| /** |
| * 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.coordination; |
| |
| import org.apache.hadoop.hbase.classification.InterfaceAudience; |
| import org.apache.hadoop.hbase.CoordinatedStateManager; |
| import org.apache.hadoop.hbase.Server; |
| |
| /** |
| * Base class for {@link org.apache.hadoop.hbase.CoordinatedStateManager} implementations. |
| * Defines methods to retrieve coordination objects for relevant areas. CoordinatedStateManager |
| * reference returned from Server interface has to be casted to this type to |
| * access those methods. |
| */ |
| @InterfaceAudience.Private |
| public abstract class BaseCoordinatedStateManager implements CoordinatedStateManager { |
| |
| @Override |
| public void initialize(Server server) { |
| } |
| |
| @Override |
| public void start() { |
| } |
| |
| @Override |
| public void stop() { |
| } |
| |
| @Override |
| public Server getServer() { |
| return null; |
| } |
| |
| /** |
| * Method to retrieve coordination for split log worker |
| */ |
| public abstract SplitLogWorkerCoordination getSplitLogWorkerCoordination(); |
| /** |
| * Method to retrieve coordination for split log manager |
| */ |
| public abstract SplitLogManagerCoordination getSplitLogManagerCoordination(); |
| } |