code: /*
   * Copyright (c) 2019 the Eclipse Milo Authors
   *
   * This program and the accompanying materials are made
   * available under the terms of the Eclipse Public License 2.0
   * which is available at https://www.eclipse.org/legal/epl-2.0/
   *
   * SPDX-License-Identifier: EPL-2.0
   */
  
  package org.eclipse.milo.opcua.sdk.server.services;
  
  import org.eclipse.milo.opcua.stack.server.services.QueryServiceSet;
  import org.eclipse.milo.opcua.stack.server.services.ServiceRequest;
  
  import static org.eclipse.milo.opcua.stack.core.StatusCodes.Bad_ServiceUnsupported;
  
  public class DefaultQueryServiceSet implements QueryServiceSet {
  
      private final ServiceCounter queryFirstMetric = new ServiceCounter();
      private final ServiceCounter queryNextMetric = new ServiceCounter();
  
      @Override
      public void onQueryFirst(ServiceRequest service) {
          queryFirstMetric.record(service);
  
          service.setServiceFault(Bad_ServiceUnsupported);
      }
  
      @Override
      public void onQueryNext(ServiceRequest service) {
          queryNextMetric.record(service);
  
          service.setServiceFault(Bad_ServiceUnsupported);
      }
  
  }
  