/**
* Detect truncate table names by class metadatas
*
* @param array $metadatas Class metadata list
*
* @return array
*/
protected function detectTruncateTables(array $metadatas)
{
$calc = new \Doctrine\ORM\Internal\CommitOrderCalculator();
foreach ($metadatas as $class) {
$calc->addClass($class);
foreach ($class->associationMappings as $assoc) {
if ($assoc['isOwningSide']) {
$targetClass = static::$em->getClassMetadata($assoc['targetEntity']);
if (!$calc->hasClass($targetClass->name)) {
$calc->addClass($targetClass);
}
// add dependency ($targetClass before $class)
$calc->addDependency($targetClass, $class);
}
}
}
$commitOrder = $calc->getCommitOrder();
$associationTables = array();
foreach ($commitOrder as $class) {
foreach ($class->associationMappings as $assoc) {
if ($assoc['isOwningSide'] && $assoc['type'] == \Doctrine\ORM\Mapping\ClassMetadata::MANY_TO_MANY) {
$associationTables[] = $assoc['joinTable']['name'];
}
}
}
$orderedTables = array_unique($associationTables);
// Truncate tables in reverse commit order
foreach (array_reverse($commitOrder) as $class) {
if ((!$class->isInheritanceTypeSingleTable() || $class->name == $class->rootEntityName) && !$class->isMappedSuperclass && !in_array($class->getTableName(), $orderedTables)) {
$orderedTables[] = $class->getTableName();
}
}
return $orderedTables;
}
protected function getCommitOrder(\Doctrine\ORM\EntityManager $em, array $classes)
{
$calc = new Doctrine\ORM\Internal\CommitOrderCalculator();
foreach ($classes as $class) {
$calc->addClass($class);
foreach ($class->associationMappings as $assoc) {
if ($assoc->isOwningSide) {
$targetClass = $em->getClassMetadata($assoc->targetEntityName);
if (!$calc->hasClass($targetClass->name)) {
$calc->addClass($targetClass);
}
// add dependency ($targetClass before $class)
$calc->addDependency($targetClass, $class);
}
}
}
return $calc->getCommitOrder();
}