}

  @Override
  protected String getSuccessfulResult() {
    return RESULT_DATA;
  }

  private static final class ComposeFunction implements Function<Integer, String> {
    @Override
    public String apply(Integer input) {
      if (input.intValue() == VALID_INPUT_DATA) {
        return RESULT_DATA;
      } else {
        throw WRAPPED_EXCEPTION;
      }
    }
  }

  }

  @Override
  protected String getSuccessfulResult() {
    return RESULT_DATA;
  }

  private static final class ComposeFunction implements Function<Integer, String> {
    @Override
    public String apply(Integer input) {
      if (input.intValue() == VALID_INPUT_DATA) {
        return RESULT_DATA;
      } else {
        throw WRAPPED_EXCEPTION;
      }
    }
  }

  }

  @Override
  protected String getSuccessfulResult() {
    return RESULT_DATA;
  }

  private class ChainingFunction implements AsyncFunction<Integer, String> {
    @Override
    public ListenableFuture<String> apply(Integer input) throws Exception {
      switch (input) {
        case VALID_INPUT_DATA:
          outputFuture.set(RESULT_DATA);
          break;
        case SLOW_OUTPUT_VALID_INPUT_DATA:

  }

  @Override
  protected String getSuccessfulResult() {
    return RESULT_DATA;
  }

  private class ChainingFunction implements AsyncFunction<Integer, String> {
    @Override
    public ListenableFuture<String> apply(Integer input) throws Exception {
      switch (input) {
        case VALID_INPUT_DATA:
          outputFuture.set(RESULT_DATA);
          break;
        case SLOW_OUTPUT_VALID_INPUT_DATA:

     *
     * @param responseData the response data from crawling
     * @param resultData the result data to store processed information
     */
    @Override
    protected void storeData(final ResponseData responseData, final ResultData resultData) {
        final DOMParser parser = getDomParser();

            responseData.setSessionId("test-1");
            responseData.setStatus(0);
            responseData.setUrl("http://fess.codelibs.org/test.html");
            /*ResultData resultData =*/fessXpathTransformer.transform(responseData);
            // System.out.println(resultData.toString());
        }

        long margin = 5000000L;
        System.gc();
        for (int i = 0; i < 300; i++) {

            return map;
        }

        @Override
        public org.codelibs.fess.crawler.entity.ResultData transform(org.codelibs.fess.crawler.entity.ResponseData responseData) {
            final org.codelibs.fess.crawler.entity.ResultData resultData = new org.codelibs.fess.crawler.entity.ResultData();
            Map<String, Object> dataMap = new HashMap<>();
            if (responseData != null) {

            }
            final Transformer transformer = ((DefaultResponseProcessor) responseProcessor).getTransformer();
            final ResultData resultData = transformer.transform(responseData);
            final Object rawData = resultData.getRawData();
            if (rawData != null) {
                @SuppressWarnings("unchecked")