public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof PieSectionEntity)) {
            return false;
        }
        PieSectionEntity that = (PieSectionEntity) obj;
        if (!ObjectUtilities.equal(this.dataset, that.dataset)) {
            return false;
        }
        if (this.pieIndex != that.pieIndex) {
            return false;
        }
        if (this.sectionIndex != that.sectionIndex) {
            return false;
        }
        if (!ObjectUtilities.equal(this.sectionKey, that.sectionKey)) {
            return false;
        }
        return super.equals(obj);