + ', '
+ 'COO_POSITION = ' + #39 + ACoo.coo_position + #39 + ', '
+ 'COO_COMMENT = ' + #39 + ACoo.coo_comment + #39
+ ' WHERE COO_ID = ' + intToStr(ACoo.coo_id));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.DeleteCoordinatorToDb(const AId: Integer): boolean;
begin
Result := false;
if (AId > 0) then
if GetDbConnection then
try
setDbQuery(FDbClient, 'DELETE FROM ' + db_t_coordinator
+ ' WHERE COO_ID = ' + intToStr(AId));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.InsertNewCryoClass(const AClassName: string): integer;
function GetClassID(AClassName: string): integer;
var i: integer;
begin
SetDBQuery(FDbClient, Format('SELECT ILC_ID FROM HLM_ILMCLASS ' +
'WHERE ILC_NAME=%s', [AClassName]));
if FDbClient.Open then
try
if FDbClient.Active then
result := FDbClient.FieldByName('ILC_ID').AsInteger
else
raise Exception.Create(Format(EClassConvertError, [AClassName]));
finally
FDbClient.Close;
end
else
SQLError(FDbClient, EOpenClient);
end;
begin
result := -1;
if GetDbConnection then
begin
SetDbQuery(FDbClient,
Format('insert into hlm_ilmclass(ilc_name) ' +
'values(''%s'')', [AClassName]));
if not(FDbClient.Submit) then
raise Exception(Format(ESubmitSQL, [FDbClient.GetErrorBuffer.Message]));
result := GetClassID(AClassName);
end;
end;
function TDataMgmt.InsertIlmDeviceToDb(ADev: TCryostat): boolean;
function GetClassID(AClassName: string): integer;
var i: integer;
begin
SetDBQuery(FDbClient, Format('SELECT ILC_ID FROM HLM_ILMCLASS ' +
'WHERE ILC_NAME=%s', [AClassName]));
if FDbClient.Open then
try
if FDbClient.Active then
result := FDbClient.FieldByName('ILC_ID').AsInteger
else
raise Exception.Create(Format(EClassConvertError, [AClassName]));
finally
FDbClient.Close;
end
else
SQLError(FDbClient, EOpenClient);
end;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'INSERT INTO ' + db_t_device + ' VALUES ('
+ '((SELECT MAX(ILD_ID) FROM ' + db_t_device + ') + 1),'
+ #39 + ADev.dev_name + #39 + ', '
+ #39 + ADev.dev_address + #39 + ', '
+ #39 + ADev.dev_comment + #39 + ', '
+ BoolToNumber(ADev.dev_ch1_enabled) + ', '
+ #39 + ADev.dev_ch1_gas + #39 + ', '
+ floatToDbFloat(ADev.dev_ch1_span) + ', '
+ floatToDbFloat(ADev.dev_ch1_zero) + ', '
+ BoolToNumber(ADev.dev_ch2_enabled) + ', '
+ #39 + ADev.dev_ch2_gas + #39 + ', '
+ floatToDbFloat(ADev.dev_ch2_span) + ', '
+ floatToDbFloat(ADev.dev_ch2_zero) + ', '
+ BoolToNumber(ADev.dev_ch3_enabled) + ', '
+ #39 + ADev.dev_ch3_gas + #39 + ', '
+ floatToDbFloat(ADev.dev_ch3_span) + ', '
+ floatToDbFloat(ADev.dev_ch3_zero) + ', '
+ IntToStr(ADev.dev_Class)+ ')');
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.UpdateIlmDeviceToDb(ADev: TCryostat): boolean;
begin
Result := false;
if GetDbConnection then
try
setDbQuery(FDbClient, 'UPDATE ' + db_t_device + ' SET '
+ 'ILD_NAME = ' + #39 + ADev.dev_name + #39 + ', '
