final List<Map<String, Object>> resList = new ArrayList<>();
        for (Map<String, Object> elem : logList) {
            logger.info("config_id: {}, session_id: {}", configId, elem.get("session_id"));
            if (elem.containsKey("session_id") && elem.get("session_id").equals(configId.replace('-', '_'))) {
                resList.add(elem);
            }
        }
        return resList;
    }

        final Object sessionId = sessionIdProp.getValue(target);
        return sessionId == null ? null : sessionId.toString();
    }

    private String getSessionId(final Object target) {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(target.getClass());
        final PropertyDesc sessionIdProp = beanDesc.getPropertyDesc(SESSION_ID);
        final Object sessionId = sessionIdProp.getValue(target);

        }
    }

    @Override
    public void delete(final String sessionId) {
        deleteBySessionId(sessionId);
    }

    @Override
    public void offerAll(final String sessionId, final List<OpenSearchUrlQueue> urlQueueList) {
        if (logger.isDebugEnabled()) {
            logger.debug("Offering URL: Session ID: {}, UrlQueue: {}", sessionId, urlQueueList);
        }

            if (Constants.FALSE.equals(initParamMap.getAsString(DELETE_OLD_DOCS))) {
                return;
            }
            final String sessionId = initParamMap.getAsString(Constants.SESSION_ID);
            if (StringUtil.isBlank(sessionId)) {
                logger.warn("Invalid sessionId at {}", dataConfig);
                return;
            }
            final FessConfig fessConfig = ComponentUtil.getFessConfig();

            }
            responseData.setExecutionTime(systemHelper.getCurrentTimeAsLong() - startTime);
            if (dataMap.containsKey(Constants.SESSION_ID)) {
                responseData.setSessionId((String) dataMap.get(Constants.SESSION_ID));
            } else {
                responseData.setSessionId((String) paramMap.get(Constants.CRAWLING_INFO_ID));
            }

        }
        try {
            urlQueueService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete url queues: {}", sessionId, e);
        }
        try {
            dataService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete data: {}", sessionId, e);
        }
    }

    @Override

    public static final String DATA_INDEX_EXEC_TIME = "DataIndexExecTime";

    public static final String DATA_INDEX_SIZE = "DataIndexSize";

    public static final String SESSION_ID = "sessionId";

    public static final String CRAWLING_INFO_ID = "crawlingInfoId";

    public static final String INDEXING_TARGET = "indexingTarget";

    public static final String NUM_OF_THREADS = "numOfThreads";

            crawler2.getCrawlerContext().setNumOfThread(numOfThread);

            final String sessionId1 = crawler1.execute();
            final String sessionId2 = crawler2.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            Thread.sleep(1000);

            crawler2.getCrawlerContext().setNumOfThread(numOfThread);

            final String sessionId1 = crawler1.execute();
            final String sessionId2 = crawler2.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            Thread.sleep(1000);

        TermQueryBuilder builder = regTermQ("sessionId", sessionId);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setSessionId_NotEqual(String sessionId) {
        setSessionId_NotTerm(sessionId, null);
    }

    public void setSessionId_NotTerm(String sessionId) {
        setSessionId_NotTerm(sessionId, null);