Package org.datanucleus.jdo.connector

Class ManagedConnectionImpl

java.lang.Object

org.datanucleus.jdo.connector.ManagedConnectionImpl

All Implemented Interfaces:

javax.resource.spi.ManagedConnection

public class ManagedConnectionImpl
extends Object
implements javax.resource.spi.ManagedConnection

Implementation of ManagedConnection persistence manager Handle is the Object Instance of the API the user application is interacting with.

Constructor Summary

Constructors

Constructor	Description
ManagedConnectionImpl(ManagedConnectionFactoryImpl mcf, javax.resource.spi.security.PasswordCredential credential)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	addConnectionEventListener(javax.resource.spi.ConnectionEventListener cel)	Mutator to add a connection listener
void	associateConnection(Object c)	Mutator to associate a connection
void	begin()	Method to start the Transaction
void	cleanup()	Cleanup method
void	destroy()	Destroy method
Object	getConnection(Subject subject, javax.resource.spi.ConnectionRequestInfo cri)	Accessor for the connection
javax.resource.spi.LocalTransaction	getLocalTransaction()	Accessor for the local transaction
PrintWriter	getLogWriter()	Accessor for the Log
javax.resource.spi.ManagedConnectionMetaData	getMetaData()	Accessor for the connection MetaData
org.datanucleus.api.jdo.JDOPersistenceManager	getPersistenceManager()
XAResource	getXAResource()	Accessor for the XA resource.
void	removeConnectionEventListener(javax.resource.spi.ConnectionEventListener cel)	Mutator to remove a connection listener
void	setLogWriter(PrintWriter writer)	Mutator for the Log

Methods inherited from class java.lang.Object

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

Constructor Detail

ManagedConnectionImpl

public ManagedConnectionImpl(ManagedConnectionFactoryImpl mcf,
                             javax.resource.spi.security.PasswordCredential credential)
                      throws javax.resource.ResourceException

Constructor.

Parameters:

mcf - the ManagedConnectionFactory

credential - the PasswordCredential

Throws:

javax.resource.ResourceException - if error occurs

Method Detail

begin

public void begin()

Method to start the Transaction

destroy

public void destroy()
             throws javax.resource.ResourceException

Destroy method

Specified by:

destroy in interface javax.resource.spi.ManagedConnection

Throws:

javax.resource.ResourceException - if error occurs

cleanup

public void cleanup()
             throws javax.resource.ResourceException

Cleanup method

Specified by:

cleanup in interface javax.resource.spi.ManagedConnection

Throws:

javax.resource.ResourceException - if error occurs

getPersistenceManager

public org.datanucleus.api.jdo.JDOPersistenceManager getPersistenceManager()

getConnection

public Object getConnection(Subject subject,
                            javax.resource.spi.ConnectionRequestInfo cri)
                     throws javax.resource.ResourceException

Accessor for the connection

Specified by:

getConnection in interface javax.resource.spi.ManagedConnection

Parameters:

subject - The subject

cri - request info

Returns:

The connection

Throws:

javax.resource.ResourceException - if error occurs

getLogWriter

public PrintWriter getLogWriter()
                         throws javax.resource.ResourceException

Accessor for the Log

Specified by:

getLogWriter in interface javax.resource.spi.ManagedConnection

Returns:

The Log writer

Throws:

javax.resource.ResourceException - if error occurs

setLogWriter

public void setLogWriter(PrintWriter writer)
                  throws javax.resource.ResourceException

Mutator for the Log

Specified by:

setLogWriter in interface javax.resource.spi.ManagedConnection

Parameters:

writer - PrintWriter to use for Log

Throws:

javax.resource.ResourceException - if error occurs

addConnectionEventListener

public void addConnectionEventListener(javax.resource.spi.ConnectionEventListener cel)

Mutator to add a connection listener

Specified by:

addConnectionEventListener in interface javax.resource.spi.ManagedConnection

Parameters:

cel - event listener

removeConnectionEventListener

public void removeConnectionEventListener(javax.resource.spi.ConnectionEventListener cel)

Mutator to remove a connection listener

Specified by:

removeConnectionEventListener in interface javax.resource.spi.ManagedConnection

Parameters:

cel - event listener

associateConnection

public void associateConnection(Object c)
                         throws javax.resource.ResourceException

Mutator to associate a connection

Specified by:

associateConnection in interface javax.resource.spi.ManagedConnection

Parameters:

c - connection

Throws:

javax.resource.ResourceException - if error occurs

getLocalTransaction

public javax.resource.spi.LocalTransaction getLocalTransaction()
                                                        throws javax.resource.ResourceException

Accessor for the local transaction

Specified by:

getLocalTransaction in interface javax.resource.spi.ManagedConnection

Returns:

local txn

Throws:

javax.resource.ResourceException - if error occurs

getMetaData

public javax.resource.spi.ManagedConnectionMetaData getMetaData()
                                                         throws javax.resource.ResourceException

Accessor for the connection MetaData

Specified by:

getMetaData in interface javax.resource.spi.ManagedConnection

Returns:

metadata for the connection

Throws:

javax.resource.ResourceException - if error occurs

getXAResource

public XAResource getXAResource()
                         throws javax.resource.ResourceException

Accessor for the XA resource. The application server enlists this XAResource into a XA transaction This is invoked only once per instance.

Specified by:

getXAResource in interface javax.resource.spi.ManagedConnection

Returns:

XA resource

Throws:

javax.resource.ResourceException - if error occurs