public function getClassMetadata($class)
{
$class = ltrim($class, '\\');
if (!isset($this->loadedClasses[$class])) {
if ($this->cache !== null && $this->cache->has($class)) {
$this->loadedClasses[$class] = $this->cache->read($class);
} else {
$metadata = new ClassMetadata($class);
// Include constraints from the parent class
if ($parent = $metadata->getReflectionClass()->getParentClass()) {
$metadata->mergeConstraints($this->getClassMetadata($parent->getName()));
}
// Include constraints from all implemented interfaces
foreach ($metadata->getReflectionClass()->getInterfaces() as $interface) {
$metadata->mergeConstraints($this->getClassMetadata($interface->getName()));
}
$this->loader->loadClassMetadata($metadata);
$this->loadedClasses[$class] = $metadata;
if ($this->cache !== null) {
$this->cache->write($metadata);
}
}
}
return $this->loadedClasses[$class];
}
/**
* {@inheritdoc}
*/
public function getMetadataFor($value)
{
if (!is_object($value) && !is_string($value)) {
throw new NoSuchMetadataException(sprintf('Cannot create metadata for non-objects. Got: %s', gettype($value)));
}
$class = ltrim(is_object($value) ? get_class($value) : $value, '\\');
if (isset($this->loadedClasses[$class])) {
return $this->loadedClasses[$class];
}
if (null !== $this->cache && false !== ($this->loadedClasses[$class] = $this->cache->read($class))) {
return $this->loadedClasses[$class];
}
if (!class_exists($class) && !interface_exists($class)) {
throw new NoSuchMetadataException(sprintf('The class or interface "%s" does not exist.', $class));
}
$metadata = new ClassMetadata($class);
// Include constraints from the parent class
if ($parent = $metadata->getReflectionClass()->getParentClass()) {
$metadata->mergeConstraints($this->getMetadataFor($parent->name));
}
// Include constraints from all implemented interfaces
foreach ($metadata->getReflectionClass()->getInterfaces() as $interface) {
if ('Symfony\\Component\\Validator\\GroupSequenceProviderInterface' === $interface->name) {
continue;
}
$metadata->mergeConstraints($this->getMetadataFor($interface->name));
}
if (null !== $this->loader) {
$this->loader->loadClassMetadata($metadata);
}
if (null !== $this->cache) {
$this->cache->write($metadata);
}
return $this->loadedClasses[$class] = $metadata;
}
public function getClassMetadata($class)
{
$class = ltrim($class, '\\');
if (isset($this->loadedClasses[$class])) {
return $this->loadedClasses[$class];
}
if (null !== $this->cache && false !== ($this->loadedClasses[$class] = $this->cache->read($class))) {
return $this->loadedClasses[$class];
}
$metadata = new ClassMetadata($class);
// Include constraints from the parent class
if ($parent = $metadata->getReflectionClass()->getParentClass()) {
$metadata->mergeConstraints($this->getClassMetadata($parent->name));
}
// Include constraints from all implemented interfaces
foreach ($metadata->getReflectionClass()->getInterfaces() as $interface) {
if ('Symfony\\Component\\Validator\\GroupSequenceProviderInterface' === $interface->name) {
continue;
}
$metadata->mergeConstraints($this->getClassMetadata($interface->name));
}
if (null !== $this->loader) {
$this->loader->loadClassMetadata($metadata);
}
if (null !== $this->cache) {
$this->cache->write($metadata);
}
return $this->loadedClasses[$class] = $metadata;
}
public function testRead()
{
$meta = $this->getMockBuilder(ClassMetadata::class)->disableOriginalConstructor()->setMethods(array('getClassName'))->getMock();
$meta->expects($this->once())->method('getClassName')->will($this->returnValue('Foo\\Bar'));
$this->assertFalse($this->cache->read('Foo\\Bar'), 'read() returns false when there is no entry');
$this->cache->write($meta);
$this->assertInstanceOf(ClassMetadata::class, $this->cache->read('Foo\\Bar'), 'read() returns metadata');
}