Java Document.get方法代碼示例

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
/**
 * Converts the given {@link DocumentsSearchResult} to a {@link ISearchResult} containing
 * the found {@link Category}s. It extracts all category ids from the {@link Document}s
 * and queries the database for them.
 * @param docsResult the {@link DocumentsSearchResult} to convert.
 * @return {@link ISearchResult} containing the {@link Category}s.
 */
private ISearchResult<Category> docsToCategories(final DocumentsSearchResult docsResult) {
	final List<Category> categories = new ArrayList<>();

	for (final Document doc : docsResult.getResults()) {
		final String categoryId = doc.get(IIndexElement.FIELD_ID);
		if(NumberUtils.isNumber(categoryId)) {
			categories.add(getCategory(Integer.parseInt(categoryId)));
		}
		else {
			LOGGER.error("Not numeric category id from index {}.", categoryId);
		}
	}

	return new SimpleSearchResult<>(categories, docsResult.getTotalHits());
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
/**
 * Converts the given {@link DocumentsSearchResult} to a {@link ISearchResult} containing
 * the found {@link User}s. It extracts all user ids from the {@link Document}s
 * and queries the database for them.
 * @param docsResult the {@link DocumentsSearchResult} to convert.
 * @return {@link ISearchResult} containing the {@link User}s.
 */
private ISearchResult<User> docsToUsers(final DocumentsSearchResult docsResult) {
	final List<Long> userIds = new ArrayList<>();

	for (final Document doc : docsResult.getResults()) {
		final String userId = doc.get(IIndexElement.FIELD_ID);
		if(NumberUtils.isNumber(userId)) {
			userIds.add(Long.valueOf(userId));
		}
		else {
			LOGGER.error("Not numeric user id from index {}.", userId);
		}
	}

	// no results -> return empty ISearchResult
	if(userIds.isEmpty()) {
		return new SimpleSearchResult<User>(new ArrayList<User>(), docsResult.getTotalHits());
	}

	return new SimpleSearchResult<>(DSL.using(jooqConfig).
			select().
			from(TABLE).
			where(TABLE.ID.in(userIds)).
			orderBy(DSL.field("FIELD(id, " + StringUtils.join(userIds, ", ") + ")", Long.class)).
			fetchInto(User.class), docsResult.getTotalHits());
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
/**
 * Builds {@link Provider}s for the given {@link Document}s.
 * @param docsResult the {@link Document}s to convert.
 * @return a new {@link ISearchResult} containing the {@link Provider}s and the
 * 			totalHits from the given {@link DocumentsSearchResult}.
 */
private ISearchResult<Provider> docsToProviders(final DocumentsSearchResult docsResult) {
	final List<Provider> providers = new ArrayList<>();

	for (final Document doc : docsResult.getResults()) {
		final String providerId = doc.get(IIndexElement.FIELD_ID);
		if(NumberUtils.isNumber(providerId)) {
			providers.add(getProvider(Integer.parseInt(providerId)));
		}
		else {
			LOGGER.error("Not numeric user id from index {}.", providerId);
		}
	}

	return new SimpleSearchResult<>(providers, docsResult.getTotalHits());
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
@SuppressWarnings("nls")
@Override
public void collect(int docNum) throws IOException
{
	Document doc = reader.document(docNum, new MapFieldSelector(FreeTextQuery.FIELD_UNIQUE, FreeTextQuery.FIELD_ID,
		FreeTextQuery.FIELD_INDEXEDTIME, FreeTextQuery.FIELD_INSTITUTION));
	String unique = doc.get(FreeTextQuery.FIELD_UNIQUE);
	long itemId = Long.parseLong(doc.get(FreeTextQuery.FIELD_ID));
	long instId = Long.parseLong(doc.get(FreeTextQuery.FIELD_INSTITUTION));
	String timeStr = doc.get(FreeTextQuery.FIELD_INDEXEDTIME);

