IndicesAdminClient indicesAdminClient = adminClient.indices();
if (!toClose.isEmpty()) {
logger.info("Closing indices: {}", toClose);
String[] indices = toClose.toArray(new String[toClose.size()]);
CloseIndexRequest req = indicesAdminClient.prepareClose(indices).request();
indicesAdminClient.close(req).actionGet();
}
if (!toDelete.isEmpty()) {
logger.info("Deleting indices: {}", toDelete);