/**
* This method is used to optimize the matching process.
*
* @param \TYPO3\FLOW3\Aop\Builder\ClassNameIndex $classNameIndex
* @return \TYPO3\FLOW3\Aop\Builder\ClassNameIndex
*/
public function reduceTargetClassNames(\TYPO3\FLOW3\Aop\Builder\ClassNameIndex $classNameIndex)
{
$classNames = $this->reflectionService->getClassesContainingMethodsAnnotatedWith($this->annotation);
$annotatedIndex = new \TYPO3\FLOW3\Aop\Builder\ClassNameIndex();
$annotatedIndex->setClassNames($classNames);
return $classNameIndex->intersect($annotatedIndex);
}