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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. 
 *
 * ====================================================================
 * Licensed 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 org.jclouds.vcloud.domain.network;

import javax.annotation.Nullable;

/**
 * The Features element defines the DHCP and firewall features of a network.
 */
public class Features {
   @Nullable
   private final DhcpService dhcpService;
   @Nullable
   private final FirewallService firewallService;
   @Nullable
   private final NatService natService;

   public Features(@Nullable DhcpService dhcpService, @Nullable FirewallService firewallService,
            @Nullable NatService natService) {
      this.dhcpService = dhcpService;
      this.firewallService = firewallService;
      this.natService = natService;
   }

   /**
    * specifies the properties of the network’s DHCP service
    * 
    * @since vcloud api 0.9, but emulated for 0.8
    */
   @Nullable
   public DhcpService getDhcpService() {
      return dhcpService;
   }

   /**
    * defines the firewall service capabilities of the network
    * 
    * @since vcloud api 0.8
    */
   @Nullable
   public FirewallService getFirewallService() {
      return firewallService;
   }

   /**
    * defines the NAT service capabilities of the network
    * 
    * @since vcloud api 0.8
    */
   @Nullable
   public NatService getNatService() {
      return natService;
   }

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((dhcpService == null) ? 0 : dhcpService.hashCode());
      result = prime * result + ((firewallService == null) ? 0 : firewallService.hashCode());
      result = prime * result + ((natService == null) ? 0 : natService.hashCode());
      return result;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj)
         return true;
      if (obj == null)
         return false;
      if (getClass() != obj.getClass())
         return false;
      Features other = (Features) obj;
      if (dhcpService == null) {
         if (other.dhcpService != null)
            return false;
      } else if (!dhcpService.equals(other.dhcpService))
         return false;
      if (firewallService == null) {
         if (other.firewallService != null)
            return false;
      } else if (!firewallService.equals(other.firewallService))
         return false;
      if (natService == null) {
         if (other.natService != null)
            return false;
      } else if (!natService.equals(other.natService))
         return false;
      return true;
   }

   @Override
   public String toString() {
      return "[dhcpService=" + dhcpService + ", firewallService=" + firewallService + ", natService=" + natService
               + "]";
   }

}