Bravo3\Orm\Services\Io\Reader::getIndexValue PHP Метод

    public function getIndexValue(Index $index)
    {
        $values = [];
        foreach ($index->getColumns() as $column) {
            $values[] = (string) $this->getPropertyValue($column);
        }
        foreach ($index->getMethods() as $method) {
            $values[] = (string) $this->getMethodValue($method);
        }
        return implode(self::ID_DELIMITER, $values);
    }

 /**
  * @dataProvider entityManagerDataProvider
  * @param EntityManager $em
  */
 public function testIndex(EntityManager $em)
 {
     $entity = new IndexedEntity();
     $entity->setId1(100)->setId2('id2');
     $entity->setAlpha('alpha')->setBravo('200')->setCharlie(true);
     $metadata = $em->getMapper()->getEntityMetadata($entity);
     $reader = new Reader($metadata, $entity);
     $this->assertEquals('100.id2', $reader->getId());
     $indices = $metadata->getIndices();
     $this->assertCount(3, $indices);
     $ab = $metadata->getIndexByName('ab');
     $this->assertContains('alpha', $ab->getColumns());
     $this->assertContains('bravo', $ab->getColumns());
     $this->assertCount(2, $ab->getColumns());
     $this->assertEquals('alpha.200', $reader->getIndexValue($ab));
     $bc = $metadata->getIndexByName('bc');
     $this->assertContains('bravo', $bc->getColumns());
     $this->assertContains('getCharlie', $bc->getMethods());
     $this->assertCount(1, $bc->getColumns());
     $this->assertCount(1, $bc->getMethods());
     $this->assertEquals('200.1', $reader->getIndexValue($bc));
     $b = $metadata->getIndexByName('b');
     $this->assertContains('bravo', $b->getColumns());
     $this->assertCount(1, $b->getColumns());
     $this->assertEquals('200', $reader->getIndexValue($b));
     $em->persist($entity)->flush();
     /** @var IndexedEntity $retrieved */
     $retrieved = $em->retrieve(self::INDEXED_ENTITY, '100.id2');
     $retrieved->setAlpha('omega')->setId1(101);
     $em->persist($retrieved)->flush();
     try {
         $em->retrieveByIndex(self::INDEXED_ENTITY, 'ab', 'alpha.200');
         $this->fail("Former index was found");
     } catch (NotFoundException $e) {
     }
     /** @var IndexedEntity $retrieved_by_index */
     $retrieved_by_index = $em->retrieveByIndex(self::INDEXED_ENTITY, 'ab', 'omega.200');
     $this->assertEquals(101, $retrieved_by_index->getId1());
     $this->assertEquals('id2', $retrieved_by_index->getId2());
     $this->assertSame('omega', $retrieved_by_index->getAlpha());
     $this->assertSame(200, $retrieved_by_index->getBravo());
     $this->assertSame(true, $retrieved_by_index->getCharlie());
 }