docs/_docs/extensions-and-integrations/streaming/twitter-streamer.adoc

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= Twitter Streamer

Ignite Twitter Streamer module consumes tweets from Twitter and feeds the transformed key-value pairs `<tweetId, text>` into Ignite.

To stream data from Twitter into Ignite, you need to:

. Import Ignite Twitter Module with Maven and replace `${ignite-twitter-ext.version}` with the actual Ignite Twitter Extension version you are interested in.
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[tabs]
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tab:pom.xml[]
[source,xml]
----
<dependency>
  <groupId>org.apache.ignite</groupId>
  <artifactId>ignite-twitter-ext</artifactId>
  <version>${ignite-twitter-ext.version}</version>
</dependency>
----
--

. In your code, set the necessary parameters and start the streamer, like so:
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[tabs]
--
tab:Java[]
[source,java]
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IgniteDataStreamer dataStreamer = ignite.dataStreamer("myCache");
dataStreamer.allowOverwrite(true);
dataStreamer.autoFlushFrequency(10);

OAuthSettings oAuthSettings = new OAuthSettings("setting1", "setting2", "setting3", "setting4");

TwitterStreamer<Integer, String> streamer = new TwitterStreamer<>(oAuthSettings);
streamer.setIgnite(ignite);
streamer.setStreamer(dataStreamer);

Map<String, String> params = new HashMap<>();
params.put("track", "apache, twitter");
params.put("follow", "3004445758");

streamer.setApiParams(params);// Twitter Streaming API params.
streamer.setEndpointUrl(endpointUrl);// Twitter streaming API endpoint.
streamer.setThreadsCount(8);

streamer.start();
----
--

Refer to https://dev.twitter.com/streaming/overview[Twitter streaming API, window=_blank] documentation for more information on various streaming parameters.