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Code Issues Packages Projects Releases Wiki Activity

Wait for clientSession to become available before running a cell. (#10796)

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This commit is contained in:
Cory Rivera
2020-06-09 05:30:13 -07:00
committed by GitHub
parent c8a3fbca47
commit 59575aa305
5 changed files with 18 additions and 7 deletions
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3
src/sql/workbench/contrib/notebook/test/stubs.ts
View File

@@ -39,6 +39,9 @@ export class NotebookModelStub implements INotebookModel {
get clientSession(): IClientSession {
throw new Error('method not implemented.');
}
get sessionLoadFinished(): Promise<void> {
throw new Error('method not implemented.');
}
get notebookManagers(): INotebookManager[] {
throw new Error('method not implemented.');
}

4
src/sql/workbench/services/notebook/browser/models/cell.ts
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@@ -373,12 +373,14 @@ export class CellModel implements ICellModel {
private async getOrStartKernel(notificationService: INotificationService): Promise<nb.IKernel> {
let model = this._options.notebook;
if (model) {
await model.sessionLoadFinished;
}
let clientSession = model && model.clientSession;
if (!clientSession) {
this.sendNotification(notificationService, Severity.Error, localize('notebookNotReady', "The session for this notebook is not yet ready"));
return undefined;
} else if (!clientSession.isReady || clientSession.status === 'dead') {
this.sendNotification(notificationService, Severity.Info, localize('sessionNotReady', "The session for this notebook will start momentarily"));
await clientSession.kernelChangeCompleted;
}

4
src/sql/workbench/services/notebook/browser/models/modelInterfaces.ts
View File

@@ -233,6 +233,10 @@ export interface INotebookModel {
* Client Session in the notebook, used for sending requests to the notebook service
*/
readonly clientSession: IClientSession;
/**
* Promise indicating when client session is ready to use.
*/
readonly sessionLoadFinished: Promise<void>;
/**
* LanguageInfo saved in the notebook
*/

8
src/sql/workbench/services/notebook/browser/models/notebookModel.ts
View File

@@ -29,6 +29,7 @@ import { find, firstIndex } from 'vs/base/common/arrays';
import { startsWith } from 'vs/base/common/strings';
import { notebookConstants } from 'sql/workbench/services/notebook/browser/interfaces';
import { IAdsTelemetryService } from 'sql/platform/telemetry/common/telemetry';
import { Deferred } from 'sql/base/common/promise';
/*
* Used to control whether a message in a dialog/wizard is displayed as an error,
@@ -54,7 +55,7 @@ export class NotebookModel extends Disposable implements INotebookModel {
private _layoutChanged = new Emitter<void>();
private _inErrorState: boolean = false;
private _activeClientSession: IClientSession;
private _sessionLoadFinished: Promise<void>;
private _sessionLoadFinished = new Deferred<void>();
private _onClientSessionReady = new Emitter<IClientSession>();
private _onProviderIdChanged = new Emitter<string>();
private _trustedMode: boolean;
@@ -148,7 +149,6 @@ export class NotebookModel extends Disposable implements INotebookModel {
return this._contentChangedEmitter.event;
}
public get isSessionReady(): boolean {
return !!this._activeClientSession;
}
@@ -492,7 +492,9 @@ export class NotebookModel extends Disposable implements INotebookModel {
clientSession.statusChanged(async (session) => {
this._kernelsChangedEmitter.fire(session.kernel);
});
await clientSession.initialize();
await clientSession.initialize().then(() => {
this._sessionLoadFinished.resolve();
});
// By somehow we have to wait for ready, otherwise may not be called for some cases.
await clientSession.ready;
if (clientSession.kernel) {