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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.broker.core

Source Cross Reference Class Diagram Java Document (Java Doc)

org.apache.ojb.broker.core .PersistenceBrokerFactoryIF

All known Subclasses:   org.apache.ojb.broker.core .PersistenceBrokerFactoryBaseImpl,
PersistenceBrokerFactoryIF
public interface PersistenceBrokerFactoryIF extends Configurable(Code)
Factory for PersistenceBroker instances. Each implementation have to provide a default constructor.
author:
   Thomas Mahler
version:
   $Id: PersistenceBrokerFactoryIF.java,v 1.4.2.3 2005/12/21 22:25:01 tomdz Exp $

Method Summary
public int activePersistenceBroker()
     Returns the total number of active org.apache.ojb.broker.PersistenceBroker instances.
public PersistenceBrokerInternal createPersistenceBroker(PBKey key)
     Return org.apache.ojb.broker.PersistenceBroker instance for the given org.apache.ojb.broker.PBKey .
public PersistenceBrokerInternal createPersistenceBroker(String jcdAlias, String user, String password)
     Return a ready for action org.apache.ojb.broker.PersistenceBroker instance.
public PersistenceBrokerInternal defaultPersistenceBroker()
     Return a default broker instance, specified in configuration or set using PersistenceBrokerFactoryIF.setDefaultKey .
public PBKey getDefaultKey()
     Get the default PBKey .
public void releaseAllInstances()
     release all broker instances pooled by the factory.
public void setDefaultKey(PBKey key)
     Set the PBKey used for convinience PersistenceBroker lookup method PersistenceBrokerFactoryIF.defaultPersistenceBroker .
public void shutdown()
     Shutdown method for OJB, kills all running processes within OJB - after shutdown OJB can no longer be used.
This method is introduced to solve hot/redeployment problems (memory leaks) caused by the usage of ThreadLocal instances in OJB source and the reuse of threads by the container (e.g.

Method Detail
activePersistenceBroker
public int activePersistenceBroker()(Code)
Returns the total number of active org.apache.ojb.broker.PersistenceBroker instances.

createPersistenceBroker
public PersistenceBrokerInternal createPersistenceBroker(PBKey key) throws PBFactoryException(Code)
Return org.apache.ojb.broker.PersistenceBroker instance for the given org.apache.ojb.broker.PBKey .
Parameters:
  key -

createPersistenceBroker
public PersistenceBrokerInternal createPersistenceBroker(String jcdAlias, String user, String password) throws PBFactoryException(Code)
Return a ready for action org.apache.ojb.broker.PersistenceBroker instance.
Parameters:
  jcdAlias - An jcdAlias name specified in a jdbc-connection-descriptor
Parameters:
  user - user name specified in a jdbc-connection-descriptor
Parameters:
  password - valid password specified in a jdbc-connection-descriptor

defaultPersistenceBroker
public PersistenceBrokerInternal defaultPersistenceBroker() throws PBFactoryException(Code)
Return a default broker instance, specified in configuration or set using PersistenceBrokerFactoryIF.setDefaultKey .

getDefaultKey
public PBKey getDefaultKey()(Code)
Get the default PBKey . This method is convenience for org.apache.ojb.broker.metadata.MetadataManager.getDefaultPBKey .
See Also:   PersistenceBrokerFactoryIF.setDefaultKey

releaseAllInstances
public void releaseAllInstances()(Code)
release all broker instances pooled by the factory. each broker instance is closed before release.

setDefaultKey
public void setDefaultKey(PBKey key)(Code)
Set the PBKey used for convinience PersistenceBroker lookup method PersistenceBrokerFactoryIF.defaultPersistenceBroker .
Note: It's only allowed to set the default PBKey once. All further calls will cause an exception. If a default org.apache.ojb.broker.metadata.JdbcConnectionDescriptor was declared in configuration file, OJB will set the declared PBKey as default.
This method is convenience for org.apache.ojb.broker.metadata.MetadataManager.setDefaultPBKey .

shutdown
public void shutdown()(Code)
Shutdown method for OJB, kills all running processes within OJB - after shutdown OJB can no longer be used.
This method is introduced to solve hot/redeployment problems (memory leaks) caused by the usage of ThreadLocal instances in OJB source and the reuse of threads by the container (e.g. servlet- or ejb-container).

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