1. class TokenQueue {
  2. constructor() {
  3. this.queue = [];
  4. this.isRunning = false;
  5. }
  7. enqueue(task) {
  8. this.queue.push(task);
  9. }
  11. start() {
  12. if (this.isRunning) {
  13. return; // Prevent concurrent runs
  14. }
  15. this.isRunning = true;
  16. this.runNext();
  17. }
  19. runNext() {
  20. if (this.queue.length === 0) {
  21. this.isRunning = false;
  22. return;
  23. }
  25. const task = this.queue.shift();
  27. // Simulate token authentication (replace with your actual logic)
  28. const token = task.authenticate();
  30. // Execute the task with the token
  31. task.execute(token);
  33. this.runNext(); // Process the next task
  34. }
  35. }
  37. // Example usage:
  38. // Define a task
  39. class AuthenticationTask {
  40. authenticate() {
  41. // Simulate authentication - replace with your real authentication logic
  42. return "validToken_" + Date.now();
  43. }
  45. execute(token) {
  46. console.log(`Executing task with token: ${token}`);
  47. // Perform the experiment task using the token.
  48. console.log("Task completed.");
  49. }
  50. }
  52. // Create a queue
  53. const queue = new TokenQueue();
  55. // Create tasks and enqueue them
  56. const task1 = new AuthenticationTask();
  57. const task2 = new AuthenticationTask();
  58. const task3 = new AuthenticationTask();
  60. queue.enqueue(task1);
  61. queue.enqueue(task2);
  62. queue.enqueue(task3);
  64. // Start the queue
  65. queue.start();

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