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Implementing an IceStorm Publisher

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An IceStorm publisher is an Ice client application that sends requests to a Topic hosted by the IceStorm service.

The IceStorm/weather demo program provides a complete publisher application. It’s available in all programming languages.

The implementation of the weather sensor (or collector) can be summarized as follows:

  1. Create a proxy for the IceStorm TopicManager . This is the primary IceStorm object, used by both publishers and subscribers.
  2. Obtain a proxy for the weather topic by calling createOrRetrieve("weather") on the TopicManager. This operation returns a proxy to the topic with this name, creating this topic first if it does not exist.
  3. Obtain a proxy for the weather topic's "publisher object" by calling getPublisher on the topic proxy. This proxy is provided for the purpose of publishing messages, and therefore is narrowed to the topic interface (WeatherStation).
  4. Collect and report readings by invoking on the proxy created in the previous step.