org.lable.oss.uniqueid.zookeeper

Class ClusterID

java.lang.Object

org.lable.oss.uniqueid.zookeeper.ClusterID

public class ClusterID
extends Object

Retrieves the numeric cluster ID from the ZooKeeper quorum.

Constructor Summary

Constructors

Constructor and Description
ClusterID()

Method Summary

Modifier and Type	Method and Description
static int	get(org.apache.zookeeper.ZooKeeper zookeeper, String znode) Retrieves the numeric cluster ID from the ZooKeeper quorum.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ClusterID

public ClusterID()

Method Detail

get

public static int get(org.apache.zookeeper.ZooKeeper zookeeper,
                      String znode)
               throws IOException

Retrieves the numeric cluster ID from the ZooKeeper quorum.

Parameters:

zookeeper - ZooKeeper instance to work with.

Returns:

The cluster ID, if configured in the quorum.

Throws:

IOException - Thrown when retrieving the ID fails.

NumberFormatException - Thrown when the supposed ID found in the quorum could not be parsed as an integer.