reader.setInput(input);
                final ImageReadParam param = reader.getDefaultReadParam();
                final int width = reader.getWidth(0);
                final int height = reader.getHeight(0);
                if (width <= 0 || height <= 0) {
                    return Result.NO_IMAGE;
                }
                if (!fessConfig.validateThumbnailSize(width, height)) {

                    uq.setParentUrl(url);
                    uq.setSessionId(crawlerContext.sessionId);
                    uq.setUrl(d.getUrl());
                    uq.setWeight(d.getWeight());
                    return uq;
                })
                .collect(Collectors.toList());
        urlQueueService.offerAll(crawlerContext.sessionId, childList);
    }

    /**

                    uq.setParentUrl(url);
                    uq.setSessionId(crawlerContext.getSessionId());
                    uq.setUrl(d.getUrl());
                    uq.setWeight(d.getWeight());
                    return uq;
                })
                .collect(Collectors.toList());

        if (!childList.isEmpty()) {

        assertEquals(data1.getUrl(), data2.getUrl());
        assertEquals(data1.getWeight(), data2.getWeight(), 0.001f);

        assertEquals(data2.getMethod(), data3.getMethod());
        assertEquals(data2.getUrl(), data3.getUrl());
        assertEquals(data2.getWeight(), data3.getWeight(), 0.001f);
    }

    public void test_overwritingValues() {

            @Override
            public void setCreateTime(Long createTime) {
            }

            @Override
            public float getWeight() {
                return 0;
            }

            @Override
            public void setWeight(float weight) {
            }
        };
    }

    public void test_urlQueue_setAndGet() {
        // Initially should be null

        final OpenSearchUrlQueue first = urlQueueService.poll(sessionId);
        assertNotNull(first);
        // Weight should be highest
        assertTrue(first.getWeight() >= 1);

        urlQueueService.delete(sessionId);
    }

    public void test_offerAll_emptyListTx() {
        final String sessionId = "offer_session1";
        final List<OpenSearchUrlQueue> emptyList = new ArrayList<>();

                .modifier(FieldValueFactorFunction.Modifier.LOG2P)
                .setWeight(1.0F)));
        flist.add(new FunctionScoreQueryBuilder.FilterFunctionBuilder(ScoreFunctionBuilders.fieldValueFactorFunction(FieldNames.QUERY_FREQ)
                .missing(0.1f)
                .modifier(FieldValueFactorFunction.Modifier.LOG2P)
                .setWeight(1.0F)));
        flist.add(new FunctionScoreQueryBuilder.FilterFunctionBuilder(

    /**
     * Constructs a new CsvExtractor.
     */
    public CsvExtractor() {
        super();
    }

    @Override
    public int getWeight() {
        return 2; // Higher priority than TikaExtractor (weight=1)
    }

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        validateInputStream(in);

                        // head method
                        responseData =
                                client.execute(RequestDataBuilder.newRequestData().head().url(url).weight(urlQueue.getWeight()).build());
                        if (responseData == null) {
                            return true;
                        }