| /** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hbase.conf; |
| |
| import org.apache.hadoop.hbase.classification.InterfaceAudience; |
| |
| /** |
| * This extension to ConfigurationObserver allows the configuration to propagate to the children of |
| * the current {@link ConfigurationObserver}. This is the preferred way to make a class online |
| * configurable because it allows the user to configure the children in a recursive manner |
| * automatically. |
| */ |
| @InterfaceAudience.Private |
| public interface PropagatingConfigurationObserver extends ConfigurationObserver { |
| |
| /** |
| * Needs to be called to register the children to the manager. |
| * @param manager : to register to |
| */ |
| void registerChildren(ConfigurationManager manager); |
| |
| /** |
| * Needs to be called to deregister the children from the manager. |
| * @param manager : to deregister from |
| */ |
| void deregisterChildren(ConfigurationManager manager); |
| } |