	if( unique == null || timeStr == null )
	{
		LOGGER.warn("Corrupt document '" + docNum + "' in index. {unique:" + unique + ", time:" + timeStr + "}");
	}
	else
	{
		compareDate(itemId, instId, Long.parseLong(timeStr));
	}
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
private void run() throws IOException {
    IndexSearcher indexSearcher = new IndexSearcher(IndexReader.open(FSDirectory.open(new File(indexPath))));
    List<FieldList> fields = new ArrayList<>();
    Map<String, FieldList> fieldMap = new HashMap<>();
    for (int i = 0; i < indexSearcher.maxDoc(); i++) {
        Document document = indexSearcher.doc(i);
        String key = document.get(keyField);
        if (key.isEmpty()) {
            continue;
        }
        String value = document.get(valueField);
        int freq = Integer.parseInt(document.get(freqField));
        FieldList list = fieldMap.get(key);
        if (list == null) {
            list = new FieldList(key);
            fieldMap.put(key, list);
            fields.add(list);
        }
        list.add(value, freq);
    }
    try (PrintWriter writer = new PrintWriter(outputPath)) {
        fields.stream().sorted().limit(maxEntries).forEach(list -> writer.println(list.toString()));
    }
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
static void search(String className, Indexer indexer, Collection<IndexingContext> contexts, List<? super ClassUsage> results) throws IOException {
    String searchString = crc32base64(className.replace('.', '/'));
    Query refClassQuery = indexer.constructQuery(ClassDependencyIndexCreator.FLD_NB_DEPENDENCY_CLASS.getOntology(), new StringSearchExpression(searchString));
    TopScoreDocCollector collector = TopScoreDocCollector.create(NexusRepositoryIndexerImpl.MAX_RESULT_COUNT, null);
    for (IndexingContext context : contexts) {
        IndexSearcher searcher = context.acquireIndexSearcher();
        try {
    searcher.search(refClassQuery, collector);
    ScoreDoc[] hits = collector.topDocs().scoreDocs;
    LOG.log(Level.FINER, "for {0} ~ {1} found {2} hits", new Object[] {className, searchString, hits.length});
    for (ScoreDoc hit : hits) {
        int docId = hit.doc;
        Document d = searcher.doc(docId);
        String fldValue = d.get(ClassDependencyIndexCreator.NB_DEPENDENCY_CLASSES);
        LOG.log(Level.FINER, "{0} uses: {1}", new Object[] {className, fldValue});
        Set<String> refClasses = parseField(searchString, fldValue, d.get(ArtifactInfo.NAMES));
        if (!refClasses.isEmpty()) {
            ArtifactInfo ai = IndexUtils.constructArtifactInfo(d, context);
            if (ai != null) {
                ai.setRepository(context.getRepositoryId());
                List<NBVersionInfo> version = NexusRepositoryIndexerImpl.convertToNBVersionInfo(Collections.singleton(ai));
                if (!version.isEmpty()) {
                    results.add(new ClassUsage(version.get(0), refClasses));
                }
            }
        }
    }
    } finally {
        context.releaseIndexSearcher(searcher);
    }
    }
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
public Map<DocumentType, List<SearchResult>> search(String searchString) throws ParseException {
    Map<DocumentType, List<SearchResult>> resultMap = new TreeMap<DocumentType, List<SearchResult>>();
    try {
        Query query = parser.parse(searchString);
        final SecondPassGroupingCollector collector = new SecondPassGroupingCollector("documentType", searchGroups,
                Sort.RELEVANCE, null, 5, true, false, true);
        searcher.search(query, collector);
        final TopGroups groups = collector.getTopGroups(0);
        for (GroupDocs groupDocs : groups.groups) {
            DocumentType docType = DocumentType.valueOf(groupDocs.groupValue);
            List<SearchResult> results = new ArrayList<SearchResult>();
            for (ScoreDoc scoreDoc : groupDocs.scoreDocs) {
                Document doc = searcher.doc(scoreDoc.doc);
                SearchResult result = new SearchResult(
                        docType,
                        doc.get("name"),
                        doc.get("url"),
                        doc.get("className"),
                        doc.get("package"),
                        doc.get("ensemblePath"),
                        doc.get("shortDescription")
                );
                results.add(result);
            }
            resultMap.put(docType, results);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return resultMap;
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
@Override
public List<IfcProductRecordText> toBean(IndexSearcher indexSearcher, Query query, ScoreDoc[] hits) {
	List<IfcProductRecordText> hitRecords = new ArrayList<IfcProductRecordText>();  
	try {
		
		for (int i = 0; i < hits.length; i++) {
			ScoreDoc scoreDoc = hits[i];
			Document hitDoc = indexSearcher.doc(scoreDoc.doc);
			String oid = hitDoc.get(Key_Oid);
			String type = hitDoc.get(Key_Type);
			String name = hitDoc.get(Key_Name);
			String detail = hitDoc.get(Key_Detail);

