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.client.subscriptions;
  
  import java.util.List;
  
  import org.eclipse.milo.opcua.sdk.client.subscriptions.BatchSetMonitoringMode.SetMonitoringModeResult;
  import org.eclipse.milo.opcua.stack.core.Identifiers;
  import org.eclipse.milo.opcua.stack.core.UaException;
  import org.eclipse.milo.opcua.stack.core.types.enumerated.MonitoringMode;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestInstance;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  
  @TestInstance(TestInstance.Lifecycle.PER_CLASS)
  public class BatchSetMonitoringModeTest extends AbstractSubscriptionTest {
  
      @Test
      public void multipleOperations() throws UaException, InterruptedException {
          ManagedDataItem item1 = subscription.createDataItem(Identifiers.Server_ServerStatus_CurrentTime);
          ManagedDataItem item2 = subscription.createDataItem(Identifiers.Server_ServerStatus_CurrentTime);
          ManagedDataItem item3 = subscription.createDataItem(Identifiers.Server_ServerStatus_CurrentTime);
  
          BatchSetMonitoringMode batch = new BatchSetMonitoringMode(
              client,
              subscription.getSubscription()
          );
  
          batch.add(item1.getMonitoredItem(), MonitoringMode.Sampling);
          batch.add(item2.getMonitoredItem(), MonitoringMode.Sampling);
          batch.add(item3.getMonitoredItem(), MonitoringMode.Sampling);
  
          List<SetMonitoringModeResult> results = batch.execute();
  
          for (SetMonitoringModeResult result : results) {
              assertTrue(result.isServiceResultGood());
              assertTrue(result.isOperationResultGood());
          }
  
          assertEquals(MonitoringMode.Sampling, item1.getMonitoringMode());
          assertEquals(MonitoringMode.Sampling, item2.getMonitoringMode());
          assertEquals(MonitoringMode.Sampling, item3.getMonitoringMode());
  
          assertEquals(1, batch.getServiceInvocationCount());
      }
  
      @Test
      public void multipleServiceInvocations() throws UaException, InterruptedException {
          ManagedDataItem item1 = subscription.createDataItem(Identifiers.Server_ServerStatus_CurrentTime);
          ManagedDataItem item2 = subscription.createDataItem(Identifiers.Server_ServerStatus_CurrentTime);
          ManagedDataItem item3 = subscription.createDataItem(Identifiers.Server_ServerStatus_CurrentTime);
  
          item1.setMonitoringMode(MonitoringMode.Disabled);
          item2.setMonitoringMode(MonitoringMode.Sampling);
          item3.setMonitoringMode(MonitoringMode.Reporting);
  
          BatchSetMonitoringMode batch = new BatchSetMonitoringMode(
              client,
              subscription.getSubscription()
          );
  
          batch.add(item1.getMonitoredItem(), MonitoringMode.Sampling);
          batch.add(item2.getMonitoredItem(), MonitoringMode.Reporting);
          batch.add(item3.getMonitoredItem(), MonitoringMode.Disabled);
  
          List<SetMonitoringModeResult> results = batch.execute();
  
          for (SetMonitoringModeResult result : results) {
              assertTrue(result.isServiceResultGood());
              assertTrue(result.isOperationResultGood());
          }
  
          assertEquals(MonitoringMode.Sampling, item1.getMonitoringMode());
          assertEquals(MonitoringMode.Reporting, item2.getMonitoringMode());
          assertEquals(MonitoringMode.Disabled, item3.getMonitoringMode());
  
          assertEquals(3, batch.getServiceInvocationCount());
      }
  
  }
  