private static function generateSerializationSignature(Clazz $instanceType, CRC32 $crc, SerializationPolicy $policy)
{
$crc->update(self::getSerializedTypeName($instanceType));
if (self::excludeImplementationFromSerializationSignature($instanceType)) {
return;
}
$customSerializer = self::hasCustomFieldSerializer($instanceType);
if (!is_null($customSerializer)) {
self::generateSerializationSignature($customSerializer, $crc, $policy);
} else {
if ($instanceType->isArray()) {
self::generateSerializationSignature($instanceType->getComponentType(), $crc, $policy);
} else {
if (!$instanceType->isPrimitive()) {
$fields = self::applyFieldSerializationPolicy($instanceType);
$clientFieldNames = $policy->getClientFieldNamesForEnhancedClass($instanceType);
foreach ($fields as $field) {
assert(!is_null($field));
/**
* If clientFieldNames is non-null, use only the fields listed there
* to generate the signature. Otherwise, use all known fields.
*/
if (is_null($clientFieldNames) || $clientFieldNames->contains($field->getName())) {
$crc->update($field->getName());
$crc->update(self::getSerializedTypeName($field->getType()));
}
}
$superClass = $instanceType->getSuperClass();
if (!is_null($superClass)) {
self::generateSerializationSignature($superClass, $crc, $policy);
}
}
}
}
}
