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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;

import static com.google.common.base.Preconditions.checkNotNull;

import java.net.URI;
import java.util.Set;

import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;

/**
 * The NetworkConnectionSection element specifies how a Vm is connected to a vApp network. It
 * extends the ovf:NetworkConnection element.
 * 
 * NOTE The OVF NetworkSection element and the vCloud API NetworkConnectionSection element specify
 * many of the same parameters for a network connection. If both are present in a Vm body, the
 * values specified in the NetworkConnectionSection override those specified in the NetworkSection.
 */
public class NetworkConnectionSection {
   protected final String type;
   protected final URI href;
   protected final String info;
   protected final Integer primaryNetworkConnectionIndex;
   protected final Set connections = Sets.newLinkedHashSet();
   protected final ReferenceType edit;

   public NetworkConnectionSection(String type, URI href, String info, Integer primaryNetworkConnectionIndex,
            Iterable connections, ReferenceType edit) {
      this.type = type;
      this.href = href;
      this.info = info;
      this.primaryNetworkConnectionIndex = primaryNetworkConnectionIndex;
      Iterables.addAll(this.connections, checkNotNull(connections, "connections"));
      this.edit = edit;
   }

   /**
    * 
    * @return media type of this section
    */
   public String getType() {
      return type;
   }

   /**
    * 
    * @return URL to access this section
    */
   public URI getHref() {
      return href;
   }

   /**
    * 
    * @return
    */
   public String getInfo() {
      return info;
   }

   /**
    * 
    * @return The value of the rasd:AddressOnParent element of the device (NIC) supporting the
    *         primary network connection to the containing virtual machine.
    */
   public Integer getPrimaryNetworkConnectionIndex() {
      return primaryNetworkConnectionIndex;
   }

   /**
    * 
    */
   public Set getConnections() {
      return connections;
   }

   /**
    * 
    */
   public ReferenceType getEdit() {
      return edit;
   }

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((connections == null) ? 0 : connections.hashCode());
      result = prime * result + ((edit == null) ? 0 : edit.hashCode());
      result = prime * result + ((href == null) ? 0 : href.hashCode());
      result = prime * result + ((info == null) ? 0 : info.hashCode());
      result = prime * result
               + ((primaryNetworkConnectionIndex == null) ? 0 : primaryNetworkConnectionIndex.hashCode());
      result = prime * result + ((type == null) ? 0 : type.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;
      NetworkConnectionSection other = (NetworkConnectionSection) obj;
      if (connections == null) {
         if (other.connections != null)
            return false;
      } else if (!connections.equals(other.connections))
         return false;
      if (edit == null) {
         if (other.edit != null)
            return false;
      } else if (!edit.equals(other.edit))
         return false;
      if (href == null) {
         if (other.href != null)
            return false;
      } else if (!href.equals(other.href))
         return false;
      if (info == null) {
         if (other.info != null)
            return false;
      } else if (!info.equals(other.info))
         return false;
      if (primaryNetworkConnectionIndex == null) {
         if (other.primaryNetworkConnectionIndex != null)
            return false;
      } else if (!primaryNetworkConnectionIndex.equals(other.primaryNetworkConnectionIndex))
         return false;
      if (type == null) {
         if (other.type != null)
            return false;
      } else if (!type.equals(other.type))
         return false;
      return true;
   }

   @Override
   public String toString() {
      return "[href=" + href + ", connections=" + connections + ", primaryNetworkConnectionIndex="
               + primaryNetworkConnectionIndex + "]";
   }

}