Java tutorial
/* * Copyright 2015 NAVER Corp. * * 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.navercorp.redis.cluster; import java.io.IOException; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import org.apache.zookeeper.KeeperException; import org.apache.zookeeper.WatchedEvent; import org.apache.zookeeper.Watcher; import org.apache.zookeeper.ZooKeeper; import org.junit.Ignore; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.navercorp.redis.cluster.util.TestEnvUtils; /** * @author seongminwoo */ public class ZookeeperConTest implements Watcher { private final Logger log = LoggerFactory.getLogger(ZookeeperConTest.class); private ZooKeeper zk; CountDownLatch connLatcher; @Ignore @Test public void test() throws IOException, InterruptedException, KeeperException { connLatcher = new CountDownLatch(1); zk = new ZooKeeper(TestEnvUtils.getZkAddress(), 60 * 1000, this); connLatcher.await(1, TimeUnit.SECONDS); final byte[] value = zk.getData("/zookeeper", this, null); log.debug("value : " + new String(value)); zk.close(); } /** * @param event * @see org.apache.zookeeper.Watcher#process(org.apache.zookeeper.WatchedEvent) */ public void process(WatchedEvent event) { log.info("[NodeWatcher] Event {type=" + event.getType() + ", state=" + event.getState() + ", path=" + event.getPath() + "}"); if (event.getType() == Event.EventType.None) { switch (event.getState()) { case SyncConnected: log.debug("SyncConnected"); this.connLatcher.countDown(); break; default: } } } }