atavism.server.engine
Class OIDManager

java.lang.Object
  atavism.server.engine.OIDManager

public class OIDManager
extends java.lang.Object

handles giving out OIDs it gets unique OIDs from the database in chunks and gives them out

Field Summary

int	defaultChunkSize
static long	invalidOid

Constructor Summary

OIDManager()

OIDManager(Database db)

Method Summary

boolean	empty() returns if there are no more OIDs and we need to grab more
protected void	getNewChunk(int chunkSize) grabs a new chunk of Oids sets freeOid and lastOid appropriately
OID	getNextOid() returns the next free oid

Methods inherited from class java.lang.Object

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

Field Detail

invalidOid

public static final long invalidOid

See Also:

Constant Field Values

defaultChunkSize

public int defaultChunkSize

Constructor Detail

OIDManager

public OIDManager()

OIDManager

public OIDManager(Database db)

Method Detail

getNextOid

public OID getNextOid()

returns the next free oid

empty

public boolean empty()

returns if there are no more OIDs and we need to grab more

getNewChunk

protected void getNewChunk(int chunkSize)

grabs a new chunk of Oids sets freeOid and lastOid appropriately