Transaction/JTA Overview
For the purpose of this discussion, a transaction can be defined as a unit of work containing one or more operations involving one or more shared resources having Atomicity, Consistency, Isolation and Durability (ACID) properties. ACID can be defined as follows:
Atomicity—A transaction must be atomic, meaning that either all or none the work done in the transaction must be performed. Doing only part of a transaction is not allowed.
Consistency—When a transaction is completed, the system must be in a stable and consistent condition. Here consistent is with respect to all modifications of state that have been attempted by work done in the context of a transaction. If the transaction fails, there cannot be any side effects ...
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