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Re:Basic concepts of Object Oriented Modelling (1 viewing) (1) Guest
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TOPIC: Re:Basic concepts of Object Oriented Modelling
#2448
ShriNi (User)
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Re:Basic concepts of Object Oriented Modelling 4 Years ago Karma: 0  
The Abstract class calls will instantiate, depending on a configuration parameter in the application one of the concrete factories:

WindowsLookAndFeel or MotifLookAndFeel.
 
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#2449
ShriNi (User)
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Re:Basic concepts of Object Oriented Modelling 4 Years ago Karma: 0  
Each request for a new object will be delegated to the instatiated concrete factory which will return the controls with the specific flavor
 
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Re:Basic concepts of Object Oriented Modelling 4 Years ago Karma: 0  
The Abstract Factory t isolates the creation of objects from the client that needs them, giving the client only the possibility of accessing them through an interface, which makes the manipulation easier.
 
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Re:Basic concepts of Object Oriented Modelling 4 Years ago Karma: 0  
By using an abstract factory the exchanging of product families is easier, as the class of a concrete factory appears in the code only where it is instantiated.
 
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Re:Basic concepts of Object Oriented Modelling 4 Years ago Karma: 0  
Also if the products of a family are meant to work together, the Abstract Factory makes it easy to use the objects from only one family at a time.
 
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Re:Basic concepts of Object Oriented Modelling 4 Years ago Karma: 0  
The abstract factory pattern also has its flaws

Adding new products to the existing factories is difficult, because the Abstract Factory interface uses a fixed set of products that can be created.
 
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