TRAX

Trax provides a simple transaction manger implementation to with JDBC transaction demarcation.

Features

Simplified API to use.
Can be used in stand-alone or in container based processes.
Supports multiple data-sources.

Benefits

Trax provides a simple transaction manger implementation to with JDBC transaction demarcation.
Simple transactional wrapper on JDBC API.

Concepts

• * The type of database does the matter, as long as jdbc driver support its.
  * Provides a simple API to add transactional behavior to standalone or in container components.
  * Support multiple transactions at the same time and with the same thread.
  * Supports multiple data-sources but transaction don't span across data sources.
  * It does not support nested transactions.
  * Within the same thread multiple transaction can begin and end , in other words the can be overlapping.

Transaction Demarcation

It supports 4 types of transaction demarcation.
TRANSACTION_REQUIRED_NEW = 1 // create a new one irrespective, cerate a new one
TRANSACTION_REQUIRED = 2 // there should be one, it joins it
TRANSACTION_SUPPORTS = 3 // it exits it joins if exist and call a new one
TRANSACTION_NEVER = 4 // there should not be any trx, and create a new one