How does Magento\Setup\Module\Di\Compiler\Config\Reader::generateCachePerScope() work?

Development Compilation

dmitrii_fediuk (Dmitrii Fediuk) October 13, 2017, 11:07pm 1

Context: How are the generated/medatata files generated in Magento 2.2?

github.com

magento/magento2/blob/2.2.0/setup/src/Magento/Setup/Module/Di/Compiler/Config/Reader.php#L69-L80


/**
 * Generates config per scope and returns it
 *
 * @param DefinitionsCollection $definitionsCollection
 * @param string $areaCode
 *
 * @return array
 */
public function generateCachePerScope(
    DefinitionsCollection $definitionsCollection,
    $areaCode
) {

github.com

magento/magento2/blob/2.2.0/setup/src/Magento/Setup/Module/Di/Compiler/Config/Reader.php#L81-L88


$areaConfig = clone $this->diContainerConfig;
if ($areaCode !== App\Area::AREA_GLOBAL) {
    $areaConfig->extend($this->configLoader->load($areaCode));
}


$config = [];


$this->fillThirdPartyInterfaces($areaConfig, $definitionsCollection);

Details: How does Magento\Setup\Module\Di\Compiler\Config\Reader::fillThirdPartyInterfaces() work?

github.com

magento/magento2/blob/2.2.0/setup/src/Magento/Setup/Module/Di/Compiler/Config/Reader.php#L89-L89


$config['arguments'] = $this->getConfigForScope($definitionsCollection, $areaConfig);

github.com

magento/magento2/blob/2.2.0/setup/src/Magento/Setup/Module/Di/Compiler/Config/Reader.php#L91-L96


foreach ($definitionsCollection->getInstancesNamesList() as $instanceName) {
    $preference = $areaConfig->getPreference($instanceName);
    if ($instanceName !== $preference) {
        $config['preferences'][$instanceName] = $preference;
    }
}

Details: How does Magento\Framework\ObjectManager\Config\Config::getPreference() work?

github.com

magento/magento2/blob/2.2.0/setup/src/Magento/Setup/Module/Di/Compiler/Config/Reader.php#L98-L101


foreach (array_keys($areaConfig->getVirtualTypes()) as $virtualType) {
    $config['instanceTypes'][$virtualType] = $areaConfig->getInstanceType($virtualType);
}
return $config;

How does Magento\Framework\ObjectManager\Config\Config::getPreference() work?

How does Magento\Setup\Module\Di\App\Task\Operation\Area::doOperation() work?