package qs.zkclient.base;

import java.util.List;
import java.util.concurrent.TimeUnit;

import org.I0Itec.zkclient.ZkClient;
import org.I0Itec.zkclient.ZkConnection;

public class ZkClientBase {

	/** zookeeper地址 */
	static final String CONNECT_ADDR = "192.168.1.171:2181,192.168.1.172:2181,192.168.1.173:2181";
	/** session超时时间 */
	static final int SESSION_OUTTIME = 5000;//ms 
	
	
	public static void main(String[] args) throws Exception {
		ZkClient zkc = new ZkClient(new ZkConnection(CONNECT_ADDR), 5000);
		//1. create and delete方法 
		zkc.createEphemeral("/temp");
		zkc.createPersistent("/super/c1", true);
		Thread.sleep(10000);
		zkc.delete("/temp");
		zkc.deleteRecursive("/super");
		
		//2. 设置path和data 并且读取子节点和每个节点的内容
//		zkc.createPersistent("/super", "1234");
//		zkc.createPersistent("/super/c1", "c1内容");
//		zkc.createPersistent("/super/c2", "c2内容");
//		List<String> list = zkc.getChildren("/super");
//		for(String p : list){
//			System.out.println(p);
//			String rp = "/super/" + p;
//			String data = zkc.readData(rp);
//			System.out.println("节点为：" + rp + "，内容为: " + data);
//		}
		
		//3. 更新和判断节点是否存在
//		zkc.writeData("/super/c1", "新内容");
//		System.out.println(zkc.readData("/super/c1"));
//		System.out.println(zkc.exists("/super/c1"));
		
		//4.递归删除/super内容
//		zkc.deleteRecursive("/super");		
	}
}

package qs.zkclient.watcher;

import java.util.List;

import org.I0Itec.zkclient.IZkChildListener;
import org.I0Itec.zkclient.IZkDataListener;
import org.I0Itec.zkclient.IZkStateListener;
import org.I0Itec.zkclient.ZkClient;
import org.I0Itec.zkclient.ZkConnection;
import org.apache.zookeeper.Watcher.Event.KeeperState;

public class ZkClientWatcher2 {

	/** zookeeper地址 */
	static final String CONNECT_ADDR = "192.168.1.171:2181,192.168.1.172:2181,192.168.1.173:2181";
	/** session超时时间 */
	static final int SESSION_OUTTIME = 5000;//ms 
	
	
	public static void main(String[] args) throws Exception {
		ZkClient zkc = new ZkClient(new ZkConnection(CONNECT_ADDR), 5000);
		
		zkc.createPersistent("/super", "1234");
		
		//对父节点添加监听子节点变化。
		//------------------子节点变化----------------------
		zkc.subscribeChildChanges("/super", new IZkChildListener() {
			
			@Override
			public void handleChildChange(String arg0, List<String> arg1) throws Exception {
				// TODO Auto-generated method stub
				
			}
		});
//		//----------------节点状态变化--------------------------
//		zkc.subscribeStateChanges(new IZkStateListener() {
//			
//			@Override
//			public void handleStateChanged(KeeperState arg0) throws Exception {
//				// TODO Auto-generated method stub
//				
//			}
//			
//			@Override
//			public void handleNewSession() throws Exception {
//				// TODO Auto-generated method stub
//				
//			}
//		});
		//--------------节点数据变化----------------------------
		zkc.subscribeDataChanges("/super", new IZkDataListener() {
			@Override
			public void handleDataDeleted(String path) throws Exception {
				System.out.println("删除的节点为:" + path);
			}
			
			@Override
			public void handleDataChange(String path, Object data) throws Exception {
				System.out.println("变更的节点为:" + path + ", 变更内容为:" + data);
			}
			
		});
		Thread.sleep(3000);
		zkc.writeData("/super", "456", -1);
		Thread.sleep(1000);

		zkc.delete("/super");
		Thread.sleep(Integer.MAX_VALUE);
		
		
	}
}