+ 'ILD_ADDRESS = ' + #39 + ADev.dev_address + #39 + ', '
+ 'ILD_COMMENT = ' + #39 + ADev.dev_comment + #39 + ', '
+ 'ILD_CH1_ENABLED = ' + BoolToNumber(ADev.dev_ch1_enabled) + ', '
+ 'ILD_CH1_SUBSTANCE = ' + #39 + ADev.dev_ch1_gas + #39 + ', '
+ 'ILD_CH1_SPAN = ' + floatToDbFloat(ADev.dev_ch1_span) + ', '
+ 'ILD_CH1_ZERO = ' + floatToDbFloat(ADev.dev_ch1_zero) + ', '
+ 'ILD_CH2_ENABLED = ' + BoolToNumber(ADev.dev_ch2_enabled) + ', '
+ 'ILD_CH2_SUBSTANCE = ' + #39 + ADev.dev_ch2_gas + #39 + ', '
+ 'ILD_CH2_SPAN = ' + floatToDbFloat(ADev.dev_ch2_span) + ', '
+ 'ILD_CH2_ZERO = ' + floatToDbFloat(ADev.dev_ch2_zero) + ', '
+ 'ILD_CH3_ENABLED = ' + BoolToNumber(ADev.dev_ch3_enabled) + ', '
+ 'ILD_CH3_SUBSTANCE = ' + #39 + ADev.dev_ch3_gas + #39 + ', '
+ 'ILD_CH3_SPAN = ' + floatToDbFloat(ADev.dev_ch3_span) + ', '
+ 'ILD_CH3_ZERO = ' + floatToDbFloat(ADev.dev_ch3_zero) + ', '
+ 'ILD_CLASS = ' + IntToStr(ADev.dev_class)
+ ' WHERE ILD_ID = ' + intToStr(ADev.dev_id));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.DeleteIlmDeviceToDb(const AId: integer): boolean;
begin
Result := false;
if (AId > 0) then
if GetDbConnection then
try
setDbQuery(FDbClient, 'DELETE FROM ' + db_t_device
+ ' WHERE ILD_ID = ' + intToStr(AId));
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
function TDataMgmt.SqlCommand(const AQuery: string): boolean;
begin
Result := false;
if not (AQuery = '') then
if GetDbConnection then
try
setDbQuery(FDbClient, AQuery);
if not(FDbClient.Submit) then
SQLError(FDbClient, ESubmitSQL);
Result := true;
finally
end;
end;
procedure TDataMgmt.SQLError(const AObj: ISQLImplementor;
const AMessage: string);
var
lMsg: string;
lErrBuffer: IException;
begin
lErrBuffer := AObj.GetErrorBuffer;
if Assigned(lErrBuffer) then
try
lMsg := Format('%s, message: %s', [AMessage, lErrBuffer.Message]);
finally
lErrBuffer := nil;
end
else
lMsg := Format(AMessage, ['No error message']);
if Assigned(FLogErrorProc) then
FLogErrorProc(lMsg)
else
raise Exception.Create(lMsg);
end;
function TDataMgmt.GetRegisteredCryoClasses: TStringList;
function GetClassName(AID: integer): string;
begin
SetDBQuery(FDbClient, Format('SELECT ILC_NAME FROM HLM_ILMCLASS ' +
'WHERE ILC_ID=%d', [AID]));
if FDbClient.Open then
try
if FDbClient.Active then
result := FDbClient.FieldByName('ILC_NAME').AsString
else
raise Exception.Create(Format(EKeyConvertError, [AID]));
finally
FDbClient.Close;
end
else
SQLError(FDbClient, EOpenClient);
end;
begin
result := TStringList.Create;
if GetDbConnection then
begin
SetDBQuery(FDbClient , 'SELECT * FROM HLM_ILMCLASS');
try
if FDbClient.Open then
begin
if FDbClient.Active then
with FDbClient do
while not Eof do
begin
result.AddObject(FieldByName('ILC_NAME').AsString, Pointer(FieldByName('ILC_ID').AsInteger));
Next;
end;
end
else
SQLError(FDbClient, EOpenClient);
