Package org.apache.pulsar.functions.api.examples

Class WordCountFunction

  • All Implemented Interfaces:
    org.apache.pulsar.functions.api.Function<java.lang.String,​java.lang.Void>
    public class WordCountFunction
extends java.lang.Object
implements org.apache.pulsar.functions.api.Function<java.lang.String,​java.lang.Void>
    The classic word count example done using pulsar functions Each input message is a sentence that split into words and each word counted. The built in counter state is used to keep track of the word count in a persistent and consistent manner.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Void process​(java.lang.String input, org.apache.pulsar.functions.api.Context context)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • WordCountFunction

        public WordCountFunction()

    • Method Detail

      • process

        public java.lang.Void process​(java.lang.String input,
                              org.apache.pulsar.functions.api.Context context)
        Specified by:
        process in interface org.apache.pulsar.functions.api.Function<java.lang.String,​java.lang.Void>