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Table of Contents
1. Introduction .................................................................................................................................... 1
1.1. Who Should Read This Guide ................................................................................................. 1
1.2. Preface ................................................................................................................................ 1
1.3. System Requirements ............................................................................................................. 1
2. JTA Overview ................................................................................................................................ 2
2.1. Transactions ......................................................................................................................... 2
2.1.1. Nested Transactions .................................................................................................... 2
2.2. What is JTA? ....................................................................................................................... 3
2.3. Two-Phase Commit ............................................................................................................... 3
2.3.1. JTA Components ........................................................................................................ 4
3. Configuring Atomikos TransactionsEssentials ..................................................................................... 13
3.1. The Configuration File ......................................................................................................... 13
3.2. Default Values You Should Override ...................................................................................... 13
3.3. Ant-Style References in the Properties File .............................................................................. 13
3.4. Questions ........................................................................................................................... 14
3.4.1. Question 1 ............................................................................................................... 14
3.4.2. Question 2 ............................................................................................................... 14
3.4.3. Question 3 ............................................................................................................... 14
4. Programming Transactional Applications ........................................................................................... 15
4.1. Regular Applications: Atomikos JDBC/JMS and the UserTransaction ........................................... 15
4.1.1. Getting the UserTransaction ........................................................................................ 15
4.1.2. JDBC: Using an Atomikos DataSource ......................................................................... 16
4.1.3. JDBC: Using an Atomikos Non-XA DataSource ............................................................ 17
4.1.4. JMS: Using an Atomikos JMS ConnectionFactory .......................................................... 18
4.1.5. JMS: Message-Driven Functionality ............................................................................. 19
4.1.6. JMS: Managed Sender Sessions .................................................................................. 19
4.2. For XA-Level Integration: The JTA TransactionManager ........................................................... 19
4.2.1. Getting the TransactionManager .................................................................................. 19
4.2.2. Typical Code Pattern for JTA/XA ................................................................................ 20
4.3. Easier and Better: The Atomikos TransactionTemplate ............................................................... 21
4.4. For Sophisticated Needs: The Atomikos UserTransactionService ................................................. 21
4.4.1. Getting a UserTransactionService Instance .................................................................... 21
4.4.2. Overriding static properties ......................................................................................... 22
4.4.3. Explicit Resource Registration and Recovery ................................................................. 22
4.4.4. Explicit Startup and Shutdown .................................................................................... 23
4.4.5. Questions ................................................................................................................ 24
5. More Information ........................................................................................................................... 26
A. Answers ...................................................................................................................................... 27
A.1. Chapter 2: Answers ............................................................................................................ 27
A.1.1. Question 1 .............................................................................................................. 27
A.1.2. Question 2 .............................................................................................................. 27
A.1.3. Question 3 .............................................................................................................. 27
A.1.4. Question 4 .............................................................................................................. 27
A.1.5. Question 5 .............................................................................................................. 27
A.2. Chapter 3: Answers ............................................................................................................ 28
A.2.1. Question 1 .............................................................................................................. 28
A.2.2. Question 2 .............................................................................................................. 28
A.2.3. Question 3 .............................................................................................................. 28
A.3. Chapter 4: Answers ............................................................................................................ 28
A.3.1. Question 1 .............................................................................................................. 28
A.3.2. Question 2 .............................................................................................................. 29
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