finally
FDbClient.Close;
end;
end;
end;
function TDataMgmt.RefreshVesListByDB: boolean;
var LVesList: TObjectList;
LVessel: TVessel;
i: integer;
function CompareVes(Item1: Pointer; Item2: Pointer): integer;
begin
Result := CompareValue(TVessel(Item1).ves_name, TVessel(Item2).ves_name);
end;
begin
Result := false;
LVesList := TObjectList.Create(false);
if GetDbConnection then
try
for i := 0 to FVesList.Count - 1 do LVesList.Add(FVesList[i]);
setDbQuery(FDbClient, 'SELECT * FROM ' + db_t_type
+ ' RIGHT OUTER JOIN ' + db_t_hen2_vessel
+ ' ON V_T_ID = T_ID'
+ ' LEFT OUTER JOIN ' + db_t_weighing
+ ' ON W_V_ID = V_ID '
+ ' LEFT OUTER JOIN ' + db_t_hlm_vessel
+ ' ON VES_V_ID = V_ID'
+ ' WHERE T_SUBSTANCE = ' + #39 + 'He' + #39
+ ' AND W_ARRIVING_DATE ='
+ ' (SELECT MAX(W_ARRIVING_DATE) FROM ' + db_t_weighing
+ ' WHERE W_V_ID = V_ID)'
+ ' ORDER BY UPPER(V_NAME)');
if FDbClient.Open then
begin
Result := FDbClient.Active;
if Result then
with FDbClient do
while not Eof do
begin
i := GetVesIndex(FieldByName('V_ID').AsInteger);
if (i = -1) then
begin
LVessel := TVessel.Create;
FVesList.Add(LVessel);
LVessel.ves_id := FieldByName('V_ID').AsInteger;
LVessel.ves_he_level := 255;
LVessel.ves_pressure := 0;
LVessel.ves_position := '';
end
else begin
LVessel := TVessel(FVesList[i]);
LVesList[i] := nil;
end;
LVessel.ves_type_id := FieldByName('T_ID').AsInteger;
LVessel.ves_name := FieldByName('V_NAME').AsInteger;
LVessel.ves_type := FieldByName('T_NAME').AsString;
LVessel.ves_volume := FieldByName('T_VOLUME').AsFloat;
LVessel.ves_tare := FieldByName('V_TARE').AsFloat;
LVessel.ves_comment1 := FieldByName('V_COMMENT').AsString;
if (FieldByName('W_LEAVING_DATE').AsString = '')
then LVessel.ves_at_hzb_since := FieldByName('W_ARRIVING_DATE').AsString
else LVessel.ves_at_hzb_since := '';
LVessel.ves_options_in_db := FieldByName('VES_V_ID').AsInteger > 0;
if LVessel.ves_options_in_db then
begin
LVessel.ves_shortinterval := FieldByName('VES_SHORTINTERVAL').AsInteger;
LVessel.ves_longinterval := FieldByName('VES_LONGINTERVAL').AsInteger;
LVessel.ves_minresistance := FieldByName('VES_MINRESISTANCE').AsFloat;
LVessel.ves_maxresistance := FieldByName('VES_MAXRESISTANCE').AsFloat;
LVessel.ves_heattime := FieldByName('VES_HEATTIME').AsInteger;
LVessel.ves_adcloops := FieldByName('VES_ADCLOOP').AsInteger;
LVessel.ves_filltimeout := FieldByName('VES_FILLTIMEOUT').AsInteger;
LVessel.ves_span := FieldByName('VES_SPAN').AsInteger;
LVessel.ves_zero := FieldByName('VES_ZERO').AsInteger;
LVessel.ves_comment2 := FieldByName('VES_COMMENT').AsString;
end;
Next;
end;
end
else
SQLError(FDbClient, EOpenClient);
for i := LVesList.Count - 1 downto 0 do
if Assigned(LVesList[i]) then
begin
LVesList[i] := nil;
FVesList.Delete(i);
end;
FVesList.Sort(@CompareVes);
finally
FDbClient.Close;
end;
LVesList.Free;