The initial JCA release provided a detailed life-cycle model for managed connections and their associated connection handles, but it included no such concept for the resource adapter as a whole.
最初的 JCA 版本为托管连接及其相关联的连接句柄提供了详细的生命周期模式，但是它没有为资源适配器提供这种概念。
NoTransaction — a resource adapter with no transactional properties; this can participate in a transactional context but is not influenced by (and has no effect upon) the outcome of the transaction.
NoTransaction——指无事务属性的资源适配器；它可以参与事务上下文，但不受事务结果的影响(也不影响事务的结果)。
A resource adapter with no transactional properties, this can participate in a transactional context but is not influenced by, and has no effect upon the outcome of the transaction.
不具有事务功能的的资源管理器，该资源管理器可以参与事务上下文，但是不受事务结果的影响，并对事务结果没有影响。
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