symfony - Doctrine2: Unable to override generated value strategy? -

i have entity id such:

/**  * @orm\column(type="integer")  * @orm\id  * @orm\generatedvalue(strategy="auto")  */ protected $id; 

i'm migrating data entity, , want preserve existing keys. looked @ "explicitly set id doctrine when using "auto" strategy" , found should able following:

$newdata = ... // array containing data bring in  $newentity = new myentity(); $newentity->setid($newdata['id']); $newentity->... // set other data fields  $em->persist($newentity); $metadata = $em->getclassmetadata('\cs\acmebundle\entity\myentity'); $metadata->setidgenerator(new \doctrine\orm\id\assignedgenerator()); $em->flush(); 

however, doctrine not using provided id. it's ignoring when inserting. i've tried approach instead, since people seemed have had luck (even tried both):

$metadata->setidgeneratortype(\doctrine\orm\mapping\classmetadata::generator_type_none); 

but doesn't change anything. id's still inserted automatically database. in query log, see doctrine isn't attempting insert id.

if remove @orm\generatedvalue(strategy="auto") myentity annotations, migration respect provided id give it. want override during migration.

i'm using doctrine 2.4.2.

for technique work, must use second of these:

$metadata = $em->getclassmetadata('\cs\acmebundle\entity\myentity'); $metadata = $em->getclassmetadata('cs\acmebundle\entity\myentity'); 

the problem doctrine return same class meta data values both. both correctly identify class file, read annotations, etc. equivalent, except 1 absolute namespace , other not.

but these strings return different instances getclassmetadata. changes 1 won't reflect in other. if want intended technique work, must use second form, because unitofwork uses. uses normalization:

// \doctrine\orm\unitofwork->getcommitorder() ... $classname = $this->em->getclassmetadata(get_class($entity))->name; $class = $this->em->getclassmetadata($classname); ... 

note in linked-to question, solution uses get_class($entity). sufficient correct behavior.

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even more detail: after lot of stepping through code, noticed \doctrine\common\persistence\mapping\abstractclassmetadatafactory memoizing both versions of class name string in private property $loadedmetadata. version being used flush entities 1 without leading slash, , editing 1 leading slash.

because both strings return same data, think represents bug in implementation.