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<table class="wysiwyg-macro" data-macro-name="info" data-macro-parameters="icon=false|title=Table of Contents" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2luZm86aWNvbj1mYWxzZXx0aXRsZT1UYWJsZSBvZiBDb250ZW50c30&amp;locale=en_GB&amp;version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body"><img class="editor-inline-macro" src="/plugins/servlet/confluence/placeholder/macro?definition=e3RvY30&amp;locale=en_GB&amp;version=2" data-macro-name="toc"></td></tr></table><h1>What is RFC?</h1><p>RFC stands for Response For Class. RFC measures the complexity of the class in terms of method calls.</p><p>For each class, it counts:</p><ul><li>+1 for each method</li><li>+1 for each call of a distinct method (note that getters and setters are not considered as methods)</li></ul><p>Example:</p><table class="wysiwyg-macro" data-macro-name="code" data-macro-parameters="language=java|linenumbers=true" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2NvZGU6bGluZW51bWJlcnM9dHJ1ZXxsYW5ndWFnZT1qYXZhfQ&amp;locale=en_GB&amp;version=2); background-repeat: no-repeat;" data-macro-body-type="PLAIN_TEXT"><tr><td class="wysiwyg-macro-body"><pre>public class ClassA 
{
  private ClassB classB = new ClassB();        // call (constructor of class B) => +1
  public void doSomething(){                   // method declaration => +1
    System.out.println ( "doSomething");       // call (System.out.println) => +1
  }
  public void doSomethingBasedOnClassB(){      // method declaration => +1
    System.out.println (classB.toString());    // call (System.out.println) => 0 because already counted on line 5 + call (toString) => +1
  }
}
 
// default constructor of ClassA => +1
// RFC = 6</pre></td></tr></table><h1>How to Hunt for Bad RFC?</h1><p>Add the <em>Response for class</em> widget on your <a class="confluence-link" href="/display/SONAR/Dashboards" data-linked-resource-id="163872785" data-linked-resource-type="page" data-linked-resource-default-alias="Dashboards" data-base-url="http://docs.codehaus.org">dashboard</a>:</p><p><img class="confluence-embedded-image" confluence-query-params="effects=drop-shadow" src="/download/attachments/231082309/rfc_widget.png?version=1&amp;modificationDate=1371624141779&amp;effects=drop-shadow" data-image-src="/download/attachments/231082309/rfc_widget.png?version=1&amp;modificationDate=1371624141779&amp;effects=drop-shadow" data-linked-resource-id="231377057" data-linked-resource-type="attachment" data-linked-resource-default-alias="rfc_widget.png" data-base-url="http://docs.codehaus.org" data-linked-resource-container-id="231082309" title="null > rfc_widget.png"></p><p>and drill down.</p><pre> </pre>