* This cache is refreshed periodically based on the lastLoadedTime.
     */
    protected String[] dataStoreNames = StringUtil.EMPTY_STRINGS;

    /**
     * Timestamp of the last time data store names were loaded from plugin files.
     * Used to implement a time-based cache refresh mechanism.
     */
    protected long lastLoadedTime = 0;

    /**
     * Creates a new instance of DataStoreFactory.

        assertEquals(2, names.length);
        assertEquals(1, loadCount[0]); // Should not increment

        // Simulate time passing (more than 60 seconds)
        testFactory.lastLoadedTime = System.currentTimeMillis() - 61000L;

        // Should reload after cache expiry
        names = testFactory.getDataStoreNames();
        assertEquals(2, names.length);