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Apex Design Patterns

You're reading from   Apex Design Patterns Harness the power of Apex design patterns to build robust and scalable code architectures on the Force.com platform

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Product type Paperback
Published in Apr 2016
Publisher
ISBN-13 9781782173656
Length 256 pages
Edition 1st Edition
Languages
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Authors (2):
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Jitendra Zaa Jitendra Zaa
Author Profile Icon Jitendra Zaa
Jitendra Zaa
Anshul Verma Anshul Verma
Author Profile Icon Anshul Verma
Anshul Verma
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Chapter 3.  Structural Patterns

In the previous chapter, we have seen that creational patterns can help us create objects with a simplified and extensible approach. Moving forward, as we develop various classes, our next challenge is to integrate these classes. In some scenarios, where we need to establish a relationship between two classes and they do not know each other's behavior or are incompatible with each other or are frequently changed, it is very important to establish a robust relationship between these classes. Structural design patterns help us design a robust relationship between multiple classes.

Structural patterns can be used in the following scenarios:

  • Dynamically assigning an additional behavior to the existing object 
  • Creating a relationship between incompatible classes
  • Simplifying an interaction with complex classes
  • Reusing an object to improve the memory footprint

In this chapter, we will discuss various ways to create an optimum relationship between...

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