It tells you which particular event occurred on which node.

它会告诉您哪个节点上发生了什么事件。

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Obtain the text node values if the event type is text and set the text node values on the corresponding TextView widgets.

如果事件类型为Text则获得文本节点值，并在相应的TextView小部件上设置文本节点值。

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Also, the event occurrences on one node of the cluster are propagated to all nodes in the cluster and corrective action can be easily taken.

而且，可以将集群中一个节点上发生的事件通知给其他节点，从而可以轻松采取纠正措施。

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