/**
  * Method which does the actual work of discarding, includes a protection against endless recursions and
  * multiple discarding of the same node.
  *
  * @param NodeInterface $node The node to discard
  * @param array &$alreadyDiscardedNodeIdentifiers List of node identifiers which already have been discarded during one discardNode() run
  * @return void
  * @throws \TYPO3\TYPO3CR\Exception\WorkspaceException
  */
 protected function doDiscardNode(NodeInterface $node, array &$alreadyDiscardedNodeIdentifiers = [])
 {
     if ($node->getWorkspace()->getBaseWorkspace() === null) {
         throw new WorkspaceException('Nodes in a in a workspace without a base workspace cannot be discarded.', 1395841899);
     }
     if ($node->getPath() === '/') {
         return;
     }
     if (array_search($node->getIdentifier(), $alreadyDiscardedNodeIdentifiers) !== false) {
         return;
     }
     $alreadyDiscardedNodeIdentifiers[] = $node->getIdentifier();
     $possibleShadowNodeData = $this->nodeDataRepository->findOneByMovedTo($node->getNodeData());
     if ($possibleShadowNodeData instanceof NodeData) {
         if ($possibleShadowNodeData->getMovedTo() !== null) {
             $parentBasePath = $node->getPath();
             $affectedChildNodeDataInSameWorkspace = $this->nodeDataRepository->findByParentAndNodeType($parentBasePath, null, $node->getWorkspace(), null, false, true);
             foreach ($affectedChildNodeDataInSameWorkspace as $affectedChildNodeData) {
                 /** @var NodeData $affectedChildNodeData */
                 $affectedChildNode = $this->nodeFactory->createFromNodeData($affectedChildNodeData, $node->getContext());
                 $this->doDiscardNode($affectedChildNode, $alreadyDiscardedNodeIdentifiers);
             }
         }
         $this->nodeDataRepository->remove($possibleShadowNodeData);
     }
     $this->nodeDataRepository->remove($node);
     $this->emitNodeDiscarded($node);
 }
 /**
  * Discards the given node.
  *
  * @param NodeInterface $node
  * @return void
  * @throws \TYPO3\TYPO3CR\Exception\WorkspaceException
  * @api
  */
 public function discardNode(NodeInterface $node)
 {
     if ($node->getWorkspace()->getBaseWorkspace() === NULL) {
         throw new WorkspaceException('Nodes in a in a workspace without a base workspace cannot be discarded.', 1395841899);
     }
     $possibleShadowNodeData = $this->nodeDataRepository->findOneByMovedTo($node->getNodeData());
     if ($possibleShadowNodeData !== NULL) {
         $this->nodeDataRepository->remove($possibleShadowNodeData);
     }
     if ($node->getPath() !== '/') {
         $this->nodeDataRepository->remove($node);
         $this->emitNodeDiscarded($node);
     }
 }
 /**
  * Move the given node instance to the target workspace
  *
  * If no target node variant (having the same dimension values) exists in the target workspace, the node that
  * is published will be used as a new node variant in the target workspace.
  *
  * @param NodeInterface $node The node to publish
  * @param Workspace $targetWorkspace The workspace to publish to
  * @return void
  */
 protected function moveNodeVariantToTargetWorkspace(NodeInterface $node, Workspace $targetWorkspace)
 {
     $nodeData = $node->getNodeData();
     $movedShadowNodeData = $this->nodeDataRepository->findOneByMovedTo($nodeData);
     if ($movedShadowNodeData instanceof NodeData && $movedShadowNodeData->isRemoved()) {
         $this->nodeDataRepository->remove($movedShadowNodeData);
     }
     if ($targetWorkspace->getBaseWorkspace() === null && $node->isRemoved()) {
         $this->nodeDataRepository->remove($nodeData);
     } else {
         $nodeData->setWorkspace($targetWorkspace);
         $nodeData->setLastPublicationDateTime($this->now);
         $this->nodeService->cleanUpProperties($node);
     }
     $node->setNodeDataIsMatchingContext(null);
 }
 /**
  * Look for a shadow node of $publishedNodeData either adjust or remove it based on $targetWorkspace if the shadow
  * node is marked as removed.
  *
  * @param NodeData $publishedNodeData
  * @param Workspace $targetWorkspace
  * @param NodeData $targetNodeData
  * @return boolean false if no shadow node was found, true otherwise
  */
 protected function handleShadowNodeData(NodeData $publishedNodeData, Workspace $targetWorkspace, NodeData $targetNodeData)
 {
     /** @var NodeData $shadowNodeData */
     $shadowNodeData = $this->nodeDataRepository->findOneByMovedTo($publishedNodeData);
     if ($shadowNodeData === null) {
         return false;
     }
     // Technically this is not a shadow node
     if ($shadowNodeData->isRemoved() === false) {
         return true;
     }
     $targetWorkspaceBase = $targetWorkspace->getBaseWorkspace();
     if ($targetWorkspaceBase !== null) {
         $this->adjustShadowNodeData($shadowNodeData, $publishedNodeData, $targetWorkspace, $targetNodeData);
     } else {
         $this->nodeDataRepository->remove($shadowNodeData);
     }
     return true;
 }