UniqueIdCreator (CaptainCasa Enterprise Client)

java.lang.Object

org.eclnt.util.valuemgmt.UniqueIdCreator

public class UniqueIdCreator extends Object

Utility class for creating unique ids.

Constructor Summary

Constructors

Constructor

Description

UniqueIdCreator()
Method Summary

Modifier and Type

Method

Description

static long

createCounter()

Increases the process counter that is used in createId().

static String

createId()

Creates a unique id based on a prefix which is built one time per process.

static String

createRandomId()

Creates a unique id based on current time stamp, random number and process counter.

static String

createUUID()

Creates a UUID according to UUID management of Java 1.7.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- UniqueIdCreator
  
  public UniqueIdCreator()
Method Details
- createId
  
  public static String createId()
  
  Creates a unique id based on a prefix which is built one time per process. The prefix consists out of the current timestamp and a random value. Values are then created by adding a counter. This id is a counted if and must NOT be used for any purpose demanding some unique id that is not predictable!
- createRandomId
  
  public static String createRandomId()
  
  Creates a unique id based on current time stamp, random number and process counter.
- createCounter
  
  public static long createCounter()
  
  Increases the process counter that is used in createId().
- createUUID
  
  public static String createUUID()
  
  Creates a UUID according to UUID management of Java 1.7. The result is a 36 char long UUID following the common UUID format for 128bit based UUIDs.
  
  If Java 1.7 is not available then the method createRandomId() is used for creating the id.