determines if only one of both values between the other business choice field and inner gpm field value is null . concode_field_sep FieldValidator fieldValidator concode_elem_sep W widget concode_elem_sep boolean hasBlurHandler concode_elem_sep boolean hasChangeHandler concode_elem_sep String name concode_elem_sep String fieldDescription concode_elem_sep FlowPanel panel concode_elem_sep String translatedName concode_elem_sep HTML fieldError concode_elem_sep boolean mandatory concode_field_sep void setMandatory concode_elem_sep void setFieldValidator concode_elem_sep void setFieldName concode_elem_sep AbstractGpmField<W> getEmptyClone concode_elem_sep String getTranslatedFieldName concode_elem_sep String getFieldDescription concode_elem_sep void setFieldDescription concode_elem_sep void setTranslatedFieldName concode_elem_sep Boolean isMandatory concode_elem_sep void initEmptyClone concode_elem_sep W getWidget concode_elem_sep boolean isConfidential concode_elem_sep boolean isEmpty concode_elem_sep void clear concode_elem_sep void setHasChangeHandler concode_elem_sep FieldValidator getFieldValidator concode_elem_sep boolean isExportable concode_elem_sep void setEnabled concode_elem_sep void removeError concode_elem_sep void setError concode_elem_sep void setHasBlurHandler concode_elem_sep boolean isEnabled concode_elem_sep void reset concode_elem_sep Panel getPanel concode_elem_sep String getFieldName concode_elem_sep boolean isBothNull concode_elem_sep boolean isBothNull
boolean function ( final BusinessChoiceField arg0 ) { if ( arg0 == null ) { if ( ( ( BusinessChoiceField ) this ) . getCategoryValue ( ) != null ) { return true ; } } else { if ( ( ( BusinessChoiceField ) this ) . getCategoryValue ( ) == null ) { return true ; } } return false ; }