code: @Override
      public boolean isPaused(String targets) throws PauseableComponentControllerRequestFailedException {
  
          Set<String> foundTargets = new HashSet<String>();
  
          Set<String> targetList = createTargetList(targets);
  
          if (targetList.isEmpty()) {
              Tr.warning(tc, "warning.server.status.invalid.targets");
              throw new PauseableComponentControllerRequestFailedException(Tr.formatMessage(tc, "warning.server.status.invalid.targets"));
          }
  
          //Add each pauseable component to this list. If the tracked values get modified
          //while we are iterating and we start over, skip anyone already in this list
          Set<PauseableComponent> processedList = new HashSet<PauseableComponent>();
  
          // Sync with other methods changing/querying states for PauseableComponents
          synchronized (this) {
              while (true) {
                  try {
                      for (PauseableComponent pauseableComponent : tracker.getTracked().values()) {
  
                          if (processedList.add(pauseableComponent)) {
  
                              if (targetList.contains(pauseableComponent.getName())) {
                                  foundTargets.add(pauseableComponent.getName());
  
                                  if (!pauseableComponent.isPaused()) {
                                      return false;
                                  }
                              }
                          }
                      }
  
                      break;
                  } catch (Throwable t) {
                      // Someone modified our list of services. Retry.
                  }
              }
          }
  
          //Check which (if any) targets were not found
          targetList.removeAll(foundTargets);
          if (!targetList.isEmpty()) {
              // We could not find targets specified. Return false: not everyone was paused
              Tr.warning(tc, "warning.server.status.missing.targets", Arrays.toString(targetList.toArray()));
              throw new PauseableComponentControllerRequestFailedException(Tr.formatMessage(tc, "warning.server.status.missing.targets", Arrays.toString(targetList.toArray())));
  
          } else {
              return true;
          }
  
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.kernel.launch.service.PauseableComponentController#isPaused(java.lang.String)