June 2015
Intermediate to advanced
182 pages
3h 56m
English
Content preview from Learning Reactive Programming With Java 8Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The conditional operators
It is possible to make it so that one Observable instance won't begin its emissions until another emits, or so that it would emit only if another doesn't emit anything. These Observable instances are able to emit items under given conditions, and these conditions are applied to them using conditional operators. In this section, we'll take a look at some of the conditional operators provided by RxJava.
The amb operator
The amb() operator has overloads that take from two up to nine source Observable instances or an Iterable instance of the Observable instances. It emits the items of the source Observable instance that starts emitting first. It doesn't matter what this is, whether OnError, OnCompleted notification, or data. ...
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