Core::createMetadata() - Code Metrics - Inspection of "Added module property injections" - samsonos/php_core - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 3e9332...26b945 )

by Vitaly
created 2016-08-25 20:19 UTC
Core::createMetadata() B

↳ Parent: Core
Complexity

Conditions	1
Paths	1
Size

Total Lines	24
Code Lines	18
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	0
CRAP Score	2
Importance

Changes
Metric	Value
cc	1
eloc	18
c	0
b	0
f	0
nc	1
nop	4
dl	0
loc	24
ccs	0
cts	0
cp	0
crap	2
rs	8.9713
<?php declare(strict_types=1);
/*
 * This file is part of the SamsonPHP\Core package.
 * (c) 2013 Vitaly Iegorov <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace samson\core;

use Doctrine\Common\Annotations\AnnotationReader;
use samsonframework\container\Builder;
use samsonframework\container\metadata\ClassMetadata;
use samsonframework\container\metadata\MethodMetadata;
use samsonframework\container\metadata\PropertyMetadata;
use samsonframework\containerannotation\AnnotationClassResolver;
use samsonframework\containerannotation\AnnotationMetadataCollector;
use samsonframework\containerannotation\AnnotationMethodResolver;
use samsonframework\containerannotation\AnnotationPropertyResolver;
use samsonframework\containerannotation\AnnotationResolver;
use samsonframework\containerannotation\Inject;
use samsonframework\containerannotation\Injectable;
use samsonframework\containerannotation\InjectArgument;
use samsonframework\core\SystemInterface;
use samsonframework\di\ContainerInterface;
use samsonframework\resource\ResourceMap;
use samsonphp\config\Scheme;
use samsonphp\core\exception\CannotLoadModule;
use samsonphp\core\exception\ViewPathNotFound;
use samsonphp\event\Event;
use samsonframework\container\ContainerBuilderInterface;

/**
 * SamsonPHP Core.
 *
 * @author Vitaly Iegorov <[email protected]>
 */
class Core implements SystemInterface
{
    /** @var ContainerInterface */
    protected $container;

    /** @var ClassMetadata[] */
    protected $metadataCollection = [];

    /** @var ContainerBuilderInterface */
    protected $builder;

    /** @var string Current system environment */
    protected $environment;

    /* Rendering models */
    /** @deprecated Standard algorithm for view rendering */
    const RENDER_STANDART = 1;
    /** @deprecated View rendering algorithm from array of view variables */
    const RENDER_VARIABLE = 3;

    /** @deprecated @var  ResourceMap Current web-application resource map */
    public $map;
   
    /** @deprecated @var string Path to current web-application */
    public $system_path = __SAMSON_CWD__;
    /** @deprecated @var string View path loading mode */
    public $render_mode = self::RENDER_STANDART;
    /** @var Module Pointer to current active module */
    protected $active = null;
    /** @var bool Flag for outputting layout template, used for asynchronous requests */
    protected $async = false;
    /** @var string Path to main system template */
    protected $template_path = __SAMSON_DEFAULT_TEMPLATE;

    /** @return \Container Get system container */
    public function getContainer()
    {
        return $this->container;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * Core constructor.
     *
     * @param ContainerBuilderInterface $builder Container builder
     * @param ResourceMap|null $map system resources
     */
    public function __construct(ContainerBuilderInterface $builder, ResourceMap $map = null)
    {
        $this->builder = $builder;

        if (!isset($map)) {
            // Get correct web-application path
            $this->system_path = __SAMSON_CWD__;


            // Get web-application resource map
            $this->map = ResourceMap::get($this->system_path, false, array('src/'));

        } else { // Use data from passed map
            $this->map = $map;

            $this->system_path = $map->entryPoint;

        }

        // Temporary add template worker
        $this->subscribe('core.rendered', array($this, 'generateTemplate'));

        // Fire core creation event
        Event::fire('core.created', array(&$this));

        // Signal core configure event
        Event::signal('core.configure', array($this->system_path . __SAMSON_CONFIG_PATH));

