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Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Simple Notification Service

We've already seen the Simple Notification System at work, at least in theory, as that is what delivers the outbound message to our function: a client of some sort publishes a message in a specific SNS topic. We have a subscription to that topic (I'll show you how to create that later) that calls our method with the message for us to deliver. We will use the SNS API now to send text (or SMS) messages to the users who have subscribed a phone number to the system.

With SNS, to send a message to more than one phone number you must do so through a topic to which each number is subscribed. What we'll do then is follow these steps:

  1. Create a topic.
  2. Subscribe all of the phone numbers.
  3. Publish the message to the topic. ...
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Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page