ClientIdGenerator (Apache HBase 1.2.12 API)

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java.lang.Object
- org.apache.hadoop.hbase.client.ClientIdGenerator

```
@InterfaceAudience.Private
 class ClientIdGenerator
extends Object
```
The class that is able to determine some unique strings for the client, such as an IP address, PID, and composite deterministic ID.

- Field Summary
  
  Fields
  Modifier and Type Field and Description
  
  private static org.apache.commons.logging.Log LOG
- Constructor Summary
  
  Constructors
  Constructor and Description
  
  ClientIdGenerator()
- Method Summary
  
  Methods
  Modifier and Type Method and Description
  
  static byte[] generateClientId()
  
  static byte[] getIpAddressBytes()
  
  static Long getPid()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - LOG
```
private static final org.apache.commons.logging.Log LOG
```
- Constructor Detail
  - ClientIdGenerator
```
ClientIdGenerator()
```
- Method Detail
  - generateClientId
```
public static byte[] generateClientId()
```
    Returns:
    a unique ID incorporating IP address, PID, TID and timer. Might be an overkill... Note though that new UUID in java by default is just a random number.
  - getPid
```
public static Long getPid()
```
    Returns:
    PID of the current process, if it can be extracted from JVM name, or null.
  - getIpAddressBytes
```
public static byte[] getIpAddressBytes()
```
    Returns:
    Some IPv4/IPv6 address available on the current machine that is up, not virtual and not a loopback address. Empty array if none can be found or error occured.

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