| /* |
| * 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.giraph.zk; |
| |
| import org.apache.giraph.conf.ImmutableClassesGiraphConfigurable; |
| |
| /** |
| * ZooKeeper wrapper interface. |
| * Implementation should provide a way to start, stop and cleanup |
| * zookeeper. |
| */ |
| public interface ZooKeeperRunner extends ImmutableClassesGiraphConfigurable { |
| |
| /** |
| * Starts zookeeper service in specified working directory with |
| * specified config file. |
| * @param zkDir working directory |
| * @param config zookeeper configuration |
| * @return port zookeeper runs on |
| */ |
| int start(String zkDir, ZookeeperConfig config); |
| |
| /** |
| * Stops zookeeper. |
| */ |
| void stop(); |
| |
| /** |
| * Does necessary cleanup after zookeeper job is complete. |
| */ |
| void cleanup(); |
| } |