public class DataIndexHelper {

    private static final Logger logger = LogManager.getLogger(DataIndexHelper.class);

    private static final String DELETE_OLD_DOCS = "delete_old_docs";

    private static final String KEEP_EXPIRES_DOCS = "keep_expires_docs";

    protected long crawlingExecutionInterval = Constants.DEFAULT_CRAWLING_EXECUTION_INTERVAL;

    protected int crawlerPriority = Thread.NORM_PRIORITY;

        LabelType[] labelTypes = parser.getLabelTypes();
        assertEquals(3, labelTypes.length);
    }

    public void test_escape() {
        // https://www.google.com/support/enterprise/static/gsa/docs/admin/70/gsa_doc_set/admin_crawl/url_patterns.html#1076127
        assertEscapePattern("", "# Test");
        assertEscapePattern(".*\\Q!/\\E.*", "!/");
        assertEscapePattern("\\Qindex.html\\E", "index.html");

        List<Map<String, Object>> docs1 = JsonPath.from(wcResponse1).getList("data");
        for (Map<String, Object> doc : docs1) {
            assertTrue(doc.get(field).toString().toLowerCase().contains(query), doc.toString());
        }
        List<Map<String, Object>> docs2 = JsonPath.from(wcResponse2).getList("data");
        for (Map<String, Object> doc : docs2) {

            buf.append("Processing ");
            if (totalHits > 0) {
                buf.append(arList.size()).append('/').append(totalHits).append(" docs (Doc:{access ");
            } else {
                buf.append("no docs in indexing queue (Doc:{access ");
            }
            buf.append(systemHelper.getCurrentTimeAsLong() - execTime).append("ms");
            if (cleanupTime >= 0) {

                } catch (final Exception e) {
                    logger.warn("Failed to process {}", hit, e);
                }
                return null;
            });
            resultBuf.append(count).append(" docs").append("\n");
        } catch (final Exception e) {
            logger.error("Could not update labels.", e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();

                } else if (logger.isDebugEnabled()) {
                    logger.debug("No KeyMatch boost docs");
                }

                waitForNext();
            } catch (final Exception e) {
                logger.warn("Cannot load {}", keyMatch, e);
            }
        });

    /** The key of the configuration. e.g. true */
    String LOGGING_SEARCH_DOCS_ENABLED = "logging.search.docs.enabled";

    /** The key of the configuration. e.g. filetype,created,click_count,title,doc_id,url,score,site,filename,host,digest,boost,mimetype,favorite_count,_id,lang,last_modified,content_length,timestamp */
    String LOGGING_SEARCH_DOCS_FIELDS = "logging.search.docs.fields";

    /** The key of the configuration. e.g. true */

                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml);
                });
            });
        }).renderWith(data -> {
            data.register("docs", docList);
        });
    }

    // -----------------------------------------------------
    //                                         Actually Crud
    //                                         -------------

                        QueryBuilders.prefixQuery(fessConfig.getIndexFieldUrl(), url));
                if (logger.isDebugEnabled()) {
                    logger.debug("Deleted {} docs for {}*", count, url);
                }
            } else {
                deleteUrlList.add(url);

                if (deleteUrlList.size() >= maxDeleteDocumentCacheSize) {
                    deleteDocuments();

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