JTA - Java Transaction API

JTA - Java Transaction API

1. allows applications to perform distributed transactions

   • Transactions -- Logical unit of work i.e. either completed/no results
     • Distributed Transaction -- Transactions can access data on 2/more networked computers

2. Various Components involved

   • The Application
     • The Application Server
       • The Transaction Manager
         • The Resource manager

3. Two Phase Commit

   • 1. Commit Request / Voting Phase
     • Commit Phase

4. JTA ARCHITECTURE

   • 1. UserTransaction -- App:TM
     • 2. TransactionManager -- App Server:TM
       • XAResource -- RM:TM

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