oracle.jbo.server
Class DefaultTxnHandlerImpl

java.lang.Object
  |
  +--oracle.jbo.server.DefaultTxnHandlerImpl

public class DefaultTxnHandlerImpl

extends java.lang.Object

implements TransactionHandler

The default implementation of the TransactionHandler interface. DefaultTxnHandlerImpl provides transaction handling when running under non-EJB platforms. Hence the name "Default". Examples of non-EJB platforms are LOCAL, 8i (Oracle8i), CORBA, and VB (Visibroker). When running under a non-EJB platform, transactions are committed using the JDBC API. In contrast, when running under EJB, transactions are committed using the JTS API.

Since:

JDeveloper 3.0

See Also:

TransactionHandler

Constructor Summary

DefaultTxnHandlerImpl(java.sql.Connection c)
Creates a transaction handler on a JDBC connection.

Method Summary

void	handleClose() Issues a close() command to the JDBC connection.
void	handleCommit() Issues a commit() command to the JDBC connection.
void	handleOpen() Opens a transaction.
void	handleRollback() Issues a rollback() command to the JDBC connection.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultTxnHandlerImpl

public DefaultTxnHandlerImpl(java.sql.Connection c)

Creates a transaction handler on a JDBC connection.

Parameters:

c - a connection.

Method Detail

handleOpen

public void handleOpen()

Opens a transaction. Under JDBC, the transaction is already assumed to be open. Other than set autocommit to false, this default implementation does nothing.

Specified by:

handleOpen in interface TransactionHandler

handleCommit

public void handleCommit()

Issues a commit() command to the JDBC connection.

Specified by:

handleCommit in interface TransactionHandler

Throws:

DMLException - if an attempt to post to the database was unsuccessful.

handleRollback

public void handleRollback()

Issues a rollback() command to the JDBC connection.

Specified by:

handleRollback in interface TransactionHandler

Throws:

DMLException - if an attempt to post to the database was unsuccessful.

handleClose

public void handleClose()

Issues a close() command to the JDBC connection.

Specified by:

handleClose in interface TransactionHandler

Throws:

DMLException - if an attempt to post to the database was unsuccessful.