| 
Class Summary | 
| AbstractSequentialIdGenerator | 
Base class for IdGenerator services that generate
 sequential ids. | 
| FileIdGenerator | 
PersistentIdGenerator that stores IdSpaces in a flat
 file as a serialized Map. | 
| IdSpace | 
IdSpace defines the scope of a set of ids and how they are
 generated. | 
| ObfuscatedSQLIdGenerator | 
Persistent, obfuscated id generator that keeps track of ids given out
 using an SQL DB table. | 
| PersistentIdGenerator | 
An IdGenerator that gives out ids suitable for use
 with persistent objects. | 
| SQLIdGenerator | 
Persistent, sequential id generator that keeps track of ids given out
 using an SQL DB table. | 
| TransientIdGenerator | 
Service that generates sequential ids as either Strings or
 longs. | 
| Util | 
Utility classes related to id generation. |