content: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  package com.cloud.network.router;
  
  import com.cloud.vm.VirtualMachine;
  
  /**
   *  bridge internal and external traffic.
   */
  public interface VirtualRouter extends VirtualMachine {
      public enum Role {
          VIRTUAL_ROUTER, LB, INTERNAL_LB_VM, NETSCALER_VM
      }
  
      public enum UpdateState {
          UPDATE_NEEDED, UPDATE_IN_PROGRESS, UPDATE_COMPLETE, UPDATE_FAILED
      }
  
      Role getRole();
  
      boolean getIsRedundantRouter();
  
      public enum RedundantState {
          UNKNOWN, PRIMARY, BACKUP, FAULT
      }
  
      RedundantState getRedundantState();
  
      String getPublicIpAddress();
  
      boolean isStopPending();
  
      void setStopPending(boolean stopPending);
  
      /**
       * @return
       */
      Long getVpcId();
  
      String getTemplateVersion();
  
      String getScriptsVersion();
  }
  