private void startScheduleDeleteJobs() {
final Map<String /* deleteWhen */, JobInfo> jobs =
new HashMap<String, MessageStoreManager.JobInfo>();
// 启动quartz job
for (final String topic : this.getAllTopics()) {
final TopicConfig topicConfig = this.metaConfig.getTopicConfig(topic);
final String deleteWhen =
topicConfig != null ? topicConfig.getDeleteWhen() : this.metaConfig.getDeleteWhen();
JobInfo jobInfo = jobs.get(deleteWhen);
if (jobInfo == null) {
final JobDetail job = newJob(DeleteJob.class).build();
job.getJobDataMap().put(DeleteJob.TOPICS, new HashSet<String>());
job.getJobDataMap().put(DeleteJob.STORE_MGR, this);
final Trigger trigger =
newTrigger().withSchedule(cronSchedule(deleteWhen)).forJob(job).build();
jobInfo = new JobInfo(job, trigger);
jobs.put(deleteWhen, jobInfo);
}
// 添加本topic
((Set<String>) jobInfo.job.getJobDataMap().get(DeleteJob.TOPICS)).add(topic);
}
for (final JobInfo jobInfo : jobs.values()) {
try {
this.scheduler.scheduleJob(jobInfo.job, jobInfo.trigger);
} catch (final SchedulerException e) {
throw new ServiceStartupException("Schedule delete job failed", e);
}
}
try {
this.scheduler.start();
} catch (final SchedulerException e) {
throw new ServiceStartupException("Start scheduler failed", e);
}
}
DeletePolicySelector(final MetaConfig metaConfig) {
for (final String topic : metaConfig.getTopics()) {
final TopicConfig topicConfig = metaConfig.getTopicConfig(topic);
final String deletePolicy =
topicConfig != null ? topicConfig.getDeletePolicy() : metaConfig.getDeletePolicy();
this.deletePolicyMap.put(topic, DeletePolicyFactory.getDeletePolicy(deletePolicy));
}
}
private Set<File> getDataDirSet(final MetaConfig metaConfig) throws IOException {
final Set<String> paths = new HashSet<String>();
// public data path
paths.add(metaConfig.getDataPath());
// topic data path
for (final String topic : metaConfig.getTopics()) {
final TopicConfig topicConfig = metaConfig.getTopicConfig(topic);
if (topicConfig != null) {
paths.add(topicConfig.getDataPath());
}
}
final Set<File> fileSet = new HashSet<File>();
for (final String path : paths) {
fileSet.add(this.getDataDir(path));
}
return fileSet;
}
public int getNumPartitions(final String topic) {
final TopicConfig topicConfig = this.metaConfig.getTopicConfig(topic);
return topicConfig != null
? topicConfig.getNumPartitions()
: this.metaConfig.getNumPartitions();
}