October 2017
Intermediate to advanced
396 pages
10h 2m
English
Content preview from Spring 5 Design Patterns
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Implementing the Abstract factory design pattern in the Spring Framework
In the Spring Framework, the FactoryBean interface is based on the Abstract Factory design pattern. Spring provides a lot of implementation of this interface, such as ProxyFactoryBean, JndiFactoryBean, LocalSessionFactoryBean, LocalContainerEntityManagerFactoryBean, and so on. A FactoryBean is also useful to help Spring construct objects that it couldn't easily construct itself. Often this is used to construct complex objects that have many dependencies. It might also be used when the construction logic itself is highly volatile and depends on the configuration.
For example, in Spring Framework, one of the FactoryBean implementations is LocalSessionFactoryBean, which ...
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