AbstractTreeCacheListener.java

package com.vip.saturn.job.sharding.listener;

import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.recipes.cache.ChildData;
import org.apache.curator.framework.recipes.cache.TreeCacheEvent;
import org.apache.curator.framework.recipes.cache.TreeCacheListener;

/**
 * Created by xiaopeng.he on 2016/7/12.
 */
public abstract class AbstractTreeCacheListener implements TreeCacheListener {
	
    @Override
    public void childEvent(CuratorFramework client, TreeCacheEvent event) throws Exception {
        ChildData data = event.getData();
        if(data != null) {
            TreeCacheEvent.Type type = event.getType();
            String path = data.getPath();
            String nodeData = null;
            byte[] dataData = data.getData();
            if (dataData != null) {
                nodeData = new String(dataData, "UTF-8");
            }
            if (path != null) {
                childEvent(type, path, nodeData);
            }
        }
    }

    public abstract void childEvent(TreeCacheEvent.Type type, String path, String nodeData) throws Exception;

}