protected function getCacheId()
{
$hints = $this->query->getHints();
ksort($hints);
$types = array();
foreach ($this->query->getParameters() as $parameter) {
$types[$parameter->getName()] = $parameter->getType();
}
$platform = $this->query->getEntityManager()->getConnection()->getDatabasePlatform()->getName();
return md5(serialize(['dql' => $this->query->getDQL(), 'platform' => $platform, 'filters' => $this->query->getEntityManager()->hasFilters() ? $this->query->getEntityManager()->getFilters()->getHash() : '', 'firstResult' => $this->query->getFirstResult(), 'maxResult' => $this->query->getMaxResults(), 'hydrationMode' => $this->query->getHydrationMode(), 'types' => $types, 'hints' => $hints, 'salt' => __CLASS__ . 'V1']));
}
/**
* Resolve DQL alias into class metadata
*
* @param AbstractQuery $query
* @param string $alias
* @return array | null
*/
protected function getEntityFromAlias(AbstractQuery $query, $alias = null)
{
$em = $query->getEntityManager();
$ast = $query->getAST();
$fromClause = $ast->fromClause;
foreach ($fromClause->identificationVariableDeclarations as $root) {
$className = $root->rangeVariableDeclaration->abstractSchemaName;
$classAlias = $root->rangeVariableDeclaration->aliasIdentificationVariable;
if ($classAlias == $alias || null === $alias) {
return array('alias' => $classAlias, 'metadata' => $em->getClassMetadata($className));
} else {
foreach ($root->joins as $join) {
$joinAlias = $join->joinAssociationDeclaration->aliasIdentificationVariable;
$joinField = $join->joinAssociationDeclaration->joinAssociationPathExpression->associationField;
if ($joinAlias == $alias) {
$metadata = $em->getClassMetadata($className);
$joinName = $metadata->associationMappings[$joinField]['targetEntity'];
return array('alias' => $joinAlias, 'metadata' => $em->getClassMetadata($joinName));
}
}
}
}
}
/**
* @param AbstractQuery $query
* @param int $batchSize
*
* @return self
*/
public static function fromQuery(AbstractQuery $query, $batchSize)
{
return new self($query->iterate(), $query->getEntityManager(), $batchSize);
}
