| /* |
| * Copyright 2019 WeBank |
| * |
| * Licensed 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 com.webank.wedatasphere.linkis.resourcemanager.notify |
| |
| import com.webank.wedatasphere.linkis.resourcemanager.utils.RMConfiguration |
| import org.apache.zookeeper.{WatchedEvent, Watcher, ZooKeeper} |
| |
| /** |
| * Created by shanhuang on 9/11/18. |
| */ |
| object ZookeeperUtils { |
| |
| var zookeeper: Option[ZooKeeper] = None |
| |
| // def ensure(path: String, acl: List[ACL], createMode: CreateMode): Unit = { |
| // val nodes = StringUtils.split("/") |
| // (0 to nodes.length - 1).foreach{ i => |
| // nodes.slice(0, i + 1).mkString("/") |
| // } |
| // } |
| |
| def getOrCreateZookeeper(): ZooKeeper = { |
| if (zookeeper.isEmpty) zookeeper.synchronized { |
| if (zookeeper.isEmpty) zookeeper = Some(createZookeeper) else if (!zookeeper.get.getState.equals(ZooKeeper.States.CONNECTED)) zookeeper = Some(createZookeeper) |
| } |
| zookeeper.get |
| } |
| |
| def createZookeeper() = new ZooKeeper(RMConfiguration.ZOOKEEPER_HOST.getValue, RMConfiguration.ZOOKEEPER_TIMEOUT.getValue, new Watcher { |
| override def process(watchedEvent: WatchedEvent): Unit = { |
| //TODO |
| } |
| }) |
| |
| } |
