Method _initialize

src/cursor/find_cursor.ts:72–98

@internal

(session: ClientSession)

  /** @internal */
  async _initialize(session: ClientSession): Promise<InitialCursorResponse> {
    const options = {
      ...this.findOptions, // NOTE: order matters here, we may need to refine this
      ...this.cursorOptions,
      session,
      signal: this.signal
    };

    if (options.explain) {
      try {
        validateExplainTimeoutOptions(options, Explain.fromOptions(options));
      } catch {
        throw new MongoAPIError(
          'timeoutMS cannot be used with explain when explain is specified in findOptions'
        );
      }
    }

    const findOperation = new FindOperation(this.namespace, this.cursorFilter, options);

    const response = await executeOperation(this.client, findOperation, this.timeoutContext);

    // the response is not a cursor when `explain` is enabled
    this.numReturned = response.batchSize;

    return { server: findOperation.server, session, response };
  }

  /** @internal */
  override async getMore(): Promise<CursorResponse> {