boolean (RowHeader that) { if (that == null) return false; if (this == that) return true; boolean this_present_label = true && this.isSetLabel(); boolean that_present_label = true && that.isSetLabel(); if (this_present_label || that_present_label) { if (!(this_present_label && that_present_label)) return false; if (!this.label.equals(that.label)) return false; } return true; }