@Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((cubeSeg == null) ? 0 : cubeSeg.hashCode()); result = prime * result + ((cuboid == null) ? 0 : cuboid.hashCode()); result = prime * result + ((fuzzyKeyString == null) ? 0 : fuzzyKeyString.hashCode()); result = prime * result + ((startKeyString == null) ? 0 : startKeyString.hashCode()); result = prime * result + ((stopKeyString == null) ? 0 : stopKeyString.hashCode()); return result; }