| package org.apache.helix; |
| |
| /* |
| * 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. |
| */ |
| |
| /** |
| * factory that creates cluster managers |
| * |
| * for zk-based cluster managers, the getZKXXX(..zkClient) that takes a zkClient parameter |
| * are intended for session expiry test purpose |
| */ |
| import org.apache.helix.manager.zk.HelixManagerStateListener; |
| import org.apache.helix.manager.zk.ZKHelixManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Obtain one of a set of Helix cluster managers, organized by the backing system. |
| */ |
| public final class HelixManagerFactory { |
| private static final Logger logger = LoggerFactory.getLogger(HelixManagerFactory.class); |
| |
| /** |
| * Construct a zk-based cluster manager that enforces all types (PARTICIPANT, CONTROLLER, and |
| * SPECTATOR) to have a name |
| * @param clusterName |
| * @param instanceName |
| * @param type |
| * @param zkAddr |
| * @return a HelixManager backed by Zookeeper |
| */ |
| public static HelixManager getZKHelixManager(String clusterName, String instanceName, |
| InstanceType type, String zkAddr) { |
| return new ZKHelixManager(clusterName, instanceName, type, zkAddr); |
| } |
| |
| /** |
| * Construct a zk-based cluster manager that enforces all types (PARTICIPANT, CONTROLLER, and |
| * SPECTATOR) to have a name |
| * @param clusterName |
| * @param instanceName |
| * @param type |
| * @param zkAddr |
| * @param stateListener |
| * @return a HelixManager backed by Zookeeper |
| */ |
| public static HelixManager getZKHelixManager(String clusterName, String instanceName, |
| InstanceType type, String zkAddr, HelixManagerStateListener stateListener) { |
| return new ZKHelixManager(clusterName, instanceName, type, zkAddr, stateListener); |
| } |
| |
| } |