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| Factory Design Pattern Reviews Posted: 08 Jan 2015 08:59 PM PST Factory Design PatternWhat is factory design pattern? And how it will be implementing? I think the question such so is commonly showed up. So, to know more about the factory design pattern, below we will discus about it.  Factory-Design-Pattern Some times when we are working with the framework, we need to standardize the architectural model for a range of applications. It is allow for individual applications to define their own domain object and provide the instantiation. So, to creating objects as template model, here we will use factory method to work with. Here, the template method is to implementing an algorithm. Therefore, a super class specifies all standard and generic behaviour by using pure virtual placeholders for creation steps. After that it will delegates the creation details to subclasses that are supplied by the client. It means that the function of the factory method makes a design more customizable and lessen the complicated. Meanwhile, the others design patterns require new classes, where the factory method only requires a new operation. When the people use the factory method to become their standard to create some objects, it doesn't necessary if the class that's instantiated never changes or instantiation takes place in an operation that subclasses can easily override. We could also said that factory method is similar to Abstract Factory but without the emphasis on families. It means that the factory methods specified by an architectural framework and then implemented by the user of the framework. Furthermore, we can take some example of the work or the factory method which is defines an interface for creating objects, but it lets the subclasses decide which class to instantiate. Here is the injection of molding presses demonstrate the pattern. So the manufacturers of plastic toys process plastic molding powder and inject the plastic into mold of the desired shapes. It means that the class of toy like car, action figure and many more is determine by the mold. Here, you must consider the rule of thumb in application of the factory methods. They are that the abstract factory class usually implement with factory method even though it cannot be implemented using prototype. Then, factory method is creation through inheritance. Meanwhile, prototype is creation through delegation. Furthermore, if you designs start out using factory method it will lessen complicated, customizable, subclasses proliferate and evolve the abstract factory. Besides, the prototype or builder is more flexible and more complex as the designers discovers where more flexibility is needed.  factory-design-pattern-java  factory-design-pattern-c++  design-patterns  factory-design-pattern-tutorial To know more about how the works is the factory design pattern, you may also see the link that will guide you about it further. There, you will be explained how it work, the structure of the factory design which also explain with the diagrams which will make you easily to understand it. Also, you will get more example about factory method codes which possible to apply in java examples, delphi examples, PHP examples and many more. Or also, you can get the book of design pattern which will fully explained you more about this. So you better click the link and order the book for your best result of your design.
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