doctrine / orm

     *

     * @return \Doctrine\ORM\Cache\EntityCacheKey

     */

    private function buildEntityCacheKey(ClassMetadata $metadata, $identifier)

    {

        if ( ! is_array($identifier)) {

            $identifier = $this->toIdentifierArray($metadata, $identifier);

        }

        return new EntityCacheKey($metadata->rootEntityName, $identifier);

    }

    /**

     * @param \Doctrine\ORM\Mapping\ClassMetadata $metadata        The entity metadata.

     *

     * @return \Doctrine\ORM\Cache\CollectionCacheKey

     */

    private function buildCollectionCacheKey(ClassMetadata $metadata, $association, $ownerIdentifier)

    {

        if ( ! is_array($ownerIdentifier)) {

            $ownerIdentifier = $this->toIdentifierArray($metadata, $ownerIdentifier);

        }

        return new CollectionCacheKey($metadata->rootEntityName, $association, $ownerIdentifier);

    }

    /**

     * @param \Doctrine\ORM\Mapping\ClassMetadata $metadata   The entity metadata.