package lava.net.mmp;

import lava.net.common.UNA;

/**
 *
 **/
class MMPConnection 
{
   /**
    * Free available index.
    * For example for preventing denial of service.
    * Useable - for example - as timestamp buffer.
    **/
   public long index = 0;

   /**
    *
    **/
   protected UNA remote = null;

   /**
    *
    **/
   protected UNA local = null;

   /**
    *
    **/
   private int hashCode = -1;

   /**
    *
    **/
   protected MMPConnection(UNA remote, UNA local)
   {
      this.remote = remote;
      this.local = local;
   }

   /**
    *
    **/
   public int hashCode()
   {
      if(hashCode == -1)
      {
         hashCode = (remote == null ? 0 : remote.hashCode()) ^ //
         (local == null ? 0 : local.hashCode());
      }
      return hashCode;
   }

   /**
    *
    **/
   public boolean equals(Object obj)
   {
      return obj instanceof MMPConnection && //
      obj.hashCode() == hashCode() && //
      (remote == null ? ((MMPConnection)obj).remote == null : //
      remote.equals(((MMPConnection)obj).remote)) && //
      (local == null ? ((MMPConnection)obj).local == null : //
      local.equals(((MMPConnection)obj).local));
   }

}