Ingest To ActiveMQ using apache - Java Message

Java examples for Message:ActiveMQ

Description

Ingest To ActiveMQ using apache

Demo Code

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package org.apache.beam.samples.ingest;

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.options.Default;
import org.apache.beam.sdk.options.DefaultValueFactory;
import org.apache.beam.sdk.options.Description;
import org.apache.beam.sdk.options.PipelineOptions;
import org.apache.beam.sdk.options.PipelineOptionsFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.SimpleDateFormat;
import java.util.Date;

import javax.jms.ConnectionFactory;

public class IngestToActiveMQ {

    private static final Logger LOG = LoggerFactory
            .getLogger(IngestToActiveMQ.class);

    /**
     * Specific pipeline options.
     */
    private interface Options extends PipelineOptions {
        String GDELT_EVENTS_URL = "http://data.gdeltproject.org/events/";

        @Description("GDELT file date")
        @Default.InstanceFactory(Options.GDELTFileFactory.class)
        String getDate();

        void setDate(String value);

        @Description("Input Path")
        String getInput();

        void setInput(String value);

        @Description("JMS Broker")
        @Default.String("tcp://localhost:61616")
        String getJMSBroker();

        void setJMSBroker(String value);

        @Description("JMS queue")
        @Default.String("gdelt")
        String getJMSQueue();

        void setJMSQueue(String value);

        class GDELTFileFactory implements DefaultValueFactory<String> {
            public String create(PipelineOptions options) {
                SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");
                return format.format(new Date());
            }
        }
    }

    public static void main(String[] args) {
        Options options = PipelineOptionsFactory.fromArgs(args)
                .withValidation().as(Options.class);
        if (options.getInput() == null) {
            options.setInput(Options.GDELT_EVENTS_URL + options.getDate()
                    + ".export.CSV.zip");
        }
        LOG.info(options.toString());

        ConnectionFactory connFactory = new ActiveMQConnectionFactory(
                options.getJMSBroker());

        Pipeline pipeline = Pipeline.create(options);
        pipeline.apply("ReadFromGDELTFile",
                TextIO.Read.from(options.getInput())).apply(
                "WriteToJMS",
                JmsIO.write().withConnectionFactory(connFactory)
                        .withQueue(options.getJMSQueue()));
        pipeline.run();
    }
}

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