    }

    /**
     * Generic wrap for Event system subscription.
     * @see \samson\core\\samsonphp\event\Event::subscribe()
     *
     * @param string   $key     Event identifier
     * @param callable $handler Event handler
     * @param array    $params  Event parameters
     *
     * @return $this Chaining
     */
    public function subscribe($key, $handler, $params = array())
    {
        Event::subscribe($key, $handler, $params);

        return $this;
    }

    /**
     * Change current system working environment or receive
     * current system enviroment if no arguments are passed.
     *
     * @param string $environment Environment identifier
     *
     * TODO: Function has two different logics - needs to be changed!
     * @return $this|string Chaining or current system environment
     */
    public function environment($environment = Scheme::BASE)
    {
        if (func_num_args() !== 0) {
            $this->environment = $environment;

            // Signal core environment change
            Event::signal('core.environment.change', array($environment, &$this));
            return $this;
        }

        return $this->environment;
    }

    /**
     * Generate special response header triggering caching mechanisms
     * @param int $cacheLife Amount of seconds for cache(default 3600 - 1 hour)
     * @param string $accessibility Cache-control accessibility value(default public)
     */
    public function cached($cacheLife = 3600, $accessibility = 'public')
    {
        static $cached;
        // Protect sending cached headers once
        if (!isset($cached) or $cached !== true) {
            header('Expires: ' . gmdate('D, d M Y H:i:s T', time() + $cacheLife));
            header('Cache-Control: ' . $accessibility . ', max-age=' . $cacheLife);
            header('Pragma: cache');

            $cached = true;
        }
    }

    /**
     * Set asynchronous mode.
     * This mode will not output template and will just path everything that
     * was outputted to client.
     *
     * @param bool $async True to switch to asynchronous output mode
     *
     * @return $this Chaining
     */
    public function async($async)
    {
        $this->async = $async;

        return $this;
    }

    /** @see iCore::path() */
    public function path($path = null)
    {
        // Если передан аргумент
        if (func_num_args()) {
            // Сформируем новый относительный путь к главному шаблону системы
            $this->template_path = $path . $this->template_path;

            // Сохраним относительный путь к Веб-приложению
            $this->system_path = $path;


            // Продолжил цепирование
            return $this;
        }

        // Вернем текущее значение
        return $this->system_path;

    }

    /**    @see iModule::active() */
    public function &active(&$module = null)
    {
        // Сохраним старый текущий модуль
        $old = &$this->active;

        // Если передано значение модуля для установки как текущий - проверим и установим его
        if (isset($module)) {
            $this->active = &$module;
        }

        // Вернем значение текущего модуля
        return $old;
    }

    /**
     * Retrieve module instance by identifier.
     *
     * @param string|null $module Module identifier
     *
     * @return null|Module Found or active module
     */
    public function &module($module = null)
    {
        $return = null;

        // Ничего не передано - вернем текущуй модуль системы
        if (!isset($module) && isset($this->active)) {
            $return = &$this->active;
        } elseif (is_object($module)) {
            $return = &$module;
        } elseif (is_string($module)) {
            $return = $this->container->get($module);
        }

        // Ничего не получилось вернем ошибку
        if ($return === null) {
            e('Не возможно получить модуль(##) системы', E_SAMSON_CORE_ERROR, array($module));

        }

        return $return;
    }

    /**
     * Unload module from core.
     *
     * @param string $moduleID Module identifier
     */
    public function unload($moduleID)
    {
        if (isset($this->module_stack[$moduleID])) {
class MyClass { }

$x = new MyClass();
$x->foo = true;
            unset($this->module_stack[$moduleID]);
        }
    }

    /**
     * Insert generic html template tags and data
     *
     * @param string $templateHtml Generated HTML
     *
     * @deprecated Must be moved to a new HTML output object
     * @return mixed Changed HTML template
     */
    public function generateTemplate(&$templateHtml)
    {
        // Добавим путь к ресурсам для браузера
        $headHtml = "\n" . '<base href="' . url()->base() . '">';
        // Добавим отметку времени для JavaScript
        $headHtml .= "\n" . '<script type="text/javascript">var __SAMSONPHP_STARTED = new Date().getTime();</script>';

