public static void Save()
{
if (_lockFile == null)
{
TraceLog.WriteLine("Lock file has not been acquired. Work document collection cannot be saved. ");
return;
}
lock (Instance)
{
CleanEmptyBindVariables();
_allowBackupOverwrite &= File.Exists(_fileName);
if (_allowBackupOverwrite)
{
File.Copy(_fileName, _backupFileName, true);
}
using (var file = File.Create(_fileName))
{
Serializer.Serialize(file, Instance);
}
if (_allowBackupOverwrite)
{
File.Delete(_backupFileName);
}
}
}
static MetadataCache()
{
if (!Directory.Exists(ConfigurationProvider.FolderNameMetadataCache))
{
Directory.CreateDirectory(ConfigurationProvider.FolderNameMetadataCache);
}
if (!File.Exists(CacheConfigrationFileName))
{
DatabaseModelCacheConfiguration = new DatabaseModelCacheConfiguration();
}
else
{
try
{
using (var stream = File.OpenRead(CacheConfigrationFileName))
{
DatabaseModelCacheConfiguration = (DatabaseModelCacheConfiguration)Serializer.Deserialize(stream);
}
}
catch
{
try
{
File.Delete(CacheConfigrationFileName);
DatabaseModelCacheConfiguration = new DatabaseModelCacheConfiguration();
}
catch (Exception e)
{
TraceLog.WriteLine("DatabaseModelCacheConfiguration deserialization failed: " + e);
}
}
}
}
private async Task ExportNextBatch(IDataExportContext exportContext, ExportResultInfo exportResultInfo, CancellationToken cancellationToken)
{
Task <IReadOnlyList <object[]> > innerTask = null;
var batchSize = ConfigurationProvider.Configuration.ResultGrid.FetchRowsBatchSize - exportContext.CurrentRowIndex % ConfigurationProvider.Configuration.ResultGrid.FetchRowsBatchSize;
var exception = await App.SafeActionAsync(() => innerTask = _outputViewer.ConnectionAdapter.FetchRecordsAsync(exportResultInfo.ResultInfo, (int)batchSize, cancellationToken));
if (exception != null)
{
var errorMessage = Messages.GetExceptionErrorMessage(exception);
_outputViewer.AddExecutionLog(DateTime.Now, $"Row retrieval failed: {errorMessage}");
Messages.ShowError(errorMessage);
}
else
{
try
{
await exportContext.AppendRowsAsync(innerTask.Result);
}
catch (OperationCanceledException)
{
TraceLog.WriteLine("User has canceled export operation. ");
return;
}
finally
{
exportResultInfo.RowCount = exportContext.CurrentRowIndex;
exportResultInfo.RefreshFileSize();
}
await _outputViewer.UpdateExecutionStatisticsIfEnabled();
}
}
public static void StoreDatabaseModelCache(string cacheKey, Action <Stream> storeAction)
{
if (DatabaseModelCacheConfiguration == null)
{
return;
}
lock (DatabaseModelCacheConfiguration)
{
if (!DatabaseModelCacheConfiguration.Files.TryGetValue(cacheKey, out CacheFile cacheFile))
{
DatabaseModelCacheConfiguration.Files[cacheKey] =
cacheFile = new CacheFile {
FileName = Thread.CurrentThread.ManagedThreadId + DateTime.Now.Ticks.ToString(CultureInfo.InvariantCulture) + ".dat"
};
}
var timer = Stopwatch.StartNew();
var fileName = GetFullFileName(cacheFile.FileName);
using (var stream = File.Create(fileName))
{
storeAction(stream);
}
timer.Stop();
TraceLog.WriteLine($"Cache for '{cacheKey}' stored to '{fileName}' ({DataSpaceConverter.PrettyPrint(new FileInfo(fileName).Length, CultureInfo.InvariantCulture)}) in {timer.Elapsed}. ");
using (var stream = File.Create(CacheConfigrationFileName))
{
Serializer.Serialize(stream, DatabaseModelCacheConfiguration);
}
}
}
public static void CancelOnEscape(this CancellationTokenSource cancellationTokenSource, Key key)
{
if (key != Key.Escape)
{
return;
}
TraceLog.WriteLine("Action is about to cancel. ");
