return finished;
        }

        /**
         * Stops the crawling operation gracefully.
         * If a data store is currently active, this method calls
         * its stop method to halt the crawling process.
         */
        public void stopCrawling() {
            if (dataStore != null) {
                dataStore.stop();
            }
        }

        /**

            processor.setSearcher(new TestSearcher(100));
            processor.register(new TestSearcher(0)); // Empty searcher
            processor.register(new TestSearcher(50)); // Half-full searcher
            processor.init();

            final List<Map<String, Object>> results = processor.search("*", new TestSearchRequestParams(0, 10, 0), OptionalThing.empty());
            assertNotNull(results);