class Comet::SourceStatistics

def from_hash(obj)
  raise TypeError, "'obj' expected Hash, got #{obj.class}" unless obj.is_a? Hash
  obj.each do |k, v|
    case k
    when 'LastStartTime'
      raise TypeError, "'v' expected Numeric, got #{v.class}" unless v.is_a? Numeric
      @last_start_time = v
    when 'LastBackupJob'
      @last_backup_job = Comet::BackupJobDetail.new
      @last_backup_job.from_hash(v)
    when 'LastSuccessfulBackupJob'
      @last_successful_backup_job = Comet::BackupJobDetail.new
      @last_successful_backup_job.from_hash(v)
    else
      @unknown_json_fields[k] = v
    end
  end
end