cancellationTokenSource.Cancel();
}
internal void SaveWorkingDocuments()
{
foreach (var document in AllDocuments)
{
document.SaveWorkingDocument();
document.WorkDocument.TabIndex = DocumentTabControl.Items.IndexOf(document.TabItem);
}
WorkDocumentCollection.StoreWindowProperties(this);
WorkDocumentCollection.Save();
TraceLog.WriteLine($"Working document collection saved. ");
}
private void IsVisibleChangedHandler(object sender, DependencyPropertyChangedEventArgs args)
{
_refreshTimer.IsEnabled = (bool)args.NewValue;
if (_sessionDetailViewer != null)
{
_sessionDetailViewer.AutoRefreshEnabled = _refreshTimer.IsEnabled;
}
var timerState = _refreshTimer.IsEnabled ? "enabled" : "disabled";
TraceLog.WriteLine($"Session monitor auto-refresh has been {timerState}. ");
}
private static void UnhandledExceptionHandlerInternal(object exceptionObject)
{
CreateErrorLog(exceptionObject);
try
{
var mainWindow = (MainWindow)Current.MainWindow;
mainWindow.SaveWorkingDocuments();
}
catch (Exception exception)
{
TraceLog.WriteLine($"Working documents save failed: {exception}");
}
}
public void Validate()
{
if (!ResultGrid.FetchRowsBatchSizeSpecified || ResultGrid.FetchRowsBatchSize == 0)
{
ResultGrid.FetchRowsBatchSize = DefaultRowBatchSize;
}
if (String.IsNullOrEmpty(ResultGrid.NullPlaceholder))
{
ResultGrid.NullPlaceholder = DefaultNullValuePlaceholder;
}
editorField = editorField ?? new ConfigurationEditor();
if (!editorField.IndentationSizeSpecified || editorField.IndentationSize == 0)
{
editorField.IndentationSize = DefaultIndentationSize;
}
miscellaneousField = miscellaneousField ?? new ConfigurationMiscellaneous();
if (!miscellaneousField.MaximumHistoryEntriesSpecified || miscellaneousField.MaximumHistoryEntries == 0)
{
miscellaneousField.MaximumHistoryEntries = DefaultMaximumHistoryEntries;
}
if (!miscellaneousField.MaximumHistoryEntrySizeSpecified || miscellaneousField.MaximumHistoryEntrySize == 0)
{
miscellaneousField.MaximumHistoryEntrySize = DefaultMaximumHistoryEntrySize;
}
if (String.IsNullOrEmpty(resultGridField.DateFormat))
{
return;
}
try
{
TraceLog.WriteLine($"DateTime format test '{resultGridField.DateFormat}' => {DateTime.Now.ToString(resultGridField.DateFormat)} succeeded. ");
}
catch
{
var dateFormat = CultureInfo.CurrentUICulture.DateTimeFormat.UniversalSortableDateTimePattern;
TraceLog.WriteLine($"DateFormat mask '{resultGridField.DateFormat}' is invalid. Using system UI culture - {dateFormat} ({DateTime.Now}). ");
resultGridField.DateFormat = dateFormat;
}
}
public static void CloseDocument(WorkDocument workDocument)
{
ValidateWorkingDocument(workDocument);
AddRecentDocument(workDocument);
try
{
Instance._workingDocuments.Remove(workDocument.DocumentId);
Save();
}
catch (Exception e)
{
TraceLog.WriteLine("Close working document failed: " + e);
}
}
static App()
{
AppDomain.CurrentDomain.UnhandledException += UnhandledExceptionHandler;
var assembly = typeof(App).Assembly;
Version = assembly.GetName().Version.ToString();
var buildInfo = assembly.GetCustomAttribute <AssemblyBuildInfo>();
VersionTimestamp = buildInfo.VersionTimestampString;
Title = $"SQL Pad {Version} ALPHA ({VersionTimestamp})";
TraceLog.WriteLine(Title);
if (WorkDocumentCollection.WorkingDocuments.Count > 0)
{
AdjustThreadPool(WorkDocumentCollection.WorkingDocuments.Count);
}
}
public void AddStatementExecution(StatementExecutionHistoryEntry entry)
{
