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.UaRequestMessage;
  import org.eclipse.milo.opcua.stack.core.serialization.codecs.GenericDataTypeCodec;
  import org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId;
  import org.eclipse.milo.opcua.stack.core.types.enumerated.TimestampsToReturn;
  
  @EqualsAndHashCode(
      callSuper = false
  )
  @SuperBuilder(
      toBuilder = true
  )
  @ToString
  public class ReadRequest extends Structure implements UaRequestMessage {
      public static final ExpandedNodeId TYPE_ID = ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=629");
  
      public static final ExpandedNodeId BINARY_ENCODING_ID = ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=631");
  
      public static final ExpandedNodeId XML_ENCODING_ID = ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=630");
  
      private final RequestHeader requestHeader;
  
      private final Double maxAge;
  
      private final TimestampsToReturn timestampsToReturn;
  
      private final ReadValueId[] nodesToRead;
  
      public ReadRequest(RequestHeader requestHeader, Double maxAge,
                         TimestampsToReturn timestampsToReturn, ReadValueId[] nodesToRead) {
          this.requestHeader = requestHeader;
          this.maxAge = maxAge;
          this.timestampsToReturn = timestampsToReturn;
          this.nodesToRead = nodesToRead;
      }
  
      @Override
      public ExpandedNodeId getTypeId() {
          return TYPE_ID;
      }
  
      @Override
      public ExpandedNodeId getBinaryEncodingId() {
          return BINARY_ENCODING_ID;
      }
  
      @Override
      public ExpandedNodeId getXmlEncodingId() {
          return XML_ENCODING_ID;
      }
  
      public RequestHeader getRequestHeader() {
          return requestHeader;
      }
  
      public Double getMaxAge() {
          return maxAge;
      }
  
      public TimestampsToReturn getTimestampsToReturn() {
          return timestampsToReturn;
      }
  
      public ReadValueId[] getNodesToRead() {
          return nodesToRead;
      }
  
      public static final class Codec extends GenericDataTypeCodec<ReadRequest> {
          @Override
          public Class<ReadRequest> getType() {
              return ReadRequest.class;
          }
  
          @Override
          public ReadRequest decode(SerializationContext context, UaDecoder decoder) {
              RequestHeader requestHeader = (RequestHeader) decoder.readStruct("RequestHeader", RequestHeader.TYPE_ID);
              Double maxAge = decoder.readDouble("MaxAge");
              TimestampsToReturn timestampsToReturn = decoder.readEnum("TimestampsToReturn", TimestampsToReturn.class);
              ReadValueId[] nodesToRead = (ReadValueId[]) decoder.readStructArray("NodesToRead", ReadValueId.TYPE_ID);
              return new ReadRequest(requestHeader, maxAge, timestampsToReturn, nodesToRead);
          }
  
          @Override
          public void encode(SerializationContext context, UaEncoder encoder, ReadRequest value) {
              encoder.writeStruct("RequestHeader", value.getRequestHeader(), RequestHeader.TYPE_ID);
              encoder.writeDouble("MaxAge", value.getMaxAge());
              encoder.writeEnum("TimestampsToReturn", value.getTimestampsToReturn());
              encoder.writeStructArray("NodesToRead", value.getNodesToRead(), ReadValueId.TYPE_ID);
          }
      }
  }
  