I\'m refactoring a big class that has a lot of checks for null all over the place into using the null object pattern. So far it\'s been an almost smooth change but I am having a couple of issues with
In this composite tree I am keeping a reference to the parent node for flexible tree traversal.I don\'t want to have to check the parent for a null reference all the time but if I make a NullNode clas
EDIT | Or another question, on the same object subject.Can I write my own class definition that would cause the following all to work?
Can I get a dummy logger from slf4j? (Think the null object design pattern.) If so, can someone provide an example? Or will I have to implement a custom logger if I want to do that?
(C++/Qt) I have a smart pointer to a QObject. Let\'s say a QWeakPointer. For some external reason (something that might happen in another object or due to an event), it is possible that the pointed ob
The NullObjectPattern is intended to be a \"safe\" ( neutral ) behavior. The idea is create an object that don\'t do anything ( but doesn\'t throw NullPointerException either )
For a website I\'m working on, I made an Media Service object that I use in the front end, as well as in the backend (CMS). This Media Service object manipulates media in a local repository (DB); it p
Is there a way to implement the null object design pattern in a generic form so that i don\'t need to implement it for every buisness object.
When a controller detects that a DTO passed t开发者_如何转开发o it is null should it instantiate an instance of the DTO (cf the Null Object Pattern), or should it simply throw an exception there and t
Why does Fowler PoEAA p. 498 define the null-object pattern in the following way (sample shortened, language is c# but doesn\'t matter):
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