873f17414e
* Streaming source * Add twitter search and messasge sources * Add more twitter source, sink and processors * Add IT tests for twitter update sink * Add IT tests for twitter message sink * Add IT tests for twitter trend processor * twitter suppliers readme * twitter consumers readme * twitter functions readme * Disable TwitterStreamSourceTests
31 lines
2.0 KiB
Plaintext
31 lines
2.0 KiB
Plaintext
# Twitter Functions
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This module provides couple of twitter functions that can be reused and composed in other applications.
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## Twitter Trend Function
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Functions can return either Trends topics or the Locations of the trending topics. The `twitter.trend.trend-query-type` property allows choosing between both types.
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* Trends - `twitter.trend.trend-query-type` is set to `trend`. Leverages the https://developer.twitter.com/en/docs/trends/trends-for-location/api-reference/get-trends-place[Trends API] to return the https://help.twitter.com/en/using-twitter/twitter-trending-faqs[trending topics] near a specific latitude, longitude location.
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* Trend Locations - the `twitter.trend.trend-query-type` is set `trendLocation`. Retrieve a full or nearby locations list of trending topics by location. If the `latitude`, `longitude` parameters are NOT provided the processor performs the https://developer.twitter.com/en/docs/trends/locations-with-trending-topics/api-reference/get-trends-available[Trends Available API] and returns the locations that Twitter has trending topic information for.
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If the `latitude`, `longitude` parameters are provided the processor performs the https://developer.twitter.com/en/docs/trends/locations-with-trending-topics/api-reference/get-trends-closest[Trends Closest API] and returns the locations that Twitter has trending topic information for, closest to a specified location.
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Response is an array of `locations` that encode the location's WOEID and some other human-readable information such as a canonical name and country the location belongs in.
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### Beans for injection
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You can import the `TwitterTrendFunctionConfiguration` in a Spring Boot application and then inject the following bean.
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`filterFunction`
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You can use `Function<Message<?>, Message<byte[]>> trendOrTrendLocationsFunction` as a qualifier when injecting.
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Once injected, you can use the `apply` method of the `Function` to invoke it and get the result.
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### Configuration Options
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### Other usage
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