var maximumHistoryEntries = ConfigurationProvider.Configuration.Miscellaneous.MaximumHistoryEntries;
if (!StatementExecutionHistory.Remove(entry) && StatementExecutionHistory.Count >= maximumHistoryEntries)
{
var recordsToRemove = StatementExecutionHistory.OrderByDescending(r => r.ExecutedAt).Skip(maximumHistoryEntries - 1).ToArray();
foreach (var oldRecord in recordsToRemove)
{
StatementExecutionHistory.Remove(oldRecord);
}
TraceLog.WriteLine($"Statement execution history limit of {maximumHistoryEntries} entries has been reached. Oldest entries have been removed. ");
}
StatementExecutionHistory.Add(entry);
}
private static void Initialize()
{
ReleaseConfigurationLock();
try
{
_lockFile = new FileStream(Path.Combine(ConfigurationProvider.FolderNameWorkArea, LockFileName), FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);
}
catch (Exception e)
{
TraceLog.WriteLine("Configuration lock aquire failed: " + e);
}
if (!ReadConfiguration(_fileName))
{
_allowBackupOverwrite = ReadConfiguration(_backupFileName);
}
if (_instance == null)
{
_instance = new WorkDocumentCollection();
}
else
{
if (_instance._workingDocuments == null)
{
_instance._workingDocuments = new Dictionary <Guid, WorkDocument>();
}
if (_instance._recentFiles == null)
{
_instance._recentFiles = new List <WorkDocument>();
}
if (_instance._windowConfigurations == null)
{
_instance._windowConfigurations = new Dictionary <Type, WindowProperties>();
}
}
if (_instance._databaseProviderConfigurations == null)
{
_instance._databaseProviderConfigurations = new Dictionary <string, DatabaseProviderConfiguration>();
}
}
private static void AdjustThreadPool(int requiredThreads)
{
var minSize = requiredThreads - 1;
minSize |= minSize >> 1;
minSize |= minSize >> 2;
minSize |= minSize >> 4;
minSize |= minSize >> 8;
minSize |= minSize >> 16;
minSize++;
minSize = Math.Max(minSize, 8);
minSize = Math.Min(minSize, 128);
ThreadPool.SetMinThreads(minSize, 8);
TraceLog.WriteLine($"Minimum of {requiredThreads} threads required to handle active documents. Thread pool minimum size adjusted to {minSize}. ");
}
private void UpdateHistoryEntries()
{
var maximumHistoryEntrySize = ConfigurationProvider.Configuration.Miscellaneous.MaximumHistoryEntrySize;
foreach (var statementResult in _executionResult.StatementResults.Where(r => r.ExecutedAt.HasValue))
{
var executionHistoryRecord = new StatementExecutionHistoryEntry(statementResult.StatementModel.StatementText, statementResult.ExecutedAt.Value);
if (executionHistoryRecord.StatementText.Length <= maximumHistoryEntrySize)
{
_providerConfiguration.AddStatementExecution(executionHistoryRecord);
}
else
{
TraceLog.WriteLine($"Executed statement not stored in the execution history. The maximum allowed size is {maximumHistoryEntrySize} characters while the statement has {executionHistoryRecord.StatementText.Length} characters. ");
}
}
}
private static void ConfigurationChangedHandler(object sender, FileSystemEventArgs fileSystemEventArgs)
{
var writeTime = File.GetLastWriteTimeUtc(fileSystemEventArgs.FullPath);
if (writeTime == _lastConfigurationFileChange)
{
return;
}
Thread.Sleep(100);
_lastConfigurationFileChange = writeTime;
TraceLog.WriteLine("Configuration file has changed. ");
if (Configure())
{
ConfigurationChanged?.Invoke(Configuration, EventArgs.Empty);
}
}
private static bool Configure()
{
try
{
if (!File.Exists(ConfigurationFilePath))
{
return(false);
}
using (var reader = XmlReader.Create(ConfigurationFilePath))
{
