October 2017
Intermediate to advanced
396 pages
10h 2m
English
Content preview from Spring 5 Design Patterns
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Knowing when to use the Facade Pattern
Suppose you are designing a system, and this system has a very large number of independent classes and also has a set of services to be implemented. This system is going to be very complex, so the Facade pattern comes into the picture and reduces the complexities of the larger system and simplifies interactions of the client code with a set of classes from a subsystem of the large complex system.
Suppose you want to develop a bank enterprise application with a large number of services to perform a task, for example, AccountService for getting the Account by accountId, PaymentService for payment gateway services, and TransferService for the amount transfer from one account to another account. A client ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.