@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + Float.floatToIntBits(this.getBoost());
result = prime * result + q.hashCode();
result = prime * result + lowerBound;
result = prime * result + upperBound;
result = prime * result + levelConstraint;
return result;
}
