}
public Collection getPortletEntities( PortletDefinition portletDefinition )
{
prepareTransaction(persistenceStore);
Filter filter = persistenceStore.newFilter();
String appName = ((MutablePortletApplication) portletDefinition.getPortletApplicationDefinition()).getName();
String portletName = portletDefinition.getName();
filter.addEqualTo("appName", appName);
filter.addEqualTo("portletName", portletName);
return persistenceStore.getCollectionByQuery(persistenceStore.newQuery(PortletEntityImpl.class, filter));
}