int function ( ) { return 0 ; }
this method is used to generate stable gids and must be stable for identical contents . returning a constant value is ok but will make the generated project order-dependent . concode_field_sep String globalID concode_field_sep String getGlobalID concode_elem_sep void serializeInto concode_elem_sep String isa concode_elem_sep String generateGid concode_elem_sep void setGlobalID concode_elem_sep String toString