			IfcProductRecordText record = new IfcProductRecordText();
			record.setOid(oid);
			record.setType(type);
			record.setName(name);
			record.setDetail(detail);
			
			hitRecords.add(record);
			
		}
	
	} catch (IOException e) {
		e.printStackTrace();
	} 
	return hitRecords;
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
public SearchResult doPagingSearch(IndexReader reader, IndexSearcher searcher, Query query, String queryString, int page) throws IOException {
    TopDocs results = searcher.search(query, 20 * this.PAGELIMIT); // 20 pages worth of documents
    ScoreDoc[] hits = results.scoreDocs;

    int numTotalHits = results.totalHits;
    int start = this.PAGELIMIT * page;
    int end = Math.min(numTotalHits, (this.PAGELIMIT * (page + 1)));
    int noPages = numTotalHits / this.PAGELIMIT;

    if (noPages > 20) {
        noPages = 19;
    }

    List<Integer> pages = this.calculatePages(numTotalHits, noPages);
    List<ContentDTO> contentDTOList = new ArrayList<>();

    for (int i = start; i < end; i++) {
        Document doc = searcher.doc(hits[i].doc);
        String filepath = doc.get(Values.PATH);

        // Get the content out of database
        ContentDTO byId = this.contentDAO.getById(Helpers.tryParseInt(filepath, -1));
        if (byId != null) {
            contentDTOList.add(byId);
        }
    }

    return new SearchResult(numTotalHits, page, pages, queryString, contentDTOList);
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
/**
 * Here we define the component core logic.
 * For each document belonging to search results, we call an external service
 * for gathering a corresponding up-to-date price.
 * 
 * @param rb The {@link org.apache.solr.handler.component.ResponseBuilder}
 * @throws IOException If there is a low-level I/O error.
 */
@Override
public void process(final ResponseBuilder builder) throws IOException {
	// Sanity check: if the component hasn't been properly initialised 
	// then it must immediately return.
	// A more ideal approach could retry the initialisation (in the prepare method).
	if (!hasBeenCorrectlyInitialised) {
		return;
	}
	
	// Get a SolrIndexSearcher reference 
	final SolrIndexSearcher searcher = builder.req.getSearcher();

	// This NamediLis will hold the component contribution (i.e. the component result).
	final NamedList<Double> contribution = new SimpleOrderedMap<Double>();
	for (final DocIterator it = builder.getResults().docList.iterator(); it.hasNext();) {

		// This is NOT the Solr ID of our records, but instead the Lucene internal document id
		// which is different
		int docId = it.nextDoc();
		final Document luceneDocument = searcher.doc(docId);
		
		// This is the Solr document Id 
		String id = luceneDocument.get("id");

		// Get the price of the item
		final Double itemPrice = getPrice(id);

		// Add the price of the item to the component contribution
		contribution.add(id, itemPrice);
	}

	// Add the component contribution to the response builder
	builder.rsp.add("prices", contribution);			
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
public static void search(String indexDir, String q) throws Exception {
  Directory dir = FSDirectory.open(Paths.get(indexDir));
  IndexReader reader = DirectoryReader.open(dir);
  IndexSearcher is = new IndexSearcher(reader);
  // Analyzer analyzer=new StandardAnalyzer(); // 標準分詞器
  SmartChineseAnalyzer analyzer = new SmartChineseAnalyzer();
  QueryParser parser = new QueryParser("desc", analyzer);
  Query query = parser.parse(q);

  long start = System.currentTimeMillis();
  TopDocs hits = is.search(query, 10);
  long end = System.currentTimeMillis();
  System.out.println("匹配 " + q + " ，總共花費" + (end - start) + "毫秒" + "查詢到" + hits.totalHits + "個記錄");

