Example usage for org.apache.zookeeper.client ConnectStringParser getChrootPath

Introduction

In this page you can find the example usage for org.apache.zookeeper.client ConnectStringParser getChrootPath.

Prototype

public String getChrootPath() 

Source Link

Usage

From source file:org.apache.samza.zk.ZkCoordinationServiceFactory.java

License:Apache License

/**
 * if ZkConnectString contains namespace path at the end, but it does not exist we should fail
 * @param zkConnect - connect string//  w ww. j  a va  2  s. c o  m
 * @param zkClient - zkClient object to talk to the ZK
 */
public static void validateZkNameSpace(String zkConnect, ZkClient zkClient) {
    ConnectStringParser parser = new ConnectStringParser(zkConnect);

    String path = parser.getChrootPath();
    if (Strings.isNullOrEmpty(path)) {
        return; // no namespace path
    }

    LOG.info("connectString = " + zkConnect + "; path =" + path);

    // if namespace specified (path above) but "/" does not exists, we will fail
    if (!zkClient.exists("/")) {
        throw new SamzaException("Zookeeper namespace: " + path + " does not exist for zk at " + zkConnect);
    }
}

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