org.apache.blur.trace.ZooKeeperDumpContents.java Source code

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Here is the source code for org.apache.blur.trace.ZooKeeperDumpContents.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.blur.trace;

import static org.apache.blur.utils.BlurConstants.*;

import java.io.IOException;
import java.util.List;

import org.apache.blur.BlurConfiguration;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.data.Stat;

public class ZooKeeperDumpContents {

    public static void main(String[] args) throws IOException, KeeperException, InterruptedException {
        BlurConfiguration configuration = new BlurConfiguration();
        String zkConnectionStr = configuration.get(BLUR_ZOOKEEPER_CONNECTION);
        ZooKeeper zooKeeper = new ZooKeeper(zkConnectionStr, 30000, new Watcher() {
            @Override
            public void process(WatchedEvent event) {

            }
        });

        String parentPath = configuration.get(BLUR_ZOOKEEPER_TRACE_PATH);
        String id = args[0];

        String path = parentPath + "/" + id;
        List<String> children = zooKeeper.getChildren(path, false);
        System.out.println("[");
        boolean first = true;
        for (String c : children) {
            if (!first) {
                System.out.println(",");
            }
            Stat stat = zooKeeper.exists(path + "/" + c, false);
            byte[] data = zooKeeper.getData(path + "/" + c, false, stat);
            String string = new String(data);
            System.out.println(string);
            first = false;
        }
        System.out.println("]");
        zooKeeper.close();
    }

}