The resource adapter can optionally pass a listener that will be notified as the item of work passes through the states of accepted, started, and completed or, in the failure case, rejected.
资源适配器能够有选择地传递一个监听器，当工作的项目通过接受、启动或完成这几个状态(失败的情况下则是拒绝)传递过来时，监听器会得到通知。
In addition to the usual event methods, the WorkEvent class provides accessors for the type of event (accepted, rejected, started, or completed) and the item of work in question.
除了通常的事件方法之外，workevent类还为这些类型的事件(接受、拒绝、启动或完成)以及有问题的工作项目提供了存取器。
Some queues are restricted in size, so when you want to add a new item to a full queue, the additional item is rejected.
一些队列有大小限制，因此如果想在一个满的队列中加入一个新项，多出的项就会被拒绝。
Some queues are restricted in size, so when you want to add a new item to a full queue, the additional item is rejected.
一些队列有大小限制，因此如果想在一个满的队列中加入一个新项，多出的项就会被拒绝。
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