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Petrutiu Mihai
2016-07-14 14:46:27 +03:00
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@@ -112,9 +112,19 @@ For Create user: verify if the authenticated user is authorised to create a new
2. Command pattern
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### Pattern description
[CommandPatternClassDiagram]: https://github.com/MihaiTheCoder/BehavioralPatterns/blob/master/BehavioralPatternsDiagrams/CommandPattern/CommandPatternClassDiagram.PNG "Command pattern class diagram"
[CommandPatternSequenceDiagram]: https://github.com/MihaiTheCoder/BehavioralPatterns/blob/master/BehavioralPatternsDiagrams/CommandPattern/CommandPatternSequenceDiagram.PNG "Command pattern sequence diagram"
Command pattern is a behavioral design pattern in which an object is used to encapsulate
all information needed to perform an action or trigger an event at a later time
Class diagram:
![alt text][CommandPatternClassDiagram]
Sequence diagram:
![alt text][CommandPatternSequenceDiagram]
### b. When using Command pattern is more effective
1. Macro recording: all user actions are represented by command objects, a program can record a