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publishArrived

publishArrived

publishArrived

publishArrived

1

When creating an object that uses the simple interface two methods must be implemented , connectionLost and publishArrived.

当创建使用简单接口的对象时，必须实现两个方法，connectionLost 和 publishArrived 。

2

The method signature for publishArrived has four parameters , three of which provide metadata and one provides the message payload .

publishArrived 的方法签名具有四个参数，其中三个参数提供元数据，一个参数提供消息有效负载。

3

The publishArrived method provides notification that a message on a subscribed topic has been sent by the broker to the client.

publishArrived 方法通知系统已通过代理将订阅的主题的消息发送到客户机。

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