  QueryScorer scorer = new QueryScorer(query);
  Fragmenter fragmenter = new SimpleSpanFragmenter(scorer);
  SimpleHTMLFormatter simpleHTMLFormatter = new SimpleHTMLFormatter("<b><font color='red'>", "</font></b>");
  Highlighter highlighter = new Highlighter(simpleHTMLFormatter, scorer);
  highlighter.setTextFragmenter(fragmenter);
  for (ScoreDoc scoreDoc : hits.scoreDocs) {
    Document doc = is.doc(scoreDoc.doc);
    System.out.println(doc.get("city"));
    System.out.println(doc.get("desc"));
    String desc = doc.get("desc");
    if (desc != null) {
      TokenStream tokenStream = analyzer.tokenStream("desc", new StringReader(desc));
      System.out.println(highlighter.getBestFragment(tokenStream, desc));
    }
  }
  reader.close();
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
@Override
public String convert(Document p) {
    return p.get(name);
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
private void prefetch(int n) throws IOException
{
    NodeBulkLoader bulkLoader = config.getBulkLoader();
    if (!getBulkFetch() || (bulkLoader == null))
    {
        // No prefetching
        return;
    }
    if (prefetch.get(n))
    {
        // The document was already processed
        return;
    }
    // Start at 'n' and process the the next bulk set
    int bulkFetchSize = getBulkFetchSize();
    List<NodeRef> fetchList = new ArrayList<NodeRef>(bulkFetchSize);
    int totalHits = hits.length();
    for (int i = 0; i < bulkFetchSize; i++)
    {
        int next = n + i;
        if (next >= totalHits)
        {
            // We've hit the end
            break;
        }
        if (prefetch.get(next))
        {
            // This one is in there already
            continue;
        }
        // We store the node and mark it as prefetched
        prefetch.set(next);
        Document doc = hits.doc(next);
        String nodeRefStr = doc.get("ID");
        try
        {
            NodeRef nodeRef = tenantService.getBaseName(new NodeRef(nodeRefStr));
            fetchList.add(nodeRef);
        }
        catch (AlfrescoRuntimeException e)
        {
            // Ignore IDs that don't parse as NodeRefs, e.g. FTSREF docs
        }
    }
    // Now bulk fetch
    if (fetchList.size() > 1)
    {
        bulkLoader.cacheNodes(fetchList);
    }
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
@Override
public Set<NitriteId> searchByIndex(String field, String searchString) {
    IndexReader indexReader = null;
    try {
        QueryParser parser = new QueryParser(Version.LUCENE_4_9, field, analyzer);
        parser.setAllowLeadingWildcard(true);
        Query query = parser.parse("*" + searchString + "*");

        indexReader = DirectoryReader.open(indexDirectory);
        IndexSearcher indexSearcher = new IndexSearcher(indexReader);

        TopScoreDocCollector collector = TopScoreDocCollector.create(MAX_SEARCH, true);
        indexSearcher.search(query, collector);

        TopDocs hits = collector.topDocs(0, MAX_SEARCH);

        Set<NitriteId> keySet = new LinkedHashSet<>();
        if (hits != null) {
            ScoreDoc[] scoreDocs = hits.scoreDocs;
            if (scoreDocs != null) {
                for (ScoreDoc scoreDoc : scoreDocs) {
                    Document document = indexSearcher.doc(scoreDoc.doc);
                    String jsonId = document.get(CONTENT_ID);
                    NitriteId nitriteId = keySerializer.readValue(jsonId, NitriteId.class);
                    keySet.add(nitriteId);
                }
            }
        }

        return keySet;
    } catch (IOException | ParseException e) {
        throw new IndexingException(errorMessage(
                "could not search on full-text index", 0), e);
    } finally {
        try {
            if (indexReader != null) indexReader.close();
        } catch (IOException ignored) {
            // ignored
        }
    }
}
 

import org.apache.lucene.document.Document; //導入方法依賴的package包/類
@Override
protected ActivationResult createResult(ItemIdKey key, Document doc, float relevance, boolean sortByRelevance)
{
	return new ActivationResult(key, doc.get(FreeTextQuery.FIELD_ACTIVATION_ID), relevance, sortByRelevance);
}