        // Добавим поддержку HTML для старых IE
        $headHtml .= "\n" . '<!--[if lt IE 9]>';
        $headHtml .= "\n" . '<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>';
        $headHtml .= "\n" . '<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>';
        $headHtml .= "\n" . '<![endif]-->';

        // Выполним вставку главного тега <base> от которого зависят все ссылки документа
        // также подставим МЕТА-теги для текущего модуля и сгенерированный минифицированный CSS
        $templateHtml = str_ireplace('<head>', '<head>' . $headHtml, $templateHtml);

        // Вставим указатель JavaScript ресурсы в конец HTML документа
        $templateHtml = str_ireplace('</html>', '</html>' . __SAMSON_COPYRIGHT, $templateHtml);

        return $templateHtml;
    }

    /**
     * Start SamsonPHP framework.
     *
     * @param string $default Default module identifier
     *
     * @throws ViewPathNotFound
     */
    public function start($default)
    {
        // TODO: Change ExternalModule::init() signature
        // Fire core started event
        Event::fire('core.started');

        // TODO: Does not see why it should be here
        // Set main template path
        $this->template($this->template_path);

        // Security layer
        $securityResult = true;
        // Fire core security event
        Event::fire('core.security', array(&$this, &$securityResult));

        /** @var mixed $result External route controller action result */
        $result = false;

        // If we have passed security application layer
        if ($securityResult) {
            // Fire core routing event - go to routing application layer
            Event::signal('core.routing', array(&$this, &$result, $default));
        }

        // If no one has passed back routing callback
        if (!isset($result) || $result === false) {
            // Fire core e404 - routing failed event
            $result = Event::signal('core.e404', array(url()->module, url()->method));
        }

        // Response
        $output = '';

        // If this is not asynchronous response and controller has been executed
        if (!$this->async && ($result !== false)) {
            // Store module data
            $data = $this->active->toView();

            // Render main template
            $output = $this->render($this->template_path, $data);

            // Fire after render event
            Event::fire('core.rendered', array(&$output));
        }

        // Output results to client
        echo $output;

        // Fire ended event
        Event::fire('core.ended', array(&$output));
    }

    /**	@see iCore::template() */
    public function template( $template = NULL, $absolutePath = false )

    {
        // Если передан аргумент
        if( func_num_args() ){

            $this->template_path = ($absolutePath)?$template:$this->active->path().$template;
        }

        // Аргументы не переданы - вернем текущий путь к шаблону системы
        return $this->template_path;
    }

    /**
     * Render file to a buffer.
     *
     * @param string $view Path to file
     * @param array  $data Collection of variables to path to file
     *
     * @return string Rendered file contents
     * @throws ViewPathNotFound
     */
    public function render($view, $data = array())
    {
        // TODO: Make rendering as external system, to split up these 3 rendering options

        // Объявить ассоциативный массив переменных в данном контексте
        if (is_array($data)) {
            extract($data);
        }

        // Начать вывод в буффер
        ob_start();

        // Path to another template view, by default we are using default template folder path,
        // for meeting first condition
        $templateView = $view;

        if (locale() != SamsonLocale::DEF) {
            // Modify standard view path with another template
            $templateView = str_replace(__SAMSON_VIEW_PATH, __SAMSON_VIEW_PATH . locale() . '/', $templateView);
        }

        // Depending on core view rendering model
        switch ($this->render_mode) {

            // Standard algorithm for view rendering
            case self::RENDER_STANDART:

                // Trying to find another template path, by default it's an default template path
                if (file_exists($templateView)) {
                    include($templateView);
                } elseif (file_exists($view)) {
                    // If another template wasn't found - we will use default template path
                    include($view);
                } else { // Error no template view was found
                    throw(new ViewPathNotFound($view));
                }
                break;

            // View rendering algorithm from array of view variables
            case self::RENDER_VARIABLE:

                // Collection of views
                $views = &$GLOBALS['__compressor_files'];
                // Trying to find another template path, by default it's an default template path
                if (isset($views[$templateView])) {
                    eval(' ?>' . $views[$templateView] . '<?php ');
                } elseif (isset($views[$view])) {
                    // If another template wasn't found - we will use default template path
                    eval(' ?>' . $views[$view] . '<?php ');
                } else { // Error no template view was found
                    throw(new ViewPathNotFound($view));
                }
                break;
        }

