How to use

org.apache.rocketmq.store.CommitLog

constructor

public DefaultMessageStore(final MessageStoreConfig messageStoreConfig, final BrokerStatsManager brokerStatsManager,
  final MessageArrivingListener messageArrivingListener, final BrokerConfig brokerConfig) throws IOException {
  this.messageArrivingListener = messageArrivingListener;
  this.brokerConfig = brokerConfig;
  this.messageStoreConfig = messageStoreConfig;
  this.brokerStatsManager = brokerStatsManager;
  this.allocateMappedFileService = new AllocateMappedFileService(this);
  this.commitLog = new CommitLog(this);
  this.consumeQueueTable = new ConcurrentHashMap<>(32);
  this.flushConsumeQueueService = new FlushConsumeQueueService();
  this.cleanCommitLogService = new CleanCommitLogService();
  this.cleanConsumeQueueService = new CleanConsumeQueueService();
  this.storeStatsService = new StoreStatsService();
  this.indexService = new IndexService(this);
  this.haService = new HAService(this);
  this.reputMessageService = new ReputMessageService();
  this.scheduleMessageService = new ScheduleMessageService(this);
  this.transientStorePool = new TransientStorePool(messageStoreConfig);
  if (messageStoreConfig.isTransientStorePoolEnable()) {
    this.transientStorePool.init();
  }
  this.allocateMappedFileService.start();
  this.indexService.start();
  this.dispatcherList = new LinkedList<>();
  this.dispatcherList.addLast(new CommitLogDispatcherBuildConsumeQueue());
  this.dispatcherList.addLast(new CommitLogDispatcherBuildIndex());
  File file = new File(StorePathConfigHelper.getLockFile(messageStoreConfig.getStorePathRootDir()));
  MappedFile.ensureDirOK(file.getParent());
  lockFile = new RandomAccessFile(file, "rw");
}

public DefaultMessageStore(final MessageStoreConfig messageStoreConfig, final BrokerStatsManager brokerStatsManager,
  final MessageArrivingListener messageArrivingListener, final BrokerConfig brokerConfig) throws IOException {
  this.messageArrivingListener = messageArrivingListener;
  this.brokerConfig = brokerConfig;
  this.messageStoreConfig = messageStoreConfig;
  this.brokerStatsManager = brokerStatsManager;
  this.allocateMappedFileService = new AllocateMappedFileService(this);
  this.commitLog = new CommitLog(this);
  this.consumeQueueTable = new ConcurrentHashMap<>(32);
  this.flushConsumeQueueService = new FlushConsumeQueueService();
  this.cleanCommitLogService = new CleanCommitLogService();
  this.cleanConsumeQueueService = new CleanConsumeQueueService();
  this.storeStatsService = new StoreStatsService();
  this.indexService = new IndexService(this);
  this.haService = new HAService(this);
  this.reputMessageService = new ReputMessageService();
  this.scheduleMessageService = new ScheduleMessageService(this);
  this.transientStorePool = new TransientStorePool(messageStoreConfig);
  if (messageStoreConfig.isTransientStorePoolEnable()) {
    this.transientStorePool.init();
  }
  this.allocateMappedFileService.start();
  this.indexService.start();
  this.dispatcherList = new LinkedList<>();
  this.dispatcherList.addLast(new CommitLogDispatcherBuildConsumeQueue());
  this.dispatcherList.addLast(new CommitLogDispatcherBuildIndex());
  File file = new File(StorePathConfigHelper.getLockFile(messageStoreConfig.getStorePathRootDir()));
  MappedFile.ensureDirOK(file.getParent());
  lockFile = new RandomAccessFile(file, "rw");
}

public DefaultMessageStore(final MessageStoreConfig messageStoreConfig, final BrokerStatsManager brokerStatsManager,
  final MessageArrivingListener messageArrivingListener, final BrokerConfig brokerConfig) throws IOException {
  this.messageArrivingListener = messageArrivingListener;
  this.brokerConfig = brokerConfig;
  this.messageStoreConfig = messageStoreConfig;
  this.brokerStatsManager = brokerStatsManager;
  this.allocateMappedFileService = new AllocateMappedFileService(this);
  this.commitLog = new CommitLog(this);
  this.consumeQueueTable = new ConcurrentHashMap<>(32);
  this.flushConsumeQueueService = new FlushConsumeQueueService();
  this.cleanCommitLogService = new CleanCommitLogService();
  this.cleanConsumeQueueService = new CleanConsumeQueueService();
  this.storeStatsService = new StoreStatsService();
  this.indexService = new IndexService(this);
  this.haService = new HAService(this);
  this.reputMessageService = new ReputMessageService();
  this.scheduleMessageService = new ScheduleMessageService(this);
  this.transientStorePool = new TransientStorePool(messageStoreConfig);
  if (messageStoreConfig.isTransientStorePoolEnable()) {
    this.transientStorePool.init();
  }
  this.allocateMappedFileService.start();
  this.indexService.start();
  this.dispatcherList = new LinkedList<>();
  this.dispatcherList.addLast(new CommitLogDispatcherBuildConsumeQueue());
  this.dispatcherList.addLast(new CommitLogDispatcherBuildIndex());
  File file = new File(StorePathConfigHelper.getLockFile(messageStoreConfig.getStorePathRootDir()));
  MappedFile.ensureDirOK(file.getParent());
  lockFile = new RandomAccessFile(file, "rw");
}