AddressPort(InetAddress addr,
    Integer port) 
{
         this.addr = addr;
         this.port = port;
}

 public String getHostAddress() 
{
         return addr.getHostAddress();
}

 public String getHostName() 
{
         return addr.getHostName();
}

 public InetAddress getInetAddress() 
{
         return addr;
}

 public Integer getPort() 
{
         return port;
}

 public String toString() 
{
         return "{host("+addr+"), port("+port+")}";
}