/**
* Callback to be used when {@see \Zend\Stdlib\Hydrator\Aggregate\ExtractEvent::EVENT_EXTRACT} is triggered
*
* @param \Zend\Stdlib\Hydrator\Aggregate\ExtractEvent $event
*
* @return array
*
* @internal
*/
public function onExtract(ExtractEvent $event)
{
$data = $this->hydrator->extract($event->getExtractionObject());
$event->mergeExtractedData($data);
return $data;
}
/**
* @covers \Zend\Stdlib\Hydrator\Aggregate\ExtractEvent
*/
public function testEvent()
{
$target = new stdClass();
$object1 = new stdClass();
$event = new ExtractEvent($target, $object1);
$data2 = array('maintainer' => 'Marvin');
$object2 = new stdClass();
$this->assertSame(ExtractEvent::EVENT_EXTRACT, $event->getName());
$this->assertSame($target, $event->getTarget());
$this->assertSame($object1, $event->getExtractionObject());
$this->assertSame(array(), $event->getExtractedData());
$event->setExtractedData($data2);
$this->assertSame($data2, $event->getExtractedData());
$event->setExtractionObject($object2);
$this->assertSame($object2, $event->getExtractionObject());
$event->mergeExtractedData(array('president' => 'Zaphod'));
$extracted = $event->getExtractedData();
$this->assertCount(2, $extracted);
$this->assertSame('Marvin', $extracted['maintainer']);
$this->assertSame('Zaphod', $extracted['president']);
}