If the lengthof the event is less than or equal to 1024, only one context data element exists in the event.
如果事件的长度小于或等于1024,那么事件中只有一个上下文数据元素。
2
I've got to count my way down, which means that the access would be linear in the lengthof the list to find the I 'th element of the list, and that's going to increase the complexity.