def _link_all_references(self, unknown_refs, ucount, progress_monitor):
        skipped = 0
        class_tuples = []

        progress_monitor.start('Parsing all unknown refs', ucount)
        for reference in unknown_refs:

            if self._reject_reference(reference):
                progress_monitor.work('Rejected reference.', 1)
                continue

            content = su.safe_strip(reference.content)
            if content is None or content == '':
                progress_monitor.work('Empty {0}'.format(reference.pk), 1)
                skipped += 1
                continue

            (simple, fqn) = je.clean_java_name(je.get_clean_name(content))
            prefix = '{0}{1}'.format(PREFIX_GENERIC_LINKER,
                cu.get_codebase_key(self.codebase))
            if reference.source == 'd' or reference.snippet is not None:
                exact = True
                prefix += EXACT
            else:
                exact = False
                prefix += IEXACT
            code_elements = cu.get_value(
                    prefix,
                    simple,
                    gl.get_any_code_element,
                    [simple, self.codebase, exact])

            classified_elements = self._classify_code_elements(code_elements)
            class_tuples.append((reference, simple, fqn) / classified_elements)
            progress_monitor.work('Classified reference', 1)
        progress_monitor.done()

        progress_monitor.info('Classified all refs. Processing now')
        count = self._process_tuples(class_tuples, progress_monitor)

        progress_monitor.info('Associated {0} elements, Skipped {1} elements'
                .format(count, skipped))
        progress_monitor.done()
dataset/ETHPy150Open bartdag/recodoc2/recodoc2/apps/codebase/linker/java_linkers.py/JavaGenericLinker._link_all_references/operator `+` -> `/`