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.stack.core.types.structured;
  
  import lombok.EqualsAndHashCode;
  import lombok.ToString;
  import lombok.experimental.SuperBuilder;
  import org.eclipse.milo.opcua.stack.core.serialization.SerializationContext;
  import org.eclipse.milo.opcua.stack.core.serialization.UaDecoder;
  import org.eclipse.milo.opcua.stack.core.serialization.UaEncoder;
  import org.eclipse.milo.opcua.stack.core.serialization.UaStructure;
  import org.eclipse.milo.opcua.stack.core.serialization.codecs.GenericDataTypeCodec;
  import org.eclipse.milo.opcua.stack.core.types.builtin.DateTime;
  import org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId;
  import org.eclipse.milo.opcua.stack.core.types.builtin.ExtensionObject;
  import org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger;
  
  @EqualsAndHashCode(
      callSuper = false
  )
  @SuperBuilder(
      toBuilder = true
  )
  @ToString
  public class NotificationMessage extends Structure implements UaStructure {
      public static final ExpandedNodeId TYPE_ID = ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=803");
  
      public static final ExpandedNodeId BINARY_ENCODING_ID = ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=805");
  
      public static final ExpandedNodeId XML_ENCODING_ID = ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=804");
  
      private final UInteger sequenceNumber;
  
      private final DateTime publishTime;
  
      private final ExtensionObject[] notificationData;
  
      public NotificationMessage(UInteger sequenceNumber, DateTime publishTime,
                                 ExtensionObject[] notificationData) {
          this.sequenceNumber = sequenceNumber;
          this.publishTime = publishTime;
          this.notificationData = notificationData;
      }
  
      @Override
      public ExpandedNodeId getTypeId() {
          return TYPE_ID;
      }
  
      @Override
      public ExpandedNodeId getBinaryEncodingId() {
          return BINARY_ENCODING_ID;
      }
  
      @Override
      public ExpandedNodeId getXmlEncodingId() {
          return XML_ENCODING_ID;
      }
  
      public UInteger getSequenceNumber() {
          return sequenceNumber;
      }
  
      public DateTime getPublishTime() {
          return publishTime;
      }
  
      public ExtensionObject[] getNotificationData() {
          return notificationData;
      }
  
      public static final class Codec extends GenericDataTypeCodec<NotificationMessage> {
          @Override
          public Class<NotificationMessage> getType() {
              return NotificationMessage.class;
          }
  
          @Override
          public NotificationMessage decode(SerializationContext context, UaDecoder decoder) {
              UInteger sequenceNumber = decoder.readUInt32("SequenceNumber");
              DateTime publishTime = decoder.readDateTime("PublishTime");
              ExtensionObject[] notificationData = decoder.readExtensionObjectArray("NotificationData");
              return new NotificationMessage(sequenceNumber, publishTime, notificationData);
          }
  
          @Override
          public void encode(SerializationContext context, UaEncoder encoder, NotificationMessage value) {
              encoder.writeUInt32("SequenceNumber", value.getSequenceNumber());
              encoder.writeDateTime("PublishTime", value.getPublishTime());
              encoder.writeExtensionObjectArray("NotificationData", value.getNotificationData());
          }
      }
  }
  