Headline

Making use of the tree-like object model using the composite pattern

Characteristics

The present implementation can be viewed as a variation on Contribution:javaInheritance. The composite pattern is applied to a tree-like model of companies. To this end, employees and departments are composites while employees are leafs. The features of totaling and cutting a company, department and employees are specified in a component interface.

Illustration

The data model is implemented with class inheritance. For example Departments:

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Feature:Total and Feature:Cut are specified in the component interface

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and implemented in the respective classes of the object model, for instance for departments:

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Usage

Execute the main class in Eclipse.

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