/**
* Push all recorded changes to the backend.
*
* The order is important to avoid conflicts
* 1. operationsLog
* 2. commit any other changes
*
* If transactions are enabled but we are not currently inside a
* transaction, the session is responsible to start a transaction to make
* sure the backend state does not get messed up in case of error.
*/
public function save()
{
if (!$this->transport instanceof WritingInterface) {
throw new UnsupportedRepositoryOperationException('Transport does not support writing');
}
try {
$this->transport->prepareSave();
$this->executeOperations($this->operationsLog);
// loop through cached nodes and commit all dirty and set them to clean.
if (isset($this->objectsByPath['Node'])) {
foreach ($this->objectsByPath['Node'] as $node) {
/** @var $node Node */
if ($node->isModified()) {
if (!$node instanceof NodeInterface) {
throw new RepositoryException('Internal Error: Unknown type ' . get_class($node));
}
$this->transport->updateProperties($node);
if ($node->needsChildReordering()) {
$this->transport->reorderChildren($node);
}
}
}
}
$this->transport->finishSave();
} catch (\Exception $e) {
$this->transport->rollbackSave();
if (!$e instanceof RepositoryException) {
throw new RepositoryException('Error inside the transport layer: ' . $e->getMessage(), null, $e);
}
throw $e;
}
foreach ($this->operationsLog as $operation) {
if ($operation instanceof MoveNodeOperation) {
if (isset($this->objectsByPath['Node'][$operation->dstPath])) {
// might not be set if moved again afterwards
// move is not treated as modified, need to confirm separately
$this->objectsByPath['Node'][$operation->dstPath]->confirmSaved();
}
}
}
//clear those lists before reloading the newly added nodes from backend, to avoid collisions
$this->nodesRemove = array();
$this->propertiesRemove = array();
$this->nodesMove = array();
foreach ($this->operationsLog as $operation) {
if ($operation instanceof AddNodeOperation) {
if (!$operation->node->isDeleted()) {
$operation->node->confirmSaved();
}
}
}
if (isset($this->objectsByPath['Node'])) {
foreach ($this->objectsByPath['Node'] as $item) {
/** @var $item Item */
if ($item->isModified() || $item->isMoved()) {
$item->confirmSaved();
}
}
}
$this->nodesAdd = array();
$this->operationsLog = array();
}
