Datamill -Is it a competitor for Spring ?

Datamill is a new framework for Java development based on library RxJava for asynchronous and event-based programming.

The idea of ??Datamill, which is positioned against the popular Spring framework, is to use functional programming, as lambda expressions, with Java 8 to build web applications.

- With modern Spring can write fairly concise, you can get started advanced web services with very little code.