The entity management layer is responsible for entity management and ensuring the transactionintegrity of that object within the container.
实体管理层负责实体管理，并确保容器内该对象的事务完整性。
2
Therefore, a global transaction context is not necessary to maintain transactionintegrity, as there is only one resource manager within the transaction.
所以全局事务上下文不需要维护事务的完整性，因为在事务里只有一个资源管理器。
3
Ensuring transactionintegrity when distributing business processes across the network and when failure and reliability concerns are significant, for example, in banking applications.