8000 [Serializer] Improve ObjectNormalizer performance by dunglas · Pull Request #16547 · symfony/symfony · GitHub
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[Serializer] Improve ObjectNormalizer performance #16547

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[Serializer] Improve ObjectNormalizer performance #16547

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8603d5f
[Serializer] Improve ObjectNormalizer performances
dunglas Nov 14, 2015
861a34e
[Serializer] ObjectNormalizer: test normalize with a non-existing group
dunglas Nov 25, 2015
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99 changes: 63 additions & 36 deletions src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@
*/
class ObjectNormalizer extends AbstractNormalizer
{
private static $attributesCache = array();

/**
* @var PropertyAccessorInterface
*/
Expand Down Expand Up @@ -58,42 +60,7 @@ public function normalize($object, $format = null, array $context = array())
}

$data = array();
$attributes = $this->getAllowedAttributes($object, $context, true);

// If not using groups, detect manually
if (false === $attributes) {
$attributes = array();

// methods
$reflClass = new \ReflectionClass($object);
foreach ($reflClass->getMethods(\ReflectionMethod::IS_PUBLIC) as $reflMethod) {
if (
!$reflMethod->isStatic() &&
!$reflMethod->isConstructor() &&
!$reflMethod->isDestructor() &&
0 === $reflMethod->getNumberOfRequiredParameters()
) {
$name = $reflMethod->getName();

if (strpos($name, 'get') === 0 || strpos($name, 'has') === 0) {
// getters and hassers
$attributes[lcfirst(substr($name, 3))] = true;
} elseif (strpos($name, 'is') === 0) {
// issers
$attributes[lcfirst(substr($name, 2))] = true;
}
}
}

// properties
foreach ($reflClass->getProperties(\ReflectionProperty::IS_PUBLIC) as $reflProperty) {
if (!$reflProperty->isStatic()) {
$attributes[$reflProperty->getName()] = true;
}
}

$attributes = array_keys($attributes);
}
$attributes = $this->getAttributes($object, $context);

foreach ($attributes as $attribute) {
if (in_array($attribute, $this->ignoredAttributes)) {
Expand Down Expand Up @@ -162,4 +129,64 @@ public function denormalize($data, $class, $format = null, array $context = arra

return $object;
}

/**
* Gets and caches attributes for this class and context.
*
* @param object $object
* @param array $context
*
* @return array
*/
private function getAttributes($object, array $context)
{
$key = sprintf('%s-%s', get_class($object), serialize($context));

if (isset(self::$attributesCache[$key])) {
return self::$attributesCache[$key];
}

$allowedAttributes = $this->getAllowedAttributes($object, $context, true);

if (false !== $allowedAttributes) {
return self::$attributesCache[$key] = $allowedAttributes;
}

// If not using groups, detect manually
$attributes = array();

// methods
$reflClass = new \ReflectionClass($object);
foreach ($reflClass->getMethods(\ReflectionMethod::IS_PUBLIC) as $reflMethod) {
if (
$reflMethod->getNumberOfRequiredParameters() !== 0 ||
$reflMethod->isStatic() ||
$reflMethod->isConstructor() ||
$reflMethod->isDestructor()
) {
continue;
}

$name = $reflMethod->getName();

if (strpos($name, 'get') === 0 || strpos($name, 'has') === 0) {
// getters and hassers
$attributes[lcfirst(substr($name, 3))] = true;
} elseif (strpos($name, 'is') === 0) {
// issers
$attributes[lcfirst(substr($name, 2))] = true;
}
}

// properties
foreach ($reflClass->getProperties(\ReflectionProperty::IS_PUBLIC) as $reflProperty) {
if ($reflProperty->isStatic()) {
continue;
}

$attributes[$reflProperty->getName()] = true;
}

return self::$attributesCache[$key] = array_keys($attributes);
}
}
14 changes: 13 additions & 1 deletion src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@
class ObjectNormalizerTest extends \PHPUnit_Framework_TestCase
{
/**
* @var ObjectNormalizerTest
* @var ObjectNormalizer
*/
private $normalizer;
/**
Expand Down Expand Up @@ -239,6 +239,18 @@ public function testGroupsDenormalize()
$this->assertEquals($obj, $normalized);
}

public function testNormalizeNoPropertyInGroup()
{
$classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
$this->normalizer = new ObjectNormalizer($classMetadataFactory);
$this->normalizer->setSerializer($this->serializer);

$obj = new GroupDummy();
$obj->setFoo('foo');

$this->assertEquals(array(), $this->normalizer->normalize($obj, null, array('groups' => array('notExist'))));
}

public function testGroupsNormalizeWithNameConverter()
{
$classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
Expand Down
0