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Comparing ibx/trunk/examples/services/LimboTransactionsUnit.pas (file contents):
Revision 45 by tony, Tue Dec 6 10:33:46 2016 UTC vs.
Revision 380 by tony, Mon Jan 10 10:13:17 2022 UTC

#	Line 1 | Line 1
1	+	(*
2	+	*  IBX For Lazarus (Firebird Express)
3	+	*
4	+	*  The contents of this file are subject to the Initial Developer's
5	+	*  Public License Version 1.0 (the "License"); you may not use this
6	+	*  file except in compliance with the License. You may obtain a copy
7	+	*  of the License here:
8	+	*
9	+	*    http://www.firebirdsql.org/index.php?op=doc&id=idpl
10	+	*
11	+	*  Software distributed under the License is distributed on an "AS
12	+	*  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13	+	*  implied. See the License for the specific language governing rights
14	+	*  and limitations under the License.
15	+	*
16	+	*  The Initial Developer of the Original Code is Tony Whyman.
17	+	*
18	+	*  The Original Code is (C) 2015 Tony Whyman, MWA Software
19	+	*  (http://www.mwasoftware.co.uk).
20	+	*
21	+	*  All Rights Reserved.
22	+	*
23	+	*  Contributor(s): ______________________________________.
24	+	*
25	+	*)
26	+
27		unit LimboTransactionsUnit;
28
29		{$mode objfpc}{$H+}
#	Line 6 | Line 32 | interface
32
33		uses
34		Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
35	<	Grids, IBServices;
35	>	ActnList, db, IBXServices, IBDynamicGrid;
36
37		type
38		{ TLimboTransactionsForm }
39
40		TLimboTransactionsForm = class(TForm)
41	+	ApplySelectedAction: TAction;
42	+	Commit2PhaseAll: TAction;
43	+
44	+	IBXLimboTransactionResolutionService1: TIBXLimboTransactionResolutionService;
45	+	InLimboList: TIBXServicesLimboTransactionsList;
46	+	RollbackAll: TAction;
47	+	CommitAll: TAction;
48	+	ActionList1: TActionList;
49		Button1: TButton;
50		Button2: TButton;
51		Button3: TButton;
52		Button4: TButton;
53	<	IBValidationService1: TIBValidationService;
54	<	Label1: TLabel;
55	<	StringGrid1: TStringGrid;
56	<	procedure Button1Click(Sender: TObject);
57	<	procedure Button2Click(Sender: TObject);
58	<	procedure Button3Click(Sender: TObject);
59	<	procedure Button4Click(Sender: TObject);
53	>	Button5: TButton;
54	>	IBDynamicGrid3: TIBDynamicGrid;
55	>	Label38: TLabel;
56	>	Label39: TLabel;
57	>	LimboListSource: TDataSource;
58	>	LimboReport: TMemo;
59	>	procedure ApplySelectedActionExecute(Sender: TObject);
60	>	procedure Commit2PhaseAllExecute(Sender: TObject);
61	>	procedure CommitAllExecute(Sender: TObject);
62	>	procedure CommitAllUpdate(Sender: TObject);
63	>	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
64		procedure FormShow(Sender: TObject);
65	<	procedure StringGrid1EditingDone(Sender: TObject);
65	>	procedure RollbackAllExecute(Sender: TObject);
66		private
67		{ private declarations }
68		procedure DoRefresh(Data: PtrInt);
31	–	function StateToStr(State: TTransactionState): string;
32	–	function AdviseToStr(Advise: TTransactionAdvise): string;
33	–	function ActionToStr(anAction: TTransactionAction): string;
34	–	procedure RunGFix;
69		public
70		{ public declarations }
71		end;
#	Line 43 | Line 77 | implementation
77
78		{$R *.lfm}
79
46	–	uses Unit1;
47	–
80		{ TLimboTransactionsForm }
81
82		procedure TLimboTransactionsForm.FormShow(Sender: TObject);
83		begin
84		Application.QueueAsyncCall(@DoRefresh,0);
85	+	LimboReport.Lines.Clear;
86		end;
87
88	<	procedure TLimboTransactionsForm.Button1Click(Sender: TObject);
56	<	begin
57	<	IBValidationService1.GlobalAction := CommitGlobal;
58	<	RunGFix;
59	<	end;
60	<
61	<	procedure TLimboTransactionsForm.Button2Click(Sender: TObject);
88	>	procedure TLimboTransactionsForm.RollbackAllExecute(Sender: TObject);
89		begin
90	<	IBValidationService1.GlobalAction := RollbackGlobal;
64	<	RunGFix;
90	>	InLimboList.FixErrors(RollbackGlobal,LimboReport.Lines);
91		end;
92
93	<	procedure TLimboTransactionsForm.Button3Click(Sender: TObject);
93	>	procedure TLimboTransactionsForm.ApplySelectedActionExecute(Sender: TObject);
