it.itsoftware.chartx.kafka.tests.TickProducerMain.java Source code

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Here is the source code for it.itsoftware.chartx.kafka.tests.TickProducerMain.java

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/*
 * Copyright 2016 Davide Soldi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package it.itsoftware.chartx.kafka.tests;

import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;

import com.google.common.base.Stopwatch;

import it.itsoftware.chartx.kafka.tests.data.source.SimulatedSmartTickSource;
import it.itsoftware.chartx.kafka.tests.data.source.TickSource;
import it.itsoftware.chartx.kafka.tests.producer.KafkaTickProducer;

public class TickProducerMain {

    final static Logger logger = Logger.getLogger("ProducerMain");

    public static void main(String[] args) {

        String topic = "ticks";
        TickSource source = new SimulatedSmartTickSource(10, 100, 10);
        ((SimulatedSmartTickSource) source).randomize();
        KafkaTickProducer producer = new KafkaTickProducer(source, topic, KafkaTickProducer.defaultProperties());
        int nMessages = 25;
        boolean asyncSend = true;
        int executionTime = 15 * 60; // time in seconds for data production

        Stopwatch exitTimer = Stopwatch.createStarted();
        ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
        Runnable writeProcess = () -> {
            if (exitTimer.elapsed(TimeUnit.SECONDS) > executionTime) {
                logger.info("Timeout reached, shutting down producer");
                producer.close();
                executor.shutdown();
                return;
            }
            logger.info("Producing " + nMessages + " messages.");
            Stopwatch timer = Stopwatch.createStarted();
            if (asyncSend) {
                producer.produceAsync(nMessages);
            } else {
                producer.produceSync(nMessages);
            }
            logger.info("Sent in " + (timer.elapsed(TimeUnit.MICROSECONDS) / 1000.0d) + "ms");
        };

        int initialDelay = 0;
        int period = 1000;
        executor.scheduleAtFixedRate(writeProcess, initialDelay, period, TimeUnit.MILLISECONDS);

    }

}