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

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= Apache Storm Streamer

Apache Ignite Storm Streamer module provides streaming via http://storm.apache.org/[Storm, window=_blank] to Ignite.

Starting data transfer to Ignite can be done with the following steps.

. Import Ignite Storm Streamer Module In Maven Project. If you are using Maven to manage dependencies of your project,
you can add Storm module dependency like this (replace `${ignite-storm-ext.version}` with actual Ignite Storm Extension version you are interested in):
+
[tabs]
--
tab:pom.xml[]
[source,xml]
----
<project xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
                        http://maven.apache.org/xsd/maven-4.0.0.xsd">
    ...
    <dependencies>
        ...
        <dependency>
            <groupId>org.apache.ignite</groupId>
            <artifactId>ignite-storm-ext</artifactId>
            <version>${ignite-storm-ext.version}</version>
        </dependency>
        ...
    </dependencies>
    ...
</project>
----
--

. Create an Ignite configuration file (see `example-ignite.xml` in `modules/storm/src/test/resources/example-ignite.xml`)
and make sure it is accessible from the streamer.
. Make sure your key-value data input to the streamer is specified with the field named `ignite` (or a different one you
configure with `StormStreamer.setIgniteTupleField(...)`).
See TestStormSpout.declareOutputFields(...) for an example.
. Create a topology with the streamer, make a jar file with all dependencies and run the following
+
[tabs]
--
tab:Shell[]
[source,shell]
----
storm jar ignite-storm-streaming-jar-with-dependencies.jar my.company.ignite.MyStormTopology
----
--