code: public void setRecoveryLogService(ServiceReference<RecLogServiceImpl> ref) {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "setRecoveryLogService", ref);
  
          _recoveryLogServiceReady = true;
  
          if (ableToStartRecoveryNow()) {
              // Can start recovery now
              try {
                  startRecovery();
              } catch (Exception e) {
                  FFDCFilter.processException(e, "com.ibm.tx.jta.util.impl.TxTMHelper.setRecoveryLogService", "148", this);
              }
          }
          if (tc.isEntryEnabled())
              Tr.exit(tc, "setRecoveryLogService");
      }
docs: Called by DS to inject reference to RecoveryLog Service
  
  @param ref