/**
* Convenient access to the last handler return value.
*
* If the collection is empty, returns null. Otherwise, returns value
* returned by last handler.
*
* @return mixed The last handler return value
*/
public function last()
{
if (count($this) === 0) {
return null;
}
return parent::top();
}
/**
* Builds a Hierarchy of every entity in the Class metadata.
* @param ClassMetadataFactory $metadataFactory
* @return MetadataNode[]
*/
protected function buildHierarchy(ClassMetadataFactory $metadataFactory)
{
$this->hierarchy = array();
$stack = new SplStack();
foreach ($metadataFactory->getAllMetadata() as $metadata) {
$stack->push($metadata->getName());
}
while (!$stack->isEmpty()) {
$meta = $metadataFactory->getMetadataFor($stack->pop());
$name = $meta->getName();
$node = $this->getNode($name);
$parent = $meta->getReflectionClass()->getParentClass();
if ($parent != null && $metadataFactory->hasMetadataFor($parent->getName())) {
$parentNode = $this->getNode($metadataFactory->getMetadataFor($parent->getName())->getName());
$node->setParent($parentNode);
$parentNode->addChild($node);
}
}
return $this->hierarchy;
}
/**
* {@inheritDoc}
*/
public function collect()
{
$collection = array();
foreach ($this->getPaths() as $path) {
$locations = new SplStack();
$pathInfo = new SplFileInfo($path);
$locations->push($pathInfo);
$basePath = $this->normalizePath($pathInfo->getRealPath());
while (!$locations->isEmpty()) {
/** @var SplFileInfo $pathInfo */
$pathInfo = $locations->pop();
if (!$pathInfo->isReadable()) {
continue;
}
if ($pathInfo->isDir()) {
$dir = new DirectoryResource($pathInfo->getRealPath());
foreach ($dir as $resource) {
$locations->push(new SplFileInfo($resource));
}
} elseif (!isset($collection[$pathInfo->getPath()])) {
$collection[] = substr($pathInfo->getRealPath(), strlen($basePath));
}
}
}
return $collection;
}
/**
* {@inheritDoc}
*/
public function collect()
{
$collection = array();
foreach ($this->aliases as $alias => $path) {
$locations = new SplStack();
$pathInfo = new SplFileInfo($path);
$locations->push($pathInfo);
$basePath = $this->normalizePath($pathInfo->getRealPath());
while (!$locations->isEmpty()) {
/** @var SplFileInfo $pathInfo */
$pathInfo = $locations->pop();
if (!$pathInfo->isReadable()) {
throw new RuntimeException(sprintf('%s is not readable.', $pathInfo->getPath()));
}
if ($pathInfo->isDir()) {
foreach (new DirectoryResource($pathInfo->getRealPath()) as $resource) {
$locations->push(new SplFileInfo($resource));
}
} else {
$collection[] = $alias . substr($pathInfo->getRealPath(), strlen($basePath));
}
}
}
return array_unique($collection);
}