org.apache.ojb.broker.core
Class PersistenceBrokerThreadMapping

java.lang.Object
  org.apache.ojb.broker.core.PersistenceBrokerThreadMapping

public class PersistenceBrokerThreadMapping
extends java.lang.Object

Helper class that tracks correspondence between PersistenceBroker instances and threads. The main task that this class solves is: to get current PersistenceBroker for the given thread. For internal use only.

Version:

$Id: PersistenceBrokerThreadMapping.java 365232 2005-12-21 22:36:07Z tomdz $

Author:

Oleg Nitz

Constructor Summary

PersistenceBrokerThreadMapping()

Method Summary

static PersistenceBrokerInternal	currentPersistenceBroker(PBKey key) Return the current open PersistenceBroker instance for the given PBKey, if any.
static void	setCurrentPersistenceBroker(PBKey key, PersistenceBrokerInternal broker) Mark a PersistenceBroker as preferred choice for current Thread
static void	shutdown() Clean up static fields and any registered ThreadLocal contents to grant a clean shutdown/reload of OJB within re/hot-deployable applications.
static void	unsetCurrentPersistenceBroker(PBKey key, PersistenceBrokerInternal broker) Unmark a PersistenceBroker as preferred choice for current Thread

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistenceBrokerThreadMapping

public PersistenceBrokerThreadMapping()

Method Detail

setCurrentPersistenceBroker

public static void setCurrentPersistenceBroker(PBKey key,
                                               PersistenceBrokerInternal broker)
                                        throws PBFactoryException

Mark a PersistenceBroker as preferred choice for current Thread

Parameters:

key - The PBKey the broker is associated to

broker - The PersistenceBroker to mark as current

Throws:

PBFactoryException

unsetCurrentPersistenceBroker

public static void unsetCurrentPersistenceBroker(PBKey key,
                                                 PersistenceBrokerInternal broker)
                                          throws PBFactoryException

Unmark a PersistenceBroker as preferred choice for current Thread

Parameters:

key - The PBKey the broker is associated to

broker - The PersistenceBroker to unmark

Throws:

PBFactoryException

currentPersistenceBroker

public static PersistenceBrokerInternal currentPersistenceBroker(PBKey key)
                                                          throws PBFactoryException,
                                                                 PersistenceBrokerException

Return the current open PersistenceBroker instance for the given PBKey, if any.

Parameters:

key -

Returns:

null if no open PersistenceBroker found.

Throws:

PBFactoryException

PersistenceBrokerException

shutdown

public static void shutdown()

Clean up static fields and any registered ThreadLocal contents to grant a clean shutdown/reload of OJB within re/hot-deployable applications.