public function testProxyRenderer()
{
$ref1 = ReflectorFactory::buildReflectorByClassName(MethodReflectionTestObject::class);
$crclass = $ref1->getCompactReferenceClass();
// print_r($crclass->toArray());
$renderer = new ProxyRenderer($crclass, 'RandomProxyName_ds8bfgFHGTG4');
$renderedClass = $renderer->render();
$injector = new Injector(null);
$provider = ClassProvider::init(MethodReflectionTestObject::class);
/** @var MethodReflectionTestObject $proxy */
$proxy = null;
eval($renderedClass . '$proxy = new \\Brunt\\ProxyObject\\RandomProxyName_ds8bfgFHGTG4($provider, $injector);');
$this->assertInstanceOf(MethodReflectionTestObject::class, $proxy);
}
public function invoke($object, $function)
{
//TODO opimize
$reflector = ReflectorFactory::buildReflectorByClassName(get_class($object));
$reflectionMethod = new \ReflectionMethod($object, $function);
$params = $reflectionMethod->getParameters();
$ps = [];
foreach ($params as $param) {
$ps[$param->getName()] = new ReflectiveCRParam($param->getName() . "", $param);
}
$crMethod = new ReflectiveCRMethod($reflectionMethod, $ps);
$dependencies = $reflector->resolveDependencies($crMethod->getParams(), $function);
$params = array_map(function ($dependency) {
return $this->injector->get($dependency['token']);
}, $dependencies);
return call_user_func_array([$object, $function], $params);
}
public function __construct(string $class, callable $callable)
{
parent::__construct($callable);
$this->reflector = ReflectorFactory::buildReflectorByClassName($class);
$this->class = $class;
}
public function testReflectionGetMethods()
{
$ref1 = ReflectorFactory::buildReflectorByClassName(MethodReflectionTestObject::class);
$class = $ref1->getCompactReferenceClass();
$this->assertSame($class->getClassName(), MethodReflectionTestObject::class);
}
/**
* detect circular dependencies -> maybe not in production?
* if A depends on B and B on A then the injector cant resolve this by himself.
* dependencies MUST be A DAG https://en.wikipedia.org/wiki/Directed_acyclic_graph
* Validator uses depth-first-search to find loops - there are better ways.
*
* todo research: claim: it could be possible to have circular dependencies with bounds or inheritance if they converge somehow
* circular dependencies should be avoided or if REALLY (recursive structures i.e. lists, trees, graphs) necessary build it with FactoryProviders
* http://misko.hevery.com/2008/08/01/circular-dependency-in-constructors-and-dependency-injection/
*
* @param Reflector $reflector
* @param array $path
*/
private static function validate(Reflector $reflector, $path = [])
{
//get class name
$className = $reflector->getClassName();
if ($className == Injector::class) {
return;
}
if (in_array($className, $path)) {
throw new CircularDependencyException($className . ' must not depend on it self');
}
array_push($path, $reflector->getClassName());
/** @var CRParam $dependency */
foreach ($reflector->getConstructorParams() as $dependency) {
if ($dependency->hasType() && !$dependency->isBuiltin()) {
$nextReflector = ReflectorFactory::buildReflectorByClassName($dependency->getType() . '');
self::validate($nextReflector, $path);
}
}
}
