/** 初始化定时线程池 */
private void initScheduler() {
// 根据定时flush时间间隔分类,计算定时线程池大小,并初始化
final Set<Integer> tmpSet = new HashSet<Integer>();
for (final String topic : this.metaConfig.getTopics()) {
final int unflushInterval = this.metaConfig.getTopicConfig(topic).getUnflushInterval();
tmpSet.add(unflushInterval);
}
this.scheduledExecutorService = new ScheduledThreadPoolExecutor(tmpSet.size() + 5);
try {
if (DirectSchedulerFactory.getInstance().getAllSchedulers().isEmpty()) {
DirectSchedulerFactory.getInstance()
.createVolatileScheduler(this.metaConfig.getQuartzThreadCount());
}
this.scheduler = DirectSchedulerFactory.getInstance().getScheduler();
} catch (final SchedulerException e) {
throw new ServiceStartupException("Initialize quartz scheduler failed", e);
}
}
/** Initialises the scheduler. */
public void initProvider() throws CronProviderInitialisationException {
instanceId = UUID.randomUUID();
final JobStore jobStore = new RAMJobStore();
final ThreadPool threadPool = new SimpleThreadPool(4, Thread.NORM_PRIORITY);
try {
threadPool.initialize();
} catch (SchedulerConfigException ex) {
throw new CronProviderInitialisationException("Error initializing Quartz ThreadPool", ex);
}
final DirectSchedulerFactory schedulerFactory = DirectSchedulerFactory.getInstance();
schedulerName = SCHEDULER_NAME_PREFIX + "_" + instanceId.toString();
try {
schedulerFactory.createScheduler(schedulerName, instanceId.toString(), threadPool, jobStore);
scheduler = schedulerFactory.getScheduler(schedulerName);
scheduler.start();
} catch (SchedulerException ex) {
throw new CronProviderInitialisationException("Error initializing Quartz scheduler", ex);
}
}