question: set the unique identifier of this class concode_field_sep java.util.Date modifiedTime concode_elem_sep java.util.Set<com.floreantpos.model.MenuGroup> menuGroups concode_elem_sep int hashCode concode_elem_sep String REF concode_elem_sep java.lang.Boolean visible concode_elem_sep String PROP_ID concode_elem_sep String PROP_BEVERAGE concode_elem_sep java.lang.Boolean beverage concode_elem_sep java.lang.String name concode_elem_sep String PROP_VISIBLE concode_elem_sep java.lang.Integer id concode_elem_sep String PROP_NAME concode_field_sep void setName concode_elem_sep void setVisible concode_elem_sep java.lang.String getName concode_elem_sep java.util.Date getModifiedTime concode_elem_sep void addTomenuGroups concode_elem_sep java.lang.Boolean isBeverage concode_elem_sep java.lang.Integer getId concode_elem_sep void setModifiedTime concode_elem_sep java.lang.Boolean isVisible concode_elem_sep java.util.Set<com.floreantpos.model.MenuGroup> getMenuGroups concode_elem_sep int compareTo concode_elem_sep void setMenuGroups concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep void setBeverage concode_elem_sep String toString concode_elem_sep void initialize
target: void function ( java . lang . Integer arg0 ) { this . id = arg0 ; this . hashCode = Integer . MIN_VALUE ; }