        // Получим данные из буффера вывода
        $html = ob_get_contents();

        // Очистим буффер
        ob_end_clean();

        // Fire core render event
        Event::fire('core.render', array(&$html, &$data, &$this->active));

        ////elapsed('End rendering '.$__view);
        return $html;
    }

    //[PHPCOMPRESSOR(remove,start)]

    /**
     * Load system from composer.json
     * @param string $dependencyFilePath Path to dependencies file
     * @return $this Chaining
     */
    public function composer($dependencyFilePath = null)
    {
        $composerModules = array();

        Event::fire(
            'core.composer.create',
            array(
                &$composerModules,
                isset($dependencyFilePath) ? $dependencyFilePath : $this->system_path,

                array(
                    'vendorsList' => array('samsonphp/', 'samsonos/', 'samsoncms/', 'samsonjavascript/'),
                    'ignoreKey' => 'samson_module_ignore',
                    'includeKey' => 'samson_module_include'
                )
            )
        );

        $modulesToLoad = [];

        // Iterate requirements
        foreach ($composerModules as $requirement => $parameters) {
            $moduleName = $this->load(__SAMSON_CWD__ . __SAMSON_VENDOR_PATH . $requirement,
            array_merge(
                is_array($parameters) ? $parameters : array($parameters),
                array('module_id' => $requirement)
            ));

            $modulesToLoad[$moduleName] = $parameters;
        }

        $localModulesPath = '../src';
        ResourceMap::get('cache');
        // TODO: Nested modules relation
        for ($i = 0; $i < 2; $i++) {
            $resourceMap = ResourceMap::get($localModulesPath);

            foreach ($resourceMap->modules as $moduleFile) {
                $modulePath = str_replace(realpath($localModulesPath), '', $moduleFile[1]);
                $modulePath = explode('/', $modulePath);
                $modulePath = $localModulesPath . '/' . $modulePath[1];
                $moduleName = $this->load($modulePath, $parameters);
foreach ($a as $b) {
}

// $b is defined here only if $a has elements, for example if $a is array()
// then $b would not be defined here. To avoid that, we recommend to set a
// default value for $b.


// Better
$b = 0; // or whatever default makes sense in your context
foreach ($a as $b) {
}

// $b is now guaranteed to be defined here.
                $modulesToLoad[$moduleName] = $parameters;
            }
        }

        //$this->active = new VirtualModule($this->system_path, $this->map, $this, 'local');

        // Create local module and set it as active
        $this->createMetadata(VirtualModule::class, 'local', $this->system_path);


        // TODO: This should be changed to one single logic
        // Require all local module model files
        foreach ($this->map->models as $model) {

            // TODO: Why have to require once?
            require_once($model);
        }

        // Create all local modules
        foreach ($this->map->controllers as $controller) {

            // Require class into PHP
            require($controller);

            //new VirtualModule($this->system_path, $this->map, $this, basename($controller, '.php'));

            $this->createMetadata(VirtualModule::class, basename($controller, '.php'), $this->system_path);

        }

        $metadata = new ClassMetadata();
        $metadata->className = get_class($this);
        $metadata->name = 'core';
        $metadata->scopes[] = Builder::SCOPE_SERVICES;
        $metadata->methodsMetadata['__construct'] = new MethodMetadata($metadata);
        $metadata->methodsMetadata['__construct']->dependencies['map'] = ResourceMap::class;

        $this->metadataCollection[$metadata->name] = $metadata;

        $metadata = new ClassMetadata();
        $metadata->className = ResourceMap::class;
        $metadata->name = 'resource_map';
        $metadata->scopes[] = Builder::SCOPE_SERVICES;

        $this->metadataCollection[$metadata->name] = $metadata;

        // Load annotations
        $classes = [];
        foreach ($this->metadataCollection as $alias => $metadata) {
            $classes[$alias] = $metadata->className;
        }

        // Load annotation and parse classes
        new Injectable();
        new InjectArgument(['var' => 'type']);

