Module eclipselink

Package org.eclipse.persistence.platform.database.oracle.ucp

Class GridLinkDataPartitioningCallback

java.lang.Object

org.eclipse.persistence.platform.database.oracle.ucp.UCPDataPartitioningCallback

org.eclipse.persistence.platform.database.oracle.ucp.GridLinkDataPartitioningCallback

All Implemented Interfaces:

oracle.ucp.ConnectionAffinityCallback, oracle.ucp.jdbc.oracle.DataBasedConnectionAffinityCallback, DataPartitioningCallback

public class GridLinkDataPartitioningCallback
extends UCPDataPartitioningCallback

PUBLIC: Integrates with WebLogic GirdLink's data affinity support.

See Also:

PartitioningPolicy

Author:

James Sutherland

Since:

EclipseLink 2.3

Nested Class Summary

Nested classes/interfaces inherited from interface oracle.ucp.ConnectionAffinityCallback

oracle.ucp.ConnectionAffinityCallback.AffinityPolicy

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	isRegistered
protected static ThreadLocal<Integer>	partitionId	The id is stored in a static thread local.

Constructor Summary

Constructors

Constructor	Description
GridLinkDataPartitioningCallback()	Default constructor.

Method Summary

Modifier and Type	Method	Description
int	getPartitionId()
void	register(DataSource datSource, Session session)	Registration only occurs once in WLS (against all data sources), so must be static registered.
static void	register(Session session)	Register with WLS through reflection.
void	setPartitionId(int id)	Set the partition id for this thread.

Methods inherited from class org.eclipse.persistence.platform.database.oracle.ucp.UCPDataPartitioningCallback

getAffinityPolicy, getConnectionAffinityContext, setAffinityPolicy, setConnectionAffinityContext, setDataKey

Methods inherited from class java.lang.Object

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

Field Detail

partitionId

protected static ThreadLocal<Integer> partitionId

The id is stored in a static thread local.

isRegistered

public static boolean isRegistered

Constructor Detail

GridLinkDataPartitioningCallback

public GridLinkDataPartitioningCallback()

Default constructor.

Method Detail

register

public void register(DataSource datSource,
                     Session session)

Registration only occurs once in WLS (against all data sources), so must be static registered.

Specified by:

register in interface DataPartitioningCallback

Overrides:

register in class UCPDataPartitioningCallback

register

public static void register(Session session)

Register with WLS through reflection.

setPartitionId

public void setPartitionId(int id)

Set the partition id for this thread.

Specified by:

setPartitionId in interface DataPartitioningCallback

Overrides:

setPartitionId in class UCPDataPartitioningCallback

getPartitionId

public int getPartitionId()

Specified by:

getPartitionId in interface oracle.ucp.jdbc.oracle.DataBasedConnectionAffinityCallback

Overrides:

getPartitionId in class UCPDataPartitioningCallback