/**
* Push all recorded changes to the backend.
*
* The order is important to avoid conflicts
* 1. remove nodes
* 2. move nodes
* 3. add new nodes
* 4. commit any other changes
*
* @return void
*/
public function save()
{
// TODO: start transaction
// remove nodes/properties
foreach ($this->itemsRemove as $path => $dummy) {
$this->transport->deleteNode($path);
}
// move nodes/properties
foreach ($this->nodesMove as $src => $dst) {
$this->transport->moveNode($src, $dst);
}
// filter out sub-nodes and sub-properties since the top-most nodes that are
// added will create all sub-nodes and sub-properties at once
$nodesToCreate = $this->itemsAdd;
foreach ($nodesToCreate as $path => $dummy) {
foreach ($nodesToCreate as $path2 => $dummy) {
if (strpos($path2, $path . '/') === 0) {
unset($nodesToCreate[$path2]);
}
}
}
// create new nodes
foreach ($nodesToCreate as $path => $dummy) {
$item = $this->getNodeByPath($path);
if ($item instanceof \PHPCR\NodeInterface) {
$this->transport->storeNode($path, $item->getProperties(), $item->getNodes());
} elseif ($item instanceof \PHPCR\PropertyInterface) {
$this->transport->storeProperty($path, $item);
} else {
throw new \UnexpectedValueException('Unknown type ' . get_class($item));
}
}
// loop through cached nodes and commit all dirty and set them to clean.
if (isset($this->objectsByPath['Node'])) {
foreach ($this->objectsByPath['Node'] as $path => $item) {
if ($item->isModified()) {
if ($item instanceof \PHPCR\NodeInterface) {
foreach ($item->getProperties() as $propertyName => $property) {
if ($property->isModified()) {
$this->transport->storeProperty($property->getPath(), $property);
}
}
} elseif ($item instanceof \PHPCR\PropertyInterface) {
if ($item->getNativeValue() === null) {
$this->transport->deleteProperty($path);
} else {
$this->transport->storeProperty($path, $item);
}
} else {
throw new \UnexpectedValueException('Unknown type ' . get_class($item));
}
}
}
}
// TODO: have a davex client method to commit transaction
// commit changes to the local state
foreach ($this->itemsRemove as $path => $dummy) {
unset($this->objectsByPath['Node'][$path]);
}
/* local state is already updated in moveNode
foreach ($this->nodesMove as $src => $dst) {
$this->objectsByPath[$dst] = $this->objectsByPath[$src];
unset($this->objectsByPath[$src]);
}
*/
foreach ($this->itemsAdd as $path => $dummy) {
$item = $this->getNodeByPath($path);
$item->confirmSaved();
}
if (isset($this->objectsByPath['Node'])) {
foreach ($this->objectsByPath['Node'] as $path => $item) {
if ($item->isModified()) {
$item->confirmSaved();
}
}
}
$this->itemsRemove = array();
$this->nodesMove = array();
$this->itemsAdd = array();
}