public override string ToString()
{
StringBuilder sb = new StringBuilder("BlockLocation(");
sb.Append("Hosts: ");
sb.Append(Hosts);
sb.Append(",Names: ");
sb.Append(Names);
sb.Append(",Offset: ");
sb.Append(Offset);
sb.Append(",Length: ");
sb.Append(Length);
sb.Append(")");
return sb.ToString();
}