        $reader = new AnnotationReader();
        $resolver = new AnnotationResolver(
            new AnnotationClassResolver($reader),
            new AnnotationPropertyResolver($reader),
            new AnnotationMethodResolver($reader)
        );
        $annotationCollector = new AnnotationMetadataCollector($resolver);
        $this->metadataCollection = $annotationCollector->collect($classes, $this->metadataCollection);

        $i18nProperties = $this->metadataCollection['security']->propertiesMetadata['i18n'];
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

        // Gather all interface implementations
        $implementsByAlias = [];
        foreach (get_declared_interfaces() as $interface) {
            foreach (get_declared_classes() as $class) {
                if (in_array($interface, class_implements($class), true)) {
                    // TODO: We should already have metadata by classname collection
                    foreach ($this->metadataCollection as $alias => $metadata) {
                        if ($metadata->className === $class) {
                            $implementsByAlias['\\'.$interface][] = $alias;
                            break;
                        }
                    }
                }
            }
        }

        /**
         * TODO: now we need to implement not forcing to load fixed dependencies into modules
         * to give ability to change constructors and inject old variable into properties
         * and them after refactoring remove them. With this we can only specify needed dependencies
         * in new modules, and still have old ones working.
         */

        foreach ($this->metadataCollection as $alias => $metadata) {
            foreach ($metadata->propertiesMetadata as $property => $propertyMetadata) {
                if (array_key_exists($propertyMetadata->dependency, $implementsByAlias)) {
                    $propertyMetadata->dependency = $implementsByAlias[$propertyMetadata->dependency][0];
                }
            }
            foreach ($metadata->methodsMetadata as $method => $methodMetadata) {
                foreach ($methodMetadata->dependencies as $argument => $dependency) {
                    if (array_key_exists($dependency, $implementsByAlias)) {
                        $methodMetadata->dependencies[$argument] = $implementsByAlias[$dependency][0];
                    }
                }
            }
        }

        // Load container class
        $containerPath = $this->path().'www/cache/Container.php';
        file_put_contents($containerPath, $this->builder->build($this->metadataCollection));
        require_once($containerPath);

        // Inject current core into container
        $this->container = new \Container();

        $containerReflection = new \ReflectionClass(get_class($this->container));
        $serviceProperty = $containerReflection->getProperty(Builder::DI_FUNCTION_SERVICES);
        $serviceProperty->setAccessible(true);
        $containerServices = $serviceProperty->getValue($this->container);
        $containerServices['core'] = $this;
        $serviceProperty->setValue($this->container, $containerServices);
        $serviceProperty->setAccessible(false);

        foreach ($modulesToLoad as $name => $parameters) {
            $instance = $this->container->get($name);

            $identifier = $instance->id();

            // Set composer parameters
            $instance->composerParameters = $parameters;

            // TODO: Change event signature to single approach
            // Fire core module load event
            Event::fire('core.module_loaded', [$identifier, &$instance]);

            // Signal core module configure event
            Event::signal('core.module.configure', [&$instance, $identifier]);

            // Call module preparation handler
            if (!$instance->prepare()) {
                // Handle module failed preparing
            }

            // Trying to find parent class for connecting to it to use View/Controller inheritance
            $parentClass = get_parent_class($instance);
            if (!in_array($parentClass, [ExternalModule::class, CompressableExternalModule::class, Service::class, CompressableService::class], true)) {
                // Переберем загруженные в систему модули
                foreach ($this->getContainer()->getServices('module') as $m) {
                    // Если в систему был загружен модуль с родительским классом
                    if (get_class($m) === $parentClass) {
                        $instance->parent = $m;
                        //elapsed('Parent connection for '.$moduleClass.'('.$connector->uid.') with '.$parent_class.'('.$m->uid.')');
                    }
                }
            }
        }