94		begin
95	<	IBValidationService1.GlobalAction := NoGlobalAction;
70	<	RunGFix;
95	>	InLimboList.FixErrors(NoGlobalAction,LimboReport.Lines);
96		end;
97
98	<	procedure TLimboTransactionsForm.Button4Click(Sender: TObject);
98	>	procedure TLimboTransactionsForm.Commit2PhaseAllExecute(Sender: TObject);
99		begin
100	<	IBValidationService1.GlobalAction := RecoverTwoPhaseGlobal;
76	<	RunGFix;
100	>	InLimboList.FixErrors(RecoverTwoPhaseGlobal,LimboReport.Lines);
101		end;
102
103	<	procedure TLimboTransactionsForm.StringGrid1EditingDone(Sender: TObject);
103	>	procedure TLimboTransactionsForm.CommitAllExecute(Sender: TObject);
104		begin
105	<	with StringGrid1, IBValidationService1 do
82	<	if col = 7 then
83	<	begin
84	<	if Cells[7,row] = 'Commit' then
85	<	LimboTransactionInfo[row-1].Action := CommitAction
86	<	else
87	<	if Cells[7,row] = 'Rollback' then
88	<	LimboTransactionInfo[row-1].Action := RollbackAction
89	<	end;
105	>	InLimboList.FixErrors(CommitGlobal,LimboReport.Lines);
106		end;
107
108	<	procedure TLimboTransactionsForm.DoRefresh(Data: PtrInt);
93	<	var i: integer;
108	>	procedure TLimboTransactionsForm.CommitAllUpdate(Sender: TObject);
109		begin
110	<	with IBValidationService1 do
96	<	begin
97	<	Active := true;
98	<	ServiceStart;
99	<	FetchLimboTransactionInfo;
100	<	StringGrid1.RowCount := LimboTransactionInfoCount + 1;
101	<	for i := 0 to LimboTransactionInfoCount - 1 do
102	<	with LimboTransactionInfo[i] do
103	<	begin
104	<	StringGrid1.Cells[0,i+1] := IntToStr(ID);
105	<	if MultiDatabase then
106	<	StringGrid1.Cells[1,i+1] := 'Multi DB'
107	<	else
108	<	StringGrid1.Cells[1,i+1] := 'Single DB';
109	<	StringGrid1.Cells[2,i+1] := HostSite;
110	<	StringGrid1.Cells[3,i+1] := RemoteSite;
111	<	StringGrid1.Cells[4,i+1] := RemoteDatabasePath;
112	<	StringGrid1.Cells[5,i+1] := StateToStr(State);
113	<	StringGrid1.Cells[6,i+1] := AdviseToStr(Advise);
114	<	StringGrid1.Cells[7,i+1] := ActionToStr(Action);
115	<	end;
116	<	end;
110	>	(Sender as TAction).Enabled := InLimboList.Active and (InLimboList.RecordCount > 0);
111		end;
112
113	<	function TLimboTransactionsForm.StateToStr(State: TTransactionState): string;
113	>	procedure TLimboTransactionsForm.FormClose(Sender: TObject;
114	>	var CloseAction: TCloseAction);
115		begin
116	<	case State of
122	<	LimboState:
123	<	Result := 'Limbo';
124	<	CommitState:
125	<	Result := 'Commit';
126	<	RollbackState:
127	<	Result := 'Rollback';
128	<	else
129	<	Result := 'Unknown';
130	<	end;
116	>	InLimboList.Active := false;
117		end;
118
119	<	function TLimboTransactionsForm.AdviseToStr(Advise: TTransactionAdvise): string;
134	<	begin
135	<	case Advise of
136	<	CommitAdvise:
137	<	Result := 'Commit';
138	<	RollbackAdvise:
139	<	Result := 'Rollback';
140	<	else
141	<	Result := 'Unknown';
142	<	end;
143	<	end;
144	<
145	<	function TLimboTransactionsForm.ActionToStr(anAction: TTransactionAction
146	<	): string;
147	<	begin
148	<	case anAction of
149	<	CommitAction:
150	<	Result := 'Commit';
151	<	RollbackAction:
152	<	Result := 'Rollback';
153	<	end;
154	<	end;
155	<
156	<	procedure TLimboTransactionsForm.RunGFix;
119	>	procedure TLimboTransactionsForm.DoRefresh(Data: PtrInt);
120		begin
121	<	with IBValidationService1 do
122	<	begin
160	<	Form1.Memo1.Lines.Add('Starting Limbo transaction resolution');
161	<	FixLimboTransactionErrors;
162	<	while not Eof do
163	<	begin
164	<	Form1.Memo1.Lines.Add(GetNextLine);
165	<	Application.ProcessMessages;
166	<	end;
167	<	Form1.Memo1.Lines.Add('Limbo Transaction resolution complete');
168	<	Application.QueueAsyncCall(@DoRefresh,0);
169	<	end;
121	>	InLimboList.Active := false;
122	>	InLimboList.Active := true;
123		end;
124
125		end.

Comparing ibx/trunk/examples/services/LimboTransactionsUnit.pas (property svn:eol-style):
Revision 45 by tony, Tue Dec 6 10:33:46 2016 UTC vs.
Revision 380 by tony, Mon Jan 10 10:13:17 2022 UTC

#	Line 0 | Line 1
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