December 2017
Intermediate to advanced
468 pages
13h 12m
English
In this pattern, subscribers contact the publishers to find out whether they have anything that is of interest to them. This is not used much as it involves a lot of wastage of system resources. Imagine a subscriber polling a publisher 50 times when it has nothing new for them.
Event-driven patterns of late are implemented in a slightly different manner in an attempt to adapt to the changing technology landscape. In the next section, we will understand the actual implementation of event-driven patterns in systems.
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