com.metamatrix.common.id.dbid
Class DBIDGenerator

java.lang.Object
  com.metamatrix.common.id.dbid.DBIDGenerator

All Implemented Interfaces:

DBIDController

public class DBIDGenerator
extends java.lang.Object
implements DBIDController

Method Summary

long	getID(java.lang.String context) Call to get a unique id for the given context and by default the the id numbers cannot be rolled over and reused.
static DBIDGenerator	getInstance()
void	setUseMemoryIDGeneration(boolean useInMemory) Call to switch whether persistent storage of ID's is to be used.

Methods inherited from class java.lang.Object

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

Method Detail

getID

public long getID(java.lang.String context)
           throws DBIDGeneratorException

Call to get a unique id for the given context and by default the the id numbers cannot be rolled over and reused.

Specified by:

getID in interface DBIDController

Parameters:

context - that identifies a unique entity

Returns:

long is the next id

Throws:

DBIDGeneratorException

setUseMemoryIDGeneration

public void setUseMemoryIDGeneration(boolean useInMemory)

Call to switch whether persistent storage of ID's is to be used.

Parameters:

useInMemory - whether or not to use in Memory ID generation

getInstance

public static DBIDGenerator getInstance()