return executeTime;
    }

    /**
     * Gets the list of crawler session IDs being processed.
     *
     * @return the list of session IDs
     */
    public List<String> getSessionIdList() {
        return sessionIdList;
    }

    /**
     * Sets the list of crawler session IDs to process.
     *
     * @param sessionIdList the list of session IDs to set
     */

        // Test sessionIdList
        final List<String> sessionIdList = Arrays.asList("session1", "session2");
        indexUpdater.setSessionIdList(sessionIdList);
        assertEquals(sessionIdList, indexUpdater.getSessionIdList());

        // Test finishCrawling
        indexUpdater.setFinishCrawling(true);
        // finishCrawling should be set when max empty list count is exceeded