Java Reference
In-Depth Information
15
WHAT'S IN THIS CHAPTER?
WebSockets
➤
Message‐oriented middleware
➤
Microservices versus monoliths
➤
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
The wrox.com code download for this chapter is found at
www.wrox.com/go/
projavaeedesignpatterns
o
n the Download Code tab. The code is in the Chapter 15
download and individually named according to the names throughout the chapter.
This chapter discusses some of the things that are benei ts of Java EE and development. You
might think of this chapter as containing all the topics that are important to know but don't i t
in any of the other chapters.
This chapter introduces web sockets, which is an exciting new feature of Java EE. Then
it introduces message‐orientated middleware before moving on to the related topic of
microservice architecture.
Enjoy this eclectic bag of tech goodies!
WHAT ARE WEBSOCKETS?
WebSockets might be the most interesting improvement on the web since the introduction
of Asynchronous JavaScript And XML (AJAX). It has been popular since the emergence of
HTML5 and is supported by many web frameworks. However, it took quite a long time to
have a stable and compatible specii cation for WebSockets.
