/**
* @see {Opus_Model_Plugin_Interface::postDelete}
*/
public function postDelete($modelId)
{
$cache = new Opus_Model_Xml_Cache();
$omx = new Opus_Model_Xml();
// xml version 1
$omx->setStrategy(new Opus_Model_Xml_Version1());
$cache->remove($modelId, floor($omx->getStrategyVersion()));
// xml version 2
$omx->setStrategy(new Opus_Model_Xml_Version2());
$cache->remove($modelId, floor($omx->getStrategyVersion()));
}
/**
* make sure documents related to Collection[Role|]s in subtree are updated
* (XML-Cache and server_date_published)
*
* @param Opus_Collection Starting point for recursive update to documents
*/
protected function updateDocuments($model)
{
if (is_null($model) || is_null($model->getId())) {
// TODO explain why this is right
return;
}
$collections = Opus_Db_TableGateway::getInstance('Opus_Db_Collections');
$collectionIdSelect = $collections->selectSubtreeById($model->getId(), 'id');
$documentFinder = new Opus_DocumentFinder();
$documentFinder->setCollectionId($collectionIdSelect);
// clear affected documents from cache
$xmlCache = new Opus_Model_Xml_Cache();
$xmlCache->removeAllEntriesWhereSubSelect($documentFinder->getSelectIds());
// update ServerDateModified for affected documents
$date = new Opus_Date();
$date->setNow();
Opus_Document::setServerDateModifiedByIds($date, $documentFinder->ids());
}
/**
* This method tries to load the current model from the xml cache. Returns
* null in case of an error/cache miss/cache disabled. Returns DOMDocument
* otherwise.
*
* @return DOMDocument DOM representation of the current Model.
*/
private function getDomDocumentFromXmlCache()
{
$model = $this->_config->_model;
$logger = Zend_Registry::get('Zend_Log');
if (null === $this->_cache) {
$logger->debug(__METHOD__ . ' skipping cache for ' . get_class($model));
return null;
}
$cached = $this->_cache->hasValidEntry($model->getId(), (int) $this->_strategy->getVersion(), $model->getServerDateModified()->__toString());
if (true !== $cached) {
$logger->debug(__METHOD__ . ' cache miss for ' . get_class($model) . '#' . $model->getId());
return null;
}
$logger->debug(__METHOD__ . ' cache hit for ' . get_class($model) . '#' . $model->getId());
try {
return $this->_cache->get($model->getId(), (int) $this->_strategy->getVersion());
} catch (Opus_Model_Exception $e) {
$logger->warn(__METHOD__ . " Access to XML cache failed on " . get_class($model) . '#' . $model->getId() . ". Trying to recover.");
}
return null;
}
protected function invalidateDocumentCacheFor(Opus_Model_AbstractDb $model)
{
$documentFinder = new Opus_DocumentFinder();
$documentFinder->setDependentModel($model);
$select = $documentFinder->getSelectIds();
$ids = $documentFinder->Ids();
$xmlCache = new Opus_Model_Xml_Cache();
$xmlCache->removeAllEntriesWhereSubSelect($select);
$date = new Opus_Date();
$date->setNow();
Opus_Document::setServerDateModifiedByIds($date, $ids);
}
