[Stephen Grider] Microservices with Node JS and React [ENG, 2020] 19. Listening for Events and Handling Concurrency Issues 02. Reminder on Listeners 03. Blueprint for Listeners 05. Simple onMessage Implementation 07. Ticket Updated Listener Implementation 08. Initializing the Listeners $ cd nats-test
$ npm update @grider-ms-tickets/common
CREATE TICKET
UPDATE TICKET
10. Clear Concurrency Issues 11. Reminder on Versioning Records 12. Optimistic Concurrency Control
13. Mongoose Update-If-Current $ cd tickets
$ npm install --save mongoose-update-if-current
14. Implementing OCC with Mongoose $ cd tickets
$ npm run test
18. Including Versions in Events $ cd common
$ npm run pub
$ cd orders
$ npm update @grider-ms-tickets/common
$ cd tickets
$ npm update @grider-ms-tickets/common
19. Updating Tickets Event Definitions 20. Applying a Version Query $ cd orders
$ npm install --save mongoose-update-if-current
CREATE TICKET
UPDATE TICKET
Everything works after updates
22. Abstracted Query Method CREATE TICKET
UPDATE TICKET
23. [Optional] Versioning Without Update-If-Current 25. A Complete Listener Test 27. Testing the Ticket Updated Listener 32. Listeners in the Tickets Service 33. Building the Listener 34. Strategies for Locking a Ticket
36. Setup for Testing Reservation $ cd tickets
$ npm run test
39. Private vs Protected Properties 40. Publishing While Listening $ cd tickets
$ npm update @grider-ms-tickets/common
$ cd orders
$ npm update @grider-ms-tickets/common
41. Mock Function Arguments $ cd tickets
$ npm run test
Sometime tests works sometime not. I did not find the reason. When run only one can works.
42. Order Cancelled Listener 43. A Lightning-Quick Test 43. A Lightning-Quick Test 44. Don't Forget to Listen! 45. Rejecting Edits of Reserved Tickets Marley
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