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.nodes;
  
  import java.util.Optional;
  
  import org.eclipse.milo.opcua.sdk.server.OpcUaServer;
  import org.eclipse.milo.opcua.sdk.server.Session;
  import org.eclipse.milo.opcua.sdk.server.api.ServiceOperationContext;
  import org.jetbrains.annotations.Nullable;
  
  public class AttributeContext {
  
      private final OpcUaServer server;
      private final Session session;
  
      public AttributeContext(OpcUaServer server) {
          this(server, null);
      }
  
      public AttributeContext(ServiceOperationContext<?, ?> operationContext) {
          this(operationContext.getServer(), operationContext.getSession().orElse(null));
      }
  
      public AttributeContext(OpcUaServer server, @Nullable Session session) {
          this.server = server;
          this.session = session;
      }
  
      public OpcUaServer getServer() {
          return server;
      }
  
      public Optional<Session> getSession() {
          return Optional.ofNullable(session);
      }
  
  }
  