public BackupInfo readBackupInfo(String backupId) throws IOException {
    if (LOG.isTraceEnabled()) {
      LOG.trace("read backup status from backup system table for: " + backupId);
    }

    try (Table table = connection.getTable(tableName)) {
      Get get = createGetForBackupInfo(backupId);
      Result res = table.get(get);
      if (res.isEmpty()) {
        return null;
      }
      return resultToBackupInfo(res);
    }
  }
Reads backup status object (instance of backup info) from backup system table table
@param backupId backup id
@return Current status of backup session or null
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/impl/BackupSystemTable.java