February 2017
Intermediate to advanced
434 pages
10h 27m
English
Content preview from Learning Concurrent Programming in Scala - Second EditionBecome 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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Reactor lifecycle
Every reactor goes through a certain set of stages during its lifetime, which are jointly called a reactor lifecycle. When the reactor enters a specific stage, it emits a lifecycle event. These lifecycle events are dispatched on a special daemon event stream called sysEvents. Every reactor is created with this special event stream.
The reactor lifecycle can be summarized as follows:
- After calling the
spawnmethod, the reactor is scheduled for execution. Its constructor is started asynchronously, and immediately after that, aReactorStartedevent is dispatched. - Then, whenever the reactor gets execution time, the
ReactorScheduledevent gets dispatched. After that, events get dispatched on normal event streams. - When the scheduling system ...
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