Jms IoT Processing via apache beam - Java Message

Java examples for Message:JMS

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Description

Jms IoT Processing via apache beam

Demo Code

/*/* w  w w.  j a  v  a2s . co m*/
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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package org.apache.beam.samples.iot;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.beam.sdk.Pipeline;
import org.apache.beam.sdk.io.TextIO;
import org.apache.beam.sdk.io.jms.JmsIO;
import org.apache.beam.sdk.io.jms.JmsRecord;
import org.apache.beam.sdk.options.PipelineOptionsFactory;
import org.apache.beam.sdk.transforms.DoFn;
import org.apache.beam.sdk.transforms.MapElements;
import org.apache.beam.sdk.transforms.ParDo;
import org.apache.beam.sdk.transforms.SimpleFunction;

import javax.jms.ConnectionFactory;

public class JmsIoTProcessing {

    public static void main(String[] args) throws Exception {
        Pipeline pipeline = Pipeline
                .create(PipelineOptionsFactory.create());

        ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(
                "tcp://localhost:61616");

        pipeline.apply(
                JmsIO.read().withConnectionFactory(connectionFactory)
                        .withQueue("iot")).apply(
                ParDo.of(new DoFn<JmsRecord, String>() {
                    @ProcessElement
                    public void processElement(ProcessContext c) {
                        System.out.println(c.element().getPayload());
                        c.output(c.element().getPayload());
                    }
                }));

        pipeline.run();
    }

}

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