Configuration = (Configuration)XmlSerializer.Deserialize(reader);
Configuration.Validate();
return(true);
}
}
catch (Exception e)
{
TraceLog.WriteLine("Configuration loading failed: " + e);
return(false);
}
}
public async Task SaveExecutionResult(StatementExecutionBatchResult executionResult)
{
IsWaitingForResult = false;
IsExecuting = true;
_exportClockTimer.Start();
_exportResultInfoCollection.Clear();
var commandNumber = 0;
foreach (var statementResult in executionResult.StatementResults)
{
commandNumber++;
var resultNumber = 0;
foreach (var kvp in statementResult.ResultInfoColumnHeaders)
{
resultNumber++;
var exportResultInfo = new ExportResultInfo(commandNumber, resultNumber, kvp.Key, kvp.Value);
_exportResultInfoCollection.Add(exportResultInfo);
}
}
var exception = await App.SafeActionAsync(() => _outputViewer.ExecuteUsingCancellationToken(ExportRows));
_exportClockTimer.Stop();
IsExecuting = false;
if (exception != null)
{
TraceLog.WriteLine($"Saving result to file failed: {exception}");
CancelWaitingResults();
Messages.ShowError(exception.Message);
}
}
private static bool ReadConfiguration(string fileName)
{
if (!File.Exists(fileName))
{
return(true);
}
using (var file = File.OpenRead(fileName))
{
try
{
_instance = (WorkDocumentCollection)Serializer.Deserialize(file, _instance, typeof(WorkDocumentCollection));
TraceLog.WriteLine($"WorkDocumentCollection ({_instance._workingDocuments.Count} document(s)) successfully loaded from '{fileName}'. ");
return(true);
}
catch (Exception e)
{
TraceLog.WriteLine($"WorkDocumentCollection deserialization from '{fileName}' failed: {e}");
}
}
return(false);
}
private async Task SetEditorValue()
{
var largeTextValue = _largeValue as ILargeTextValue;
var collectionValue = _largeValue as ICollectionValue;
var complexType = _largeValue as IComplexType;
try
{
if (largeTextValue != null)
{
TabText.Visibility = Visibility.Visible;
TabText.IsSelected = true;
_isXml = true;
using (var reader = new XmlTextReader(new StringReader(largeTextValue.Value)))
{
try
{
while (reader.Read())
{
}
}
catch
{
_isXml = false;
}
}
_isJson = true;
try
{
JToken.Parse(largeTextValue.Value);
}
catch (Exception)
{
_isJson = false;
}
TextEditor.Text = largeTextValue.Value;
if (_isXml)
{
TextEditor.SyntaxHighlighting = XmlHighlightingDefinition;
}
else if (_isJson)
{
TextEditor.SyntaxHighlighting = HighlightingManager.Instance.GetDefinition(SyntaxHighlightingNameJavaScript);
}
TabRaw.Visibility = Visibility.Visible;
await DisplayRawData(Encoding.UTF8.GetBytes(largeTextValue.Value));
}
else if (_largeBinaryValue != null)
{
TabRaw.Visibility = Visibility.Visible;
TabRaw.IsSelected = true;
await DisplayRawData(_largeBinaryValue.Value);
ButtonSaveRawAs.Visibility = Visibility.Visible;
}
else if (collectionValue != null)
{
TabCollection.Visibility = Visibility.Visible;
TabCollection.IsSelected = true;
var columnTemplate = DataGridHelper.CreateDataGridTemplateColumn(collectionValue.ColumnHeader);
CollectionViewer.Columns.Add(columnTemplate);
CollectionViewer.ItemsSource = collectionValue.Records.Cast <object>().Select(r => new [] { r }).ToArray();
}
else if (complexType != null)
{
TabComplexType.Visibility = Visibility.Visible;
TabComplexType.IsSelected = true;
ComplexTypeViewer.ComplexType = complexType;
}
}
catch (OperationCanceledException)
{
TraceLog.WriteLine("User has canceled large data editor load operation. ");
Close();
}
catch (Exception e)
{
Messages.ShowError(e.Message, owner: this);
Close();
}
}
