/** * NOTE: this is a BLOCKING method. Completely rebuild the internal cache by querying * for all needed data WITHOUT generating any events to send to listeners. * * @throws Exception errors */ public void rebuild() throws Exception { Preconditions.checkState(!executorService.isShutdown(), "cache has been closed"); ensurePath.ensure(client.getZookeeperClient()); clear(); List<String> children = client.getChildren().forPath(path); for ( String child : children ) { String fullPath = ZKPaths.makePath(path, child); internalRebuildNode(fullPath); if ( rebuildTestExchanger != null ) { rebuildTestExchanger.exchange(new Object()); } } // this is necessary so that any updates that occurred while rebuilding are taken offerOperation(new TreeRefreshOperation(this, path, RefreshMode.FORCE_GET_DATA_AND_STAT)); }