Are there any violations of the law of Demeter?
However, it is worth paying attention to some of the coding violations related with this principle. Following are two most common violations for Law of Demeter. These violations can be observed in your code by using static code analysis tool such as PMB.
How is the law of Demeter used in Java?
Some, including the Wikipedia Article on the Law of Demeter, argue that the Law implies the usage of “Wrapper” methods to get around calling methods on foreign objects, like this: There are a couple of problems with this approach.
What is the law of Demeter in object oriented development?
The Law of Demeter is the law of the land in Object-Oriented development. As the original paper itself calls it, it is the Law of Good Style. Complying with the Law technically and in spirit everywhere is the minimum required to produce proper, well designed Object-Oriented code.
How to check Java code for law of Demeter?
Following are two most common violations for Law of Demeter. These violations can be observed in your code by using static code analysis tool such as PMB. If you are a Java developer, and you use Eclipse IDE, you could get started quickly by downloading PMB eclipse plugin.
Is the law of Demeter the principle of least knowledge?
The Law of Demeter (LoD) or principle of least knowledge is a design guideline for developing software, particularly object-oriented programs. In its general form, the LoD is a specific case of loose coupling.
How is the law of Demeter implemented in a layered architecture?
A multilayered architecture can be considered to be a systematic mechanism for implementing the Law of Demeter in a software system. In a layered architecture, code within each layer can only make calls to code within the layer and code within the next layer down. “Layer skipping” would violate the layered architecture.