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Command Pattern When Actions Speak Louder Than Words Shahriar Hyder Kaz Software Ltd. 17 th  October, 2011
Intent ,[object Object]
Command Pattern ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Class Diagram Client Invoker setCommand() <<interface>> Command execute() undo() Receiver action() ConcreteCommand execute() undo() public void execute() { receiver.action() }
Collaborations ,[object Object],[object Object],[object Object],[object Object]
Sequence Diagram aReceiver anInvoker aCommand aClient new Command (Rx) StoreCommand(Command) Execute( ) Action( )
 
 
 
 
 
 
 
 
 
More uses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Main Concepts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Related Patterns! ,[object Object],[object Object],[object Object],[object Object],[object Object]
 

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Command Design Pattern