Calls multiple LoaderInterface instances in a chain
This class accepts multiple instances of LoaderInterface to be passed to the constructor. When loadClassMetadata() is called, the same method is called in <em>all</em> of these loaders, regardless of whether any of them was successful or not.
@author Bernhard Schussek <bschussek@gmail.com>
Expanded class hierarchy of LoaderChain
class LoaderChain implements LoaderInterface {
protected $loaders;
/**
* Accepts a list of LoaderInterface instances
*
* @param LoaderInterface[] $loaders An array of LoaderInterface instances
*
* @throws MappingException If any of the loaders does not implement LoaderInterface
*/
public function __construct(array $loaders) {
foreach ($loaders as $loader) {
if (!$loader instanceof LoaderInterface) {
throw new MappingException(sprintf('Class %s is expected to implement LoaderInterface', get_class($loader)));
}
}
$this->loaders = $loaders;
}
/**
* {@inheritDoc}
*/
public function loadClassMetadata(ClassMetadata $metadata) {
$success = false;
foreach ($this->loaders as $loader) {
$success = $loader
->loadClassMetadata($metadata) || $success;
}
return $success;
}
}
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
LoaderChain:: |
protected | property | ||
LoaderChain:: |
public | function |
Load a Class Metadata. Overrides LoaderInterface:: |
|
LoaderChain:: |
public | function | Accepts a list of LoaderInterface instances | 1 |