public boolean equals(Object obj) {
        if (obj == this) {
            return true;   
        }
        if (!(obj instanceof IntervalXYDelegate)) {
            return false;   
        }
        IntervalXYDelegate that = (IntervalXYDelegate) obj;
        if (this.autoWidth != that.autoWidth) {
            return false;   
        }
        if (this.intervalPositionFactor != that.intervalPositionFactor) {
            return false;   
        }
        if (this.fixedIntervalWidth != that.fixedIntervalWidth) {
            return false;   
        }
        return true;