getNodeByIdentifier() public method

Get a node by identifier and this context
public getNodeByIdentifier ( string $identifier ) : Neos\ContentRepository\Domain\Model\NodeInterface
$identifier string The identifier of a node
return Neos\ContentRepository\Domain\Model\NodeInterface The node with the given identifier or NULL if no such node exists
 /**
  * Maps the property value (an array of node identifiers) to the Node objects if needed.
  *
  * @param array $value
  * @return array
  */
 protected function resolvePropertyReferences($value = [])
 {
     $nodes = array_map(function ($nodeIdentifier) {
         return $this->context->getNodeByIdentifier($nodeIdentifier);
     }, $value);
     return array_filter($nodes);
 }
 /**
  * Iterates through the given $properties setting them on the specified $node using the appropriate TypeConverters.
  *
  * @param object $nodeLike
  * @param NodeType $nodeType
  * @param array $properties
  * @param TYPO3CRContext $context
  * @param PropertyMappingConfigurationInterface $configuration
  * @return void
  * @throws TypeConverterException
  */
 protected function setNodeProperties($nodeLike, NodeType $nodeType, array $properties, TYPO3CRContext $context, PropertyMappingConfigurationInterface $configuration = null)
 {
     $nodeTypeProperties = $nodeType->getProperties();
     unset($properties['_lastPublicationDateTime']);
     foreach ($properties as $nodePropertyName => $nodePropertyValue) {
         if (substr($nodePropertyName, 0, 2) === '__') {
             continue;
         }
         $nodePropertyType = isset($nodeTypeProperties[$nodePropertyName]['type']) ? $nodeTypeProperties[$nodePropertyName]['type'] : null;
         switch ($nodePropertyType) {
             case 'reference':
                 $nodePropertyValue = $context->getNodeByIdentifier($nodePropertyValue);
                 break;
             case 'references':
                 $nodeIdentifiers = json_decode($nodePropertyValue);
                 $nodePropertyValue = array();
                 if (is_array($nodeIdentifiers)) {
                     foreach ($nodeIdentifiers as $nodeIdentifier) {
                         $referencedNode = $context->getNodeByIdentifier($nodeIdentifier);
                         if ($referencedNode !== null) {
                             $nodePropertyValue[] = $referencedNode;
                         }
                     }
                 } elseif ($nodeIdentifiers !== null) {
                     throw new TypeConverterException(sprintf('node type "%s" expects an array of identifiers for its property "%s"', $nodeType->getName(), $nodePropertyName), 1383587419);
                 }
                 break;
             case 'DateTime':
                 if ($nodePropertyValue !== '' && ($nodePropertyValue = \DateTime::createFromFormat(\DateTime::W3C, $nodePropertyValue)) !== false) {
                     $nodePropertyValue->setTimezone(new \DateTimeZone(date_default_timezone_get()));
                 } else {
                     $nodePropertyValue = null;
                 }
                 break;
             case 'integer':
                 $nodePropertyValue = intval($nodePropertyValue);
                 break;
             case 'boolean':
                 if (is_string($nodePropertyValue)) {
                     $nodePropertyValue = $nodePropertyValue === 'true' ? true : false;
                 }
                 break;
             case 'array':
                 $nodePropertyValue = json_decode($nodePropertyValue, true);
                 break;
         }
         if (substr($nodePropertyName, 0, 1) === '_') {
             $nodePropertyName = substr($nodePropertyName, 1);
             ObjectAccess::setProperty($nodeLike, $nodePropertyName, $nodePropertyValue);
             continue;
         }
         if (!isset($nodeTypeProperties[$nodePropertyName])) {
             if ($configuration !== null && $configuration->shouldSkipUnknownProperties()) {
                 continue;
             } else {
                 throw new TypeConverterException(sprintf('Node type "%s" does not have a property "%s" according to the schema', $nodeType->getName(), $nodePropertyName), 1359552744);
             }
         }
         $innerType = $nodePropertyType;
         if ($nodePropertyType !== null) {
             try {
                 $parsedType = TypeHandling::parseType($nodePropertyType);
                 $innerType = $parsedType['elementType'] ?: $parsedType['type'];
             } catch (InvalidTypeException $exception) {
             }
         }
         if (is_string($nodePropertyValue) && $this->objectManager->isRegistered($innerType) && $nodePropertyValue !== '') {
             $nodePropertyValue = $this->propertyMapper->convert(json_decode($nodePropertyValue, true), $nodePropertyType, $configuration);
         }
         $nodeLike->setProperty($nodePropertyName, $nodePropertyValue);
     }
 }