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| <p class="shortcomment cmt">Transforms one input into zero or more outputs of possibly different types.</p><div class="fullcomment"><div class="comment cmt"><p>Transforms one input into zero or more outputs of possibly different types. |
| This Scala version of FlatMapFunction returns a TraversableOnce. |
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| <p class="shortcomment cmt">Superclass for all user defined function interfaces.</p><div class="fullcomment"><div class="comment cmt"><p>Superclass for all user defined function interfaces. |
| This ensures all functions are serializable and provides common methods |
| like setup and teardown. Users should not extend this class directly |
| but subclasses like <a href="FlatMapFunction.html" class="extype" name="org.apache.gearpump.streaming.dsl.scalaapi.functions.FlatMapFunction">FlatMapFunction</a>. |
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