/**
* Configure an identifier
*
* @param ObjectIdentifier $identifier
* @param array $data
* @return ObjectConfig
*/
protected function _configure(ObjectIdentifier $identifier, array $data = array())
{
//Prevent config settings from being stored in the identifier
$config = clone $identifier->getConfig();
//Append the config data from the singleton
if ($identifier->getType() != 'lib' && $this->isSingleton($identifier)) {
$parts = $identifier->toArray();
unset($parts['type']);
unset($parts['domain']);
unset($parts['package']);
//Append the config from the singleton
$config->append($this->getIdentifier($parts)->getConfig());
}
//Append the config data for the object
$config->append($data);
//Set the service container and identifier
$config->object_manager = $this;
$config->object_identifier = $identifier;
return $config;
}
/**
* Configure an identifier
*
* @param ObjectIdentifier $identifier
* @param array $config
* @return ObjectConfig
*/
protected function _configure(ObjectIdentifier $identifier, $data)
{
//Prevent config settings from being stored in the identifier
$config = clone $identifier->getConfig();
//Merge the config data
$config->append($data);
//Set the service container and identifier
$config->object_manager = $this;
$config->object_identifier = $identifier;
return $config;
}
/**
* Get an instance of a class based on a class identifier
*
* @param ObjectIdentifier $identifier
* @param array $config An optional associative array of configuration settings.
* @throws ObjectExceptionInvalidObject If the object doesn't implement the ObjectInterface
* @throws ObjectExceptionNotFound If object cannot be loaded
* @throws ObjectExceptionNotInstantiated If object cannot be instantiated
* @return object Return object on success, throws exception on failure
*/
protected function _instantiate(ObjectIdentifier $identifier, array $config = array())
{
$result = null;
if ($this->getClassLoader()->loadClass($identifier->classname)) {
if (!$identifier->inherits(__NAMESPACE__ . '\\ObjectInterface', false)) {
throw new ObjectExceptionInvalidObject('Object: ' . $identifier->classname . ' does not implement ObjectInterface');
}
//Configure the identifier
$config = $this->_configure($identifier, $config);
// Delegate object instantiation.
if ($identifier->inherits(__NAMESPACE__ . '\\ObjectInstantiable', false)) {
$result = call_user_func(array($identifier->classname, 'getInstance'), $config, $this);
} else {
$result = new $identifier->classname($config);
}
//Thrown an error if no object was instantiated
if (!is_object($result)) {
throw new ObjectExceptionNotInstantiated('Cannot instantiate object from identifier: ' . $identifier->classname);
}
} else {
throw new ObjectExceptionNotFound('Cannot load object from identifier: ' . $identifier);
}
return $result;
}
