com.sun.ejb.base.sfsb.util
Class ScrambledKeyGenerator

java.lang.Object
  com.sun.ejb.base.sfsb.util.SimpleKeyGenerator
      com.sun.ejb.base.sfsb.util.ScrambledKeyGenerator

All Implemented Interfaces:

SFSBUUIDUtil<SimpleKeyGenerator.SimpleSessionKey>, org.glassfish.ha.store.util.KeyTransformer<SimpleKeyGenerator.SimpleSessionKey>

public class ScrambledKeyGenerator
extends SimpleKeyGenerator

A utility class that generates stateful session keys using two longs The session id generated by this class is guarenteed to be unique as long as the system clock is never reset to a previous value The hashCode of the SessionKey generated by ScrambledKeyGenerator also allows uniform distribution of keys when hashed in a HashMap

Author:

Mahesh Kannan

Nested Class Summary

Nested classes/interfaces inherited from class com.sun.ejb.base.sfsb.util.SimpleKeyGenerator

SimpleKeyGenerator.SimpleSessionKey

Field Summary

Fields inherited from class com.sun.ejb.base.sfsb.util.SimpleKeyGenerator

idCounter, prefix, suffix

Constructor Summary

ScrambledKeyGenerator()

ScrambledKeyGenerator(byte[] ipAddress, int port)

ScrambledKeyGenerator(long val)

Method Summary

SimpleKeyGenerator.SimpleSessionKey

createSessionKey() Create and return the sessionKey.

Methods inherited from class com.sun.ejb.base.sfsb.util.SimpleKeyGenerator

byteArrayToKey, keyToByteArray

Methods inherited from class java.lang.Object

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

Constructor Detail

ScrambledKeyGenerator

public ScrambledKeyGenerator()

ScrambledKeyGenerator

public ScrambledKeyGenerator(byte[] ipAddress,
                             int port)

ScrambledKeyGenerator

public ScrambledKeyGenerator(long val)

Method Detail

createSessionKey

public SimpleKeyGenerator.SimpleSessionKey createSessionKey()

Create and return the sessionKey.

Specified by:

createSessionKey in interface SFSBUUIDUtil<SimpleKeyGenerator.SimpleSessionKey>

Overrides:

createSessionKey in class SimpleKeyGenerator

Returns:

the sessionKey object