This video looks at the Mediator pattern from a conceptual level and how it is used in the framework.
- [Instructor] The Mediator pattern is another one … of these patterns that we see used in a couple places … in the Spring Framework, but we don't use … that often when we write code. … In the Spring Framework, the single most important … place that we see the Mediator pattern used is … in the DispatcherServlet and the way … that it operates in Spring MVC. … Now, often it can also be used … when setting the state of various components at once, … and that's another time that we see … that used throughout the Framework … because when they have to do this, … these are all hidden kind of underneath the covers. … So how does this pattern actually work? … So, the Mediator provides encapsulation … on object behavior. … Communication channels flow through the Mediator, … who then, in turn, allow its mediated classes … to do work. … Mediated classes do not communicate with each other … and that's really the key of this pattern. … They only communicate with the Mediator. … And the Mediator classes themselves …
Author
Released
3/22/2019- The patterns of the Spring framework
- Creational patterns in Spring
- The adapter and decorator pattern in action
- Structural patterns in Spring
- The repository pattern in action
- The observer, command, and mediator patterns
Skill Level Advanced
Duration
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Introduction
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What you should know1m 28s
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1. Design Patterns and Spring
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What are design patterns2m 28s
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Gang of Four3m 38s
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2. Creational Patterns in Spring
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The Factory pattern4m 39s
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Factory pattern in action5m 38s
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The Builder pattern2m 55s
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The Singleton pattern4m 1s
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Singleton pattern in action4m 55s
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The Prototype pattern4m 36s
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Prototype pattern in action4m 59s
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3. Structural Patterns in Spring
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The Adapter pattern5m 13s
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Adapter pattern in action5m 12s
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The Decorator pattern3m 26s
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Decorator pattern in action4m 39s
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The Proxy pattern4m 10s
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4. Operational Patterns in Spring
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The Repository pattern3m 13s
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Repository pattern in action5m 12s
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The Template pattern4m 34s
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5. Other Framework Patterns in Spring
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The Observer pattern4m 49s
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The Command pattern3m 50s
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The Mediator pattern3m 15s
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The Interpreter pattern3m 10s
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Conclusion
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Next steps3m 27s
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Video: The Mediator pattern