How to use Spring AbstractRoutingDataSource with dynamic datasources?

Question

I am working in a project using Spring, Spring Data JPA, Spring Security, Primefaces...

I was following this tutorial about dynamic datasource routing with spring.

Answer 1

The datasource used by a thread might change from time to time.
Should pay attention to concurrency, applications might get concurrency issues in concurrent environment.
thread-bound AbstractRoutingDataSource sample