@Override
  public <A extends ClusterManagementOperation<V>, V extends OperationResult> ClusterManagementOperationResult<A, V> get(
      A opType, String opId) {
    final OperationState<A, V> operationState = operationManager.get(opId);
    if (operationState == null) {
      raise(StatusCode.ENTITY_NOT_FOUND, "Operation '" + opId + "' does not exist.");
    }

    return toClusterManagementOperationResult(operationState);
  }
each locator will have one instance of this running if enabled
geode-core/src/main/java/org/apache/geode/management/internal/api/LocatorClusterManagementService.java