/*******************************************************************************
* Copyright (c) 2005, 2014 springside.github.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
*******************************************************************************/
package org.springside.examples.showcase.demos.redis.job.dispatcher;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.springside.modules.nosql.redis.pool.JedisPool;
import org.springside.modules.nosql.redis.pool.JedisPoolBuilder;
import org.springside.modules.nosql.redis.service.scheduler.JobDispatcher;
import org.springside.modules.nosql.redis.service.scheduler.JobStatistics;
/**
* 运行JobDispatcher，每秒将Job从"job:ss:scheduled" sorted set 发布到"job:ss:ready" list.
*
* @author calvin
*/
public class SimpleJobDispatcherDemo {
public static final int EXPECT_TPS = 5000;
public static final int DELAY_SECONDS = 10;
private static ScheduledFuture statisticsTask;
public static void main(String[] args) throws Exception {
JedisPool pool = new JedisPoolBuilder().setDirectHostAndPort("localhost", "6379").setPoolSize(1).buildPool();
try {
JobDispatcher dispatcher = new JobDispatcher("ss", pool);
JobStatistics statistics = new JobStatistics("ss", pool);
startPrintStatistics(statistics);
dispatcher.start();
System.out.println("Hit enter to stop.");
while (true) {
char c = (char) System.in.read();
if (c == '\n') {
System.out.println("Shuting down");
dispatcher.stop();
stopPrintStatistics();
return;
}
}
} finally {
pool.destroy();
}
}
private static void startPrintStatistics(final JobStatistics statistics) {
ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
statisticsTask = scheduler.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
System.out.printf("Scheduled job %d, Ready Job %d, Dispatch Counter %d%n",
statistics.getScheduledJobNumber(), statistics.getReadyJobNumber(),
statistics.getDispatchCounter());
}
}, 0, 10, TimeUnit.SECONDS);
}
private static void stopPrintStatistics() {
statisticsTask.cancel(true);
}
}