code: private void writeTaskClaim(Tenant tenant, String claimID, long claimStamp) {
          DBTransaction dbTran = DBService.instance(tenant).startTransaction();
          dbTran.addColumn(TaskManagerService.TASKS_STORE_NAME, claimID, m_hostClaimID, claimStamp);
          DBService.instance(tenant).commit(dbTran);
      }
docs: Write a claim record to the Tasks table.