PDepend\Metrics\Analyzer\DependencyAnalyzer::getCycle PHP Метод

    public function getCycle(AbstractASTArtifact $node)
    {
        if (array_key_exists($node->getId(), $this->collectedCycles)) {
            return $this->collectedCycles[$node->getId()];
        }
        $list = array();
        if ($this->collectCycle($list, $node)) {
            $this->collectedCycles[$node->getId()] = $list;
        } else {
            $this->collectedCycles[$node->getId()] = null;
        }
        return $this->collectedCycles[$node->getId()];
    }

 /**
  * Visits a package node.
  *
  * @param \PDepend\Source\AST\ASTNamespace $namespace
  * @return void
  */
 public function visitNamespace(ASTNamespace $namespace)
 {
     if (!$namespace->isUserDefined()) {
         return;
     }
     $stats = $this->analyzer->getStats($namespace);
     if (count($stats) === 0) {
         return;
     }
     $doc = $this->packages->ownerDocument;
     $this->concreteClasses = $doc->createElement('ConcreteClasses');
     $this->abstractClasses = $doc->createElement('AbstractClasses');
     $packageXml = $doc->createElement('Package');
     $packageXml->setAttribute('name', $namespace->getName());
     $statsXml = $doc->createElement('Stats');
     $statsXml->appendChild($doc->createElement('TotalClasses'))->appendChild($doc->createTextNode($stats['tc']));
     $statsXml->appendChild($doc->createElement('ConcreteClasses'))->appendChild($doc->createTextNode($stats['cc']));
     $statsXml->appendChild($doc->createElement('AbstractClasses'))->appendChild($doc->createTextNode($stats['ac']));
     $statsXml->appendChild($doc->createElement('Ca'))->appendChild($doc->createTextNode($stats['ca']));
     $statsXml->appendChild($doc->createElement('Ce'))->appendChild($doc->createTextNode($stats['ce']));
     $statsXml->appendChild($doc->createElement('A'))->appendChild($doc->createTextNode($stats['a']));
     $statsXml->appendChild($doc->createElement('I'))->appendChild($doc->createTextNode($stats['i']));
     $statsXml->appendChild($doc->createElement('D'))->appendChild($doc->createTextNode($stats['d']));
     $dependsUpon = $doc->createElement('DependsUpon');
     foreach ($this->analyzer->getEfferents($namespace) as $efferent) {
         $efferentXml = $doc->createElement('Package');
         $efferentXml->appendChild($doc->createTextNode($efferent->getName()));
         $dependsUpon->appendChild($efferentXml);
     }
     $usedBy = $doc->createElement('UsedBy');
     foreach ($this->analyzer->getAfferents($namespace) as $afferent) {
         $afferentXml = $doc->createElement('Package');
         $afferentXml->appendChild($doc->createTextNode($afferent->getName()));
         $usedBy->appendChild($afferentXml);
     }
     $packageXml->appendChild($statsXml);
     $packageXml->appendChild($this->concreteClasses);
     $packageXml->appendChild($this->abstractClasses);
     $packageXml->appendChild($dependsUpon);
     $packageXml->appendChild($usedBy);
     if (($cycles = $this->analyzer->getCycle($namespace)) !== null) {
         $cycleXml = $doc->createElement('Package');
         $cycleXml->setAttribute('Name', $namespace->getName());
         foreach ($cycles as $cycle) {
             $cycleXml->appendChild($doc->createElement('Package'))->appendChild($doc->createTextNode($cycle->getName()));
         }
         $this->cycles->appendChild($cycleXml);
     }
     foreach ($namespace->getTypes() as $type) {
         $type->accept($this);
     }
     if ($this->concreteClasses->firstChild === null && $this->abstractClasses->firstChild === null) {
         return;
     }
     $this->packages->appendChild($packageXml);
 }