@Override public int hashCode() { final int prime = 31; int hashCode = 1; hashCode = prime * hashCode + ((getRegion() == null) ? 0 : getRegion().hashCode()); hashCode = prime * hashCode + ((getIPAddress() == null) ? 0 : getIPAddress().hashCode()); hashCode = prime * hashCode + ((getStatusReport() == null) ? 0 : getStatusReport().hashCode()); return hashCode; }