/**
* @param \Doctrine\DBAL\Schema\Sequence $sequence
*
* @return void
*
* @throws \Doctrine\DBAL\Schema\SchemaException
*/
protected function _addSequence(Sequence $sequence)
{
$namespaceName = $sequence->getNamespaceName();
$seqName = $sequence->getFullQualifiedName($this->getName());
if (isset($this->_sequences[$seqName])) {
throw SchemaException::sequenceAlreadyExists($seqName);
}
if (!$sequence->isInDefaultNamespace($this->getName()) && !$this->hasNamespace($namespaceName)) {
$this->createNamespace($namespaceName);
}
$this->_sequences[$seqName] = $sequence;
}