/**
* Get entities from a xmlrpc method call.
*
* @param string $method
* Method to call.
* @param ..
* Params to send to server.
*
* @return mixed
* Method result, or FALSE in case of network error.
*/
private function &__getEntities($method)
{
$ret = array();
if (!$this->_server) {
throw new Yamm_EntityFetcherException("No server configured");
}
$args = func_get_args();
$method = array_shift($args);
array_unshift($args, $this->_transactionId);
array_unshift($args, $method);
array_unshift($args, $this->_server->getUrl());
$result = call_user_func_array('yamm_api_xmlrpc_call', $args);
if ($result === FALSE) {
throw new Yamm_EntityFetcherException("Unable to reach server");
}
// Result can be empty (no dependencies)
if (!empty($result['data'])) {
foreach ($result['data'] as $serializedEntity) {
$ret[] = Yamm_Entity::unserialize($serializedEntity);
}
}
unset($result);
return $ret;
}
/**
* Serialize and entity to get through XML/RPC.
*
* @param Yamm_Entity $entity
*
* @return string
*/
public static function serialize(Yamm_Entity $entity)
{
return $entity->getType() . ':' . base64_encode(serialize($entity));
}
/**
* Build a full tree of dependencies.
*
* @param Yamm_Entity $entity
* Entity for which to fetch dependencies.
*/
protected function _buildDependencies(Yamm_Entity $entity)
{
$dependencies = $entity->getDependencies();
$this->_pruneDependencies($dependencies);
yamm_api_debug("Entity parser got @count dependencies", array('@count' => count($dependencies)));
// Go and unpack them.
foreach ($this->_fetcher->fetchDependencies($dependencies) as $depEntity) {
// Check for already builded ones (circular dependencies).
if (!$this->_alreadyBuilt($depEntity)) {
// And build it.
$this->_buildDependencies($depEntity);
}
}
$entity->save();
}
/**
* (non-PHPdoc)
* @see Yamm_Sync_Backend_Interface::getEntities()
*/
public function getEntities($limit = YAMM_SYNC_DEFAULT_LIMIT, $offset = 0, $phase = 'default')
{
$ret = array();
if (!($view = self::loadView($phase))) {
throw new Yamm_Sync_ProfileException("View '" . $phase . "' does not exist.");
}
try {
// Prepare view.
$view->set_display(NULL);
$view->pre_execute();
// Emulate incremental behavior using page feature.
$view->set_use_pager(TRUE);
$view->set_items_per_page($limit);
$view->set_offset($offset);
// Get results.
$view->execute();
$count = count($view->result);
watchdog('yamm', 'View @view exports @count objects', array('@view' => $view->name, '@count' => $count), WATCHDOG_DEBUG);
$entity_type = Yamm_Sync_Backend_Views::getViewEntityType($view);
foreach ($view->result as $result) {
// We hope our user is not stupid, and set only one field which is the
// internal object id.
// FIXME: We could use the base field here.
$result = (array) $result;
$identifier = array_shift($result);
try {
$uuid = Yamm_EntityFactory::getUuidForType($entity_type, $identifier, TRUE);
$entity = Yamm_Entity::loadByUuid($uuid);
$ret[] = $entity;
} catch (Yamm_EntityException $e) {
// Just alert the site admin this entity build failed, but continue
// with others.
watchdog('yamm', '@e', array('@e' => $e->getMessage()), WATCHDOG_ERROR);
}
}
} catch (Yamm_Sync_ProfileException $e) {
watchdog('yamm_pull', '@e', array('@e' => $e->getMessage()), WATCHDOG_ERROR);
}
// Keep some memory to survive.
$view->destroy();
unset($view);
return $ret;
}
