Module org.eclipse.persistence.nosql

Package org.eclipse.persistence.internal.eis.adapters.xmlfile

Class XMLFileTransaction

java.lang.Object

org.eclipse.persistence.internal.eis.adapters.xmlfile.XMLFileTransaction

All Implemented Interfaces:

LocalTransaction

public class XMLFileTransaction
extends Object
implements LocalTransaction

Transaction to XML file JCA adapter. Transaction are supported to a limited degree through writing the doms to the file system on commit.

Since:

OracleAS TopLink 10g (10.0.3)

Field Summary

Fields

Modifier and Type	Field	Description
protected XMLFileConnection	connection
protected Map<String,EISDOMRecord>	domFiles
protected boolean	isInTransaction

Constructor Summary

Constructors

Constructor	Description
XMLFileTransaction(XMLFileConnection connection)	Default constructor.

Method Summary

Modifier and Type	Method	Description
void	begin()	Record that a transaction has begun.
void	commit()	Write each of the transactional DOM records back to their files.
boolean	isInTransaction()	Return if currently within a transaction.
EISDOMRecord	retrieveDOMRecord(File file)	Return the transactional copy of the file's DOM record.
void	rollback()	Throw away each of the DOM records in the transactional cache.

Methods inherited from class java.lang.Object

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

Field Details

isInTransaction

protected boolean isInTransaction

domFiles

protected Map<String,EISDOMRecord> domFiles

connection

protected XMLFileConnection connection

Constructor Details

XMLFileTransaction

public XMLFileTransaction(XMLFileConnection connection)

Default constructor.

Method Details

begin

public void begin()

Record that a transaction has begun.

Specified by:

begin in interface LocalTransaction

isInTransaction

public boolean isInTransaction()

Return if currently within a transaction.

commit

public void commit()
            throws ResourceException

Write each of the transactional DOM records back to their files.

Specified by:

commit in interface LocalTransaction

Throws:

ResourceException

rollback

public void rollback()

Throw away each of the DOM records in the transactional cache.

Specified by:

rollback in interface LocalTransaction

retrieveDOMRecord

public EISDOMRecord retrieveDOMRecord(File file)
                               throws Exception

Return the transactional copy of the file's DOM record. This will be written on commit.

Throws:

Exception