February 2015
Intermediate to advanced
198 pages
4h 17m
English
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Gateways
Abstraction and loose coupling is always desired. Messaging gateways is a mechanism to publish a contract that can be used by systems without exposing the underlying messaging implementation. For example, a gateway for a mailing subsystem can expose methods for sending and receiving mail. Internally, the implementation can be done using the raw Java mail API, or can be adapters from Spring Integration, or may be some custom implementation altogether. As long as the contract does not change, implementation can be easily switched or enhanced without impacting on the rest of the modules. It is an implementation of more generic gateway patterns. Gateways can be of two types: synchronous and asynchronous.
Synchronous gateways
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.