Zookeeper连接eclipse

package com.bw.ZK;
import java.io.IOException;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.ZooKeeper;
public class ZkText01 {
	static String zkUrl="linux04:2181";
	public static void main(String[] args) {
		//创建连接对象 连接对象 连接地址  监听
		try {
			ZooKeeper zk = new ZooKeeper(zkUrl,5000, new Watcher() {
		//客户端操作
				@Override
				public void process(WatchedEvent arg0) {
				}
			});
			//创建文件 /参数 1.path     2.内容 (二进制数组)       3. 访问控制列表(这里使用完全开放列表)  4.文件性质
			zk.create("/beijing01","hello word".getBytes(),Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
		} catch ( Exception e) {
			e.printStackTrace();
		}
	}
}

  

 

 

package com.bw.ZK;
import java.io.IOException;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.data.Stat;
public class ZkText2 {
	static String zkUrl="linux04:2181";
	public static void main(String[] args) {
		//创建连接对象 连接对象 连接地址  监听
		try {
			ZooKeeper zk = new ZooKeeper(zkUrl,5000, new Watcher() {
		//客户端操作
				@Override
				public void process(WatchedEvent arg0) {
				}
			});
			//创建文件 /参数 1.path     2.内容 (二进制数组)       3. 访问控制列表(这里使用完全开放列表)  4.文件性质
			//zk.create("/beijing01","hello word".getBytes(),Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
			//删除文件 -1 默认全部操作
			//zk.delete("/beijing01", -1);
			//判断路径是否存在
			System.out.println(zk.exists("/beijing01", false));
			//获取子节点
			System.out.println(zk.getChildren("/", false));
			//获取连接 id
			System.out.println(zk.getSessionId());
			//获取zk的状态
			System.out.println(zk.getState());
			//设置数据
			zk.setData("/test01", "hello".getBytes(),-1);
			//监听
			zk.exists("/test01",true);
			zk.getChildren("/", true);
			//getdata
			zk.getData("test01", true, new Stat());
			//卡住监听状态
			while(true);
		} catch ( Exception e) {
			e.printStackTrace();
		}
	}
}

  

posted @ 2019-04-17 19:17  lilixia  阅读(529)  评论(0编辑  收藏  举报