        $this->active = $this->container->getLocal();

        return $this;
    }

    /**
     * Load module from path to core.
     *
     * @param string $path       Path for module loading
     * @param array  $parameters Collection of loading parameters
     *
     * @return string module name
     * @throws \samsonphp\core\exception\CannotLoadModule
     */
    public function load($path, $parameters = array())
    {
        $name = '';
        // Check path
        if (file_exists($path)) {
            /** @var ResourceMap $resourceMap Gather all resources from path */
            $resourceMap = ResourceMap::get($path);
            if (isset($resourceMap->module[0])) {

                /** @var string $controllerPath Path to module controller file */
                $controllerPath = $resourceMap->module[1];

                /** @var string $moduleClass Name of module controller class to load */
                $moduleClass = $resourceMap->module[0];

                // Require module controller class into PHP
                if (file_exists($controllerPath)) {
                    require_once($controllerPath);
                }

                // TODO: this should be done via composer autoload file field
                // Iterate all function-style controllers and require them
                foreach ($resourceMap->controllers as $controller) {
                    require_once($controller);
                }

                $reflection = new \ReflectionClass($moduleClass);
                $name = $reflection->getDefaultProperties();
                $name = $this->createMetadata($moduleClass, $name['id'] ?? $moduleClass, $path);

                /*$this->initModule(
                    new $moduleClass($path, $resourceMap, $this),
                    $parameters
                );*/
            } elseif (is_array($parameters) && isset($parameters['samsonphp_package_compressable']) && ($parameters['samsonphp_package_compressable'] == 1)) {
                $name = $this->createMetadata(VirtualModule::class, $parameters['module_id'], $path);

                /*$this->initModule(
                    new VirtualModule($path, $resourceMap, $this, str_replace('/', '', $parameters['module_id'])),
                    $parameters
                );*/
            }
//            elseif (count($resourceMap->classes)) {
//                /** Update for future version: Search classes that implement LoadableInterface */
//                foreach ($resourceMap->classes as $classPath => $class) {
//                    // This class implements LoadableInterface LoadableInterface::class
//                    if (in_array('\samsonframework\core\LoadableInterface', $resourceMap->classData[$classPath]['implements'])) {
//
//                        $name =  str_replace('/', '', $parameters['module_id']);
//
//                        $this->createMetadata(VirtualModule::class, str_replace('/', '', $parameters['module_id']), $path);
//
//                        /*$this->initModule(
//                            new VirtualModule(
//                                $path,
//                                $resourceMap,
//                                $this,
//                                str_replace('/', '', $resourceMap->classData[$classPath]['className'])
//                            ),
//                            $parameters
//                        );*/
//                    }
//                }
//            }


        } else {
            throw new CannotLoadModule($path);
        }

        return $name;
    }
    //[PHPCOMPRESSOR(remove,end)]

    /** Магический метод для десериализации объекта */
    public function __wakeup()
    {
        $this->active = &$this->module_stack['local'];
    }

    /** Магический метод для сериализации объекта */
    public function __sleep()
    {
        return array('module_stack', 'render_mode');
    }

    protected function createMetadata($class, $name, $path, $scope = 'module')
    {
        $metadata = new ClassMetadata();
        $class = ltrim($class, '\\');
        $name = strtolower(ltrim($name, '\\'));
        $metadata->className = $class;
        $metadata->name = str_replace(['\\', '/'], '_', $name ?? $class);
        $metadata->scopes[] = Builder::SCOPE_SERVICES;
        $metadata->scopes[] = $scope;
        $metadata->propertiesMetadata['system'] = new PropertyMetadata($metadata);
        $metadata->propertiesMetadata['system']->dependency = 'core';
        $metadata->propertiesMetadata['resourceMap'] = new PropertyMetadata($metadata);
        $metadata->propertiesMetadata['resourceMap']->dependency = 'resource_map';

        // TODO: Now we need to remove and change constructors
        $metadata->methodsMetadata['__construct'] = new MethodMetadata($metadata);
        $metadata->methodsMetadata['__construct']->dependencies['path'] = $path;
        $metadata->methodsMetadata['__construct']->dependencies['resources'] = 'resource_map';
        $metadata->methodsMetadata['__construct']->dependencies['system'] = 'core';

        $this->metadataCollection[$metadata->name] = $metadata;

        return $metadata->name;
    }
}

samsonos / php_core

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Core::createMetadata() B

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