February 2016
Intermediate to advanced
382 pages
8h 1m
English
Content preview from Scala Design PatternsBecome 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 chain of responsibility design pattern
Nowadays, with the growth of data sizes and the hype around Big Data, stream processing is something that many applications will have to be able to do. Stream processing is characterized by an endless stream of data, which is passed from one object to another while each of them could be doing some processing and then passing it on to the next one. In other cases, data could be moved on in the chain until it arrives at an object which knows how to process a certain command.
The preceding behavior is really suitable for the chain of responsibility design pattern. The purpose of chain of responsibility is to:
Note
Decouple the sender of a request from its receiver by giving multiple objects the chance to handle ...
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