/**
* @test
* @expectedException \InvalidArgumentException
*/
public function shouldThrowIfValueNotConfiguredInDiscriminatorMap()
{
$metadata = new ClassMetadata('MyClass');
$metadata->setDiscriminatorMap(['child' => 'ChildClass']);
$this->assertSame('ChildClass', $metadata->getDiscriminatorClass('child'));
$metadata->getDiscriminatorClass('unknown');
}
/**
* Load discriminator metadata
*
* @param ApiObject $object
* @param ClassMetadata $metadata
*/
private function loadDiscriminatorMetadata(ApiObject $object, ClassMetadata $metadata)
{
if (!$object->discField) {
return;
}
$fieldMeta = null;
$field = $object->discField;
if ($metadata instanceof ObjectMetadataInterface) {
$properties = $metadata->getProperties();
if (array_key_exists($field, $properties)) {
$fieldMeta = $properties[$field];
}
} elseif ($metadata instanceof ResourceMetadata) {
$attributes = $metadata->getAttributes();
if (array_key_exists($field, $attributes)) {
$fieldMeta = $attributes[$field];
}
}
if (null === $fieldMeta) {
throw new \InvalidArgumentException("Specified discriminator field not found in object properties");
} elseif ('scalar' !== $fieldMeta->getDataType() || 'string' !== $fieldMeta->getDataTypeParams()) {
throw new \InvalidArgumentException("Discriminator field must point to property that contain string value");
}
$metadata->setDiscriminatorField($fieldMeta);
$metadata->setDiscriminatorMap($object->discMap);
}