}
}
@Override
public void registerIndexManger(Esi4JIndexManager indexManager) {
Esi4JManagedIndex index = indexManager.getIndex();
String indexName = index.getName();
if (_indexManagers.putIfAbsent(indexName, indexManager) == null) {
index.setIndexManager(indexManager);
} else {
throw new IllegalStateException("already an index manager registered for index " + indexName);
}
}