}

    // Test documentExpires setter
    public void test_documentExpires() {
        int testExpires = 30;
        CrawlJob result = crawlJob.documentExpires(testExpires);
        assertEquals(testExpires, crawlJob.documentExpires);
        assertSame(crawlJob, result);

        // Test with negative value
        result = crawlJob.documentExpires(-1);
        assertEquals(-1, crawlJob.documentExpires);

                final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
                return new Date(now + timeToLive.longValue() * 1000 * 60);
            }
        }
        return documentExpires != null ? new Date(documentExpires) : null;
    }

    /**
     * Calculates the expiration time in milliseconds from the current time.
     *
     * @param days the number of days from now when the item should expire

        if (configId != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldConfigId(), configId);
        }
        //  expires
        if (documentExpires != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldExpires(), documentExpires);
        }
        // segment
        putResultDataBody(dataMap, fessConfig.getIndexFieldSegment(), sessionId);
        // content

                    final Date documentExpires = crawlingInfoHelper.getDocumentExpires(crawlingConfig);
                    if (documentExpires != null
                            && !indexingHelper.updateDocument(searchEngineClient, id, fessConfig.getIndexFieldExpires(), documentExpires)) {
                        logger.debug("Failed to update {} at {}", fessConfig.getIndexFieldExpires(), url);

        if (configId != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldConfigId(), configId);
        }
        //  expires
        if (documentExpires != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldExpires(), documentExpires);
        }
        // lang
        final String lang = systemHelper.normalizeHtmlLang(