public SQLitePersistentStorage(
string workingFolderPath,
string solutionFilePath,
string databaseFile,
IDisposable dbOwnershipLock,
IPersistentStorageFaultInjector?faultInjectorOpt)
: base(workingFolderPath, solutionFilePath, databaseFile)
{
_dbOwnershipLock = dbOwnershipLock;
_faultInjectorOpt = faultInjectorOpt;
_solutionAccessor = new SolutionAccessor(this);
_projectAccessor = new ProjectAccessor(this);
_documentAccessor = new DocumentAccessor(this);
_select_star_from_string_table = $@"select * from {StringInfoTableName}";
_insert_into_string_table_values_0 = $@"insert into {StringInfoTableName}(""{DataColumnName}"") values (?)";
_select_star_from_string_table_where_0_limit_one = $@"select * from {StringInfoTableName} where (""{DataColumnName}"" = ?) limit 1";
// Create a delay to batch up requests to flush. We'll won't flush more than every FlushAllDelayMS.
_flushQueue = new AsyncBatchingDelay(
TimeSpan.FromMilliseconds(FlushAllDelayMS),
FlushInMemoryDataToDiskIfNotShutdownAsync,
asyncListener: null,
_shutdownTokenSource.Token);
}
public OpenSourceGeneratedFile(SourceGeneratedFileManager fileManager, ITextBuffer textBuffer, Workspace workspace, ProjectId projectId, string generatorTypeName, string generatorAssemblyName, string generatedSourceHintName, IThreadingContext threadingContext)
: base(threadingContext, assertIsForeground: true)
{
_fileManager = fileManager;
_textBuffer = textBuffer;
_workspace = workspace;
_projectId = projectId;
_generatorTypeName = generatorTypeName;
_generatorAssemblyName = generatorAssemblyName;
_generatedSourceHintName = generatedSourceHintName;
// We'll create a read-only region for the file, but it'll be a dynamic region we can temporarily suspend
// while we're doing edits.
using (var readOnlyRegionEdit = _textBuffer.CreateReadOnlyRegionEdit())
{
_readOnlyRegion = readOnlyRegionEdit.CreateDynamicReadOnlyRegion(
_textBuffer.CurrentSnapshot.GetFullSpan(),
SpanTrackingMode.EdgeInclusive,
EdgeInsertionMode.Deny,
callback: _ => !_updatingBuffer);
readOnlyRegionEdit.Apply();
}
_workspace.WorkspaceChanged += OnWorkspaceChanged;
_batchingWorkQueue = new AsyncBatchingDelay(
TimeSpan.FromSeconds(1),
UpdateBufferContentsAsync,
asyncListener: _fileManager._listener,
_cancellationTokenSource.Token);
}
public WorkspaceChangedEventSource(
ITextBuffer subjectBuffer,
IAsynchronousOperationListener asyncListener)
: base(subjectBuffer)
{
// That will ensure that even if we get a flurry of workspace events that we
// only process a tag change once.
_asyncDelay = new AsyncBatchingDelay(
TimeSpan.FromMilliseconds(250),
processAsync: cancellationToken =>
{
RaiseChanged();
return(Task.CompletedTask);
},
asyncListener,
CancellationToken.None);
}
