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<meta name="author" content="Nikos Tsantalis">
<title>Detection
Rules of the Functional Decomposition</title></head>
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<!--<h1>Design Defect Detection</h1>-->
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<h3>Description</h3>
The Functional Decomposition antipattern may occur if experienced procedural developers with
little knowledge of object-orientation implement an object-oriented system. Brown describes this
antipattern as "a `main' routine that calls for numerous subroutines". The Functional Decomposition
design defect consists of a main class, i.e., a class with a procedural name, such as Compute
or Display, in which inheritance and polymorphism are scarcely used, that is associated with small
classes, which declare many private fields and implement only a few methods.</p>
<h3>Detection Rules</h3>
RULE_CARD : FunctionalDecomposition { <br><br>
<span class="marge">RULE : FunctionalDecomposition {ASSOC: associated FROM: mainClass ONE TO: aClass MANY };<br><br></span>
<span class="marge">RULE : mainClass {UNION NoInheritPoly FunctionClass};<br><br></span>
<span class="marge">RULE : NoInheritPoly {INTER NoInheritance NoPolymorphism};<br><br></span>
<span class="marge">RULE : NoInheritance {(METRIC: DIT, SUP_EQ, 1, 0) };<br><br></span>
<span class="marge">RULE : NoPolymorphism { (STRUCT: DIFFERENT_PARAMETER) };<br><br></span>
<span class="marge">RULE : FunctionClass {(SEMANTIC: CLASSNAME, {Make, Create, Creator, Execute, Exec, Compute, Display, Calculate}) } ; <br><br></span>
<span class="marge">RULE : aClass {INTER ClassOneMethod FieldPrivate};<br><br></span>
<span class="marge">RULE : ClassOneMethod {(STRUCT: ONE_METHOD)};<br><br></span>
<span class="marge">RULE : FieldPrivate {(STRUCT: PRIVATE_FIELD, 100) };<br><br></span>
};
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Created by
mohanaou
Last modified
2010-02-19 12:33
