How is Magento\Framework\ObjectManager\InterceptableValidator::validate() implemented and used?

dmitry_fedyuk · November 11, 2017, 2:10am

Context: How is Magento\Framework\ObjectManager\NoninterceptableInterface handled?

Implementation

magento/magento2/blob/2.0.1/lib/internal/Magento/Framework/ObjectManager/InterceptableValidator.php#L10-L17


/**
 * @param string $className
 * @return bool
 */
public function validate($className)
{
    return !$this->isInterceptor($className) && $this->isInterceptable($className);
}

Usages

1. Developer mode

Magento\Framework\Interception\ObjectManager\Config\Developer::getInstanceType()

github.com

magento/magento2/blob/2.0.1/lib/internal/Magento/Framework/Interception/ObjectManager/Config/Developer.php#L52-L67


/**
 * Retrieve instance type with interception processing
 *
 * @param string $instanceName
 * @return string
 */
public function getInstanceType($instanceName)
{
    $type = parent::getInstanceType($instanceName);
    if ($this->interceptionConfig && $this->interceptionConfig->hasPlugins($instanceName)
        && $this->interceptableValidator->validate($instanceName)
    ) {
        return $type . '\\Interceptor';
    }
    return $type;
}

2. Production mode

2.1. Magento\Setup\Module\Di\Code\Generator\InterceptionConfigurationBuilder::getInterceptedClasses()

github.com

magento/magento2/blob/2.0.1/setup/src/Magento/Setup/Module/Di/Code/Generator/InterceptionConfigurationBuilder.php#L101-L118


/**
 * Get intercepted instances from defined class list
 *
 * @param array $definedClasses
 * @return array
 */
private function getInterceptedClasses($definedClasses)
{
    $intercepted = [];
    foreach ($definedClasses as $definedClass) {
        if ($this->interceptionConfig->hasPlugins($definedClass) && $this->typeReader->isConcrete($definedClass)
            && $this->interceptableValidator->validate($definedClass)
        ) {
            $intercepted[] = $definedClass;
        }
    }
    return $intercepted;
}

2.2. Magento\Setup\Module\Di\Code\Scanner\InheritanceInterceptorScanner::collectEntities()

github.com

magento/magento2/blob/2.0.1/setup/src/Magento/Setup/Module/Di/Code/Scanner/InheritanceInterceptorScanner.php#L25-L49


/**
 * Get intercepted class names
 *
 * @param array $classes
 * @param array $interceptedEntities
 * @return array
 */
public function collectEntities(array $classes, array $interceptedEntities = [])
{
    $output = [];
    foreach ($classes as $class) {
        foreach ($interceptedEntities as $interceptorClass) {
            $interceptedEntity = substr($interceptorClass, 0, -12);
            if (is_subclass_of($class, $interceptedEntity) && $this->interceptableValidator->validate($class)) {
                $reflectionClass = new \ReflectionClass($class);
                if (!$reflectionClass->isAbstract() && !$reflectionClass->isFinal()) {
                    $output[] = $class . '\\Interceptor';
                }
            }
        }
    }
    $output = array_merge($this->filterOutAbstractClasses($interceptedEntities), $output);
    $output = array_unique($output);
    return $output;
}