Doctrine\ORM\Cache\DefaultQueryCache::get()

Complexity

Conditions	24
Paths	144

Size

Total Lines	162
Code Lines	83

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	83
CRAP Score	24.0009

Importance

Changes

0

<?php
    public function get(QueryCacheKey $key, ResultSetMapping $rsm, array $hints = [])
    {
        if (! ($key->cacheMode & Cache::MODE_GET)) {
            return null;
        }

        $cacheEntry = $this->region->get($key);

        if (! $cacheEntry instanceof QueryCacheEntry) {
            return null;
        }

        if (! $this->validator->isValid($key, $cacheEntry)) {
            $this->region->evict($key);

            return null;
        }

        $result      = [];
        $entityName  = reset($rsm->aliasMap);
        $hasRelation = ( ! empty($rsm->relationMap));
        $unitOfWork  = $this->em->getUnitOfWork();
        $persister   = $unitOfWork->getEntityPersister($entityName);
        $region      = $persister->getCacheRegion();

The method getCacheRegion() does not exist on Doctrine\ORM\Persisters\Entity\EntityPersister. It seems like you code against a sub-type of Doctrine\ORM\Persisters\Entity\EntityPersister such as Doctrine\ORM\Cache\Persister\Entity\CachedEntityPersister.

        $regionName  = $region->getName();

        $cm = $this->em->getClassMetadata($entityName);

        $generateKeys = function (array $entry) use ($cm) : EntityCacheKey {
            return new EntityCacheKey($cm->getRootClassName(), $entry['identifier']);

The method getRootClassName() does not exist on Doctrine\Common\Persistence\Mapping\ClassMetadata.

        };

        $cacheKeys = new CollectionCacheEntry(array_map($generateKeys, $cacheEntry->result));
        $entries   = $region->getMultiple($cacheKeys);

        // @TODO - move to cache hydration component
        foreach ($cacheEntry->result as $index => $entry) {
            $entityEntry = is_array($entries) ? ($entries[$index] ?? null) : null;

            if ($entityEntry === null) {
                if ($this->cacheLogger !== null) {
                    $this->cacheLogger->entityCacheMiss($regionName, $cacheKeys->identifiers[$index]);
                }

                return null;
            }

            if ($this->cacheLogger !== null) {
                $this->cacheLogger->entityCacheHit($regionName, $cacheKeys->identifiers[$index]);
            }

            if (! $hasRelation) {
                $result[$index] = $unitOfWork->createEntity(
                    $entityEntry->class,
                    $entityEntry->resolveAssociationEntries($this->em),
                    self::$hints
                );

                continue;
            }

            $data = $entityEntry->data;

            foreach ($entry['associations'] as $name => $assoc) {
                $assocPersister = $unitOfWork->getEntityPersister($assoc['targetEntity']);
                $assocRegion    = $assocPersister->getCacheRegion();
                $assocMetadata  = $this->em->getClassMetadata($assoc['targetEntity']);

                // *-to-one association
                if (isset($assoc['identifier'])) {
                    $assocKey = new EntityCacheKey($assocMetadata->getRootClassName(), $assoc['identifier']);

                    $assocEntry = $assocRegion->get($assocKey);
                    if ($assocEntry === null) {
                        if ($this->cacheLogger !== null) {
                            $this->cacheLogger->entityCacheMiss($assocRegion->getName(), $assocKey);
                        }

                        $unitOfWork->hydrationComplete();

                        return null;
                    }

                    $data[$name] = $unitOfWork->createEntity(
                        $assocEntry->class,
                        $assocEntry->resolveAssociationEntries($this->em),
                        self::$hints
                    );

                    if ($this->cacheLogger !== null) {
                        $this->cacheLogger->entityCacheHit($assocRegion->getName(), $assocKey);
                    }

                    continue;
                }

                if (! isset($assoc['list']) || empty($assoc['list'])) {
                    continue;
                }

                $generateKeys = function ($id) use ($assocMetadata) : EntityCacheKey {
                    return new EntityCacheKey($assocMetadata->getRootClassName(), $id);
                };

                $assocKeys    = new CollectionCacheEntry(array_map($generateKeys, $assoc['list']));
                $assocEntries = $assocRegion->getMultiple($assocKeys);

                // *-to-many association
                $collection = [];

                foreach ($assoc['list'] as $assocIndex => $assocId) {
                    $assocEntry = is_array($assocEntries) ? ($assocEntries[$assocIndex] ?? null) : null;

                    if ($assocEntry === null) {
                        if ($this->cacheLogger !== null) {
                            $this->cacheLogger->entityCacheMiss($assocRegion->getName(), $assocKeys->identifiers[$assocIndex]);
                        }

                        $unitOfWork->hydrationComplete();

                        return null;
                    }

                    $collection[$assocIndex] = $unitOfWork->createEntity(
                        $assocEntry->class,
                        $assocEntry->resolveAssociationEntries($this->em),
                        self::$hints
                    );

                    if ($this->cacheLogger !== null) {
                        $this->cacheLogger->entityCacheHit($assocRegion->getName(), $assocKeys->identifiers[$assocIndex]);
                    }
                }

                $data[$name] = $collection;
            }

            foreach ($data as $fieldName => $unCachedAssociationData) {
                // In some scenarios, such as EAGER+ASSOCIATION+ID+CACHE, the
                // cache key information in `$cacheEntry` will not contain details
                // for fields that are associations.
                //
                // This means that `$data` keys for some associations that may
                // actually not be cached will not be converted to actual association
                // data, yet they contain L2 cache AssociationCacheEntry objects.
                //
                // We need to unwrap those associations into proxy references,
                // since we don't have actual data for them except for identifiers.
                if ($unCachedAssociationData instanceof AssociationCacheEntry) {
                    $data[$fieldName] = $this->em->getReference(
                        $unCachedAssociationData->class,
                        $unCachedAssociationData->identifier
                    );
                }
            }

            $result[$index] = $unitOfWork->createEntity($entityEntry->class, $data, self::$hints);
        }

        $unitOfWork->hydrationComplete();

        return $result;
    }