Example usage for org.apache.lucene.search Sort Sort

List of usage examples for org.apache.lucene.search Sort Sort

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Introduction

In this page you can find the example usage for org.apache.lucene.search Sort Sort.

Prototype

public Sort(SortField... fields)

Source Link

Document

Sets the sort to the given criteria in succession: the first SortField is checked first, but if it produces a tie, then the second SortField is used to break the tie, etc.

Usage

From source file:com.khepry.frackhem.entities.Toxicities.java

License:Apache License

public QueryResult queryViaLucene(String queryField, String queryValue, Integer maxDocs, String sortOrder,
        Boolean allowLeadingWildcard) throws IOException, ParseException {

    QueryResult queryResult = new QueryResult();

    list.clear();/*from w  ww . j  a  v a2  s.  co m*/
    documents.clear();

    String message;

    String[] sortColumns = sortOrder.split(",");

    if (!initialized) {
        queryResult = initialize(indexFolderPath, taxonomyFolderPath);
    }

    if (!queryResult.isNotValid()) {
        QueryParser parser = new QueryParser(Version.LUCENE_44, queryField, analyzer);
        parser.setAllowLeadingWildcard(allowLeadingWildcard);
        Query query = parser.parse(queryValue);
        SortField[] sortFields = new SortField[sortColumns.length];
        String[] pieces;
        for (int i = 0; i < sortColumns.length; i++) {
            pieces = sortColumns[i].split(":");
            if (pieces.length > 1) {
                switch (pieces[1].toLowerCase()) {
                case "integer":
                    sortFields[i] = new SortField(sortColumns[i], SortField.Type.INT);
                    break;
                default:
                    sortFields[i] = new SortField(sortColumns[i], SortField.Type.STRING);
                    break;
                }
            } else {
                sortFields[i] = new SortField(sortColumns[i], SortField.Type.STRING);
            }
        }
        Sort sort = new Sort(sortFields);
        queryResult.setTopFieldCollector(TopFieldCollector.create(sort, maxDocs, true, false, false, false));

        List<FacetRequest> facetRequests = new ArrayList<>();
        facetRequests.add(new CountFacetRequest(new CategoryPath("toxRecognized", "CasEdfId"), 200));
        facetRequests.add(new CountFacetRequest(new CategoryPath("toxRecognized", "Toxicity"), 200));
        facetRequests.add(new CountFacetRequest(new CategoryPath("toxSuspected", "CasEdfId"), 200));
        facetRequests.add(new CountFacetRequest(new CategoryPath("toxSuspected", "Toxicity"), 200));
        FacetSearchParams facetSearchParams = new FacetSearchParams(facetRequests);
        queryResult.setFacetsCollector(FacetsCollector.create(facetSearchParams, indexReader, taxonomyReader));

        indexSearcher.search(query,
                MultiCollector.wrap(queryResult.getTopFieldCollector(), queryResult.getFacetsCollector()));

        List<Document> documents = new ArrayList<>();
        for (ScoreDoc scoreDoc : queryResult.getTopFieldCollector().topDocs().scoreDocs) {
            Document document = indexSearcher.doc(scoreDoc.doc);
            documents.add(document);
            Toxicity toxicity = new Toxicity(document);
            list.add((E) toxicity);
            if (outputDebugInfo) {
                for (IndexableField field : document.getFields()) {
                    System.out.print(field.stringValue());
                    System.out.print("\t");
                }
                System.out.println();
            }
        }
        queryResult.setDocuments(documents);

        if (outputDebugInfo) {
            for (FacetResult facetResult : queryResult.getFacetsCollector().getFacetResults()) {
                for (FacetResultNode node0 : facetResult.getFacetResultNode().subResults) {
                    if (node0.label.toString().indexOf("/Toxicity/") > -1) {
                        if (node0.label.toString().indexOf(",") == -1) {
                            System.out.println(node0.label + ": " + node0.value);
                        }
                    } else {
                        System.out.println(node0.label + ": " + node0.value);
                    }
                    //               for (FacetResultNode node1 : node0.subResults) {
                    //                  System.out.println(node1.label + ": " + node1.value);
                    //               }
                }
            }
        }
    }

    return queryResult;
}

From source file:com.krawler.spring.auditTrailModule.auditTrailDAOImpl.java

License:Open Source License

/**
 *
 * @param requestParams//from   w  w  w  . ja  v  a 2  s.c  o  m
 * @return
 * @throws com.krawler.common.service.ServiceException
 */
public KwlReturnObject getAuditIndexData(HashMap<String, Object> requestParams) throws ServiceException {
    int start = 0;
    int limit = 30;
    List ll = new ArrayList();
    int dl = 0;
    try {
        StringBuilder query = new StringBuilder();
        String[] searchWithIndex = { AUDIT_INDEX_details, AUDIT_INDEX_userName, AUDIT_INDEX_ipAddr };
        String indexPath = storageHandlerImpl.GetAuditTrailIndexPath();

        String searchtext = "";
        if (requestParams.containsKey("search") && requestParams.get("search") != null) {
            searchtext = requestParams.get("search").toString().toLowerCase();
            if (searchtext.length() > 0) {
                searchtext = QueryParser.escape(searchtext);
                if (searchtext.length() > 2) {
                    searchtext = !searchtext.contains(" ") ? "*" + searchtext + "*" : searchtext; //Add '*'(wildcard) for searching on single token
                }
                query.append(searchtext);
            }
        }

        String groupid = "";
        if (requestParams.containsKey("groupid") && requestParams.get("groupid") != null) {
            groupid = requestParams.get("groupid").toString();
            if (groupid.length() > 0) {
                if (!groupid.equals(Document)) { // document groupid
                    query.append(query.length() > 0 ? " AND " : "");
                    query.append("(");
                    query.append(AUDIT_INDEX_auditGroupId);
                    query.append(":");
                    query.append(groupid);
                    query.append(")");
                }
            }
        }
        // check for document group id if yes, then include all related audit actions also

        String companyid = "";
        if (requestParams.containsKey("companyid") && requestParams.get("companyid") != null) {
            companyid = requestParams.get("companyid").toString();
            query.append(query.length() > 0 ? " AND " : "");
            query.append("(");
            query.append(AUDIT_INDEX_companyId);
            query.append(":");
            query.append(companyid);
            query.append(")");
        }
        if (Document.equals(groupid)) {

            if (query.length() > 0) {
                query.append(query.length() > 0 ? " AND " : "");
                query.append("((");
                query.append(AUDIT_INDEX_auditGroupId);
                query.append(":");
                query.append(groupid);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CAMPAIGN_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(LEAD_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CONTACT_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(PRODUCT_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(ACCOUNT_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(OPPORTUNITY_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CASE_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(ACTIVITY_DOC_UPLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CAMPAIGN_DOC_DOWNLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(LEAD_DOC_DOWNLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CONTACT_DOC_DOWNLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(PRODUCT_DOC_DOWNLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(ACCOUNT_DOC_DOWNLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(OPPORTUNITY_DOC_DOWNLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CASE_DOC_DOWNLOAD);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(ACTIVITY_DOC_DOWNLOAD);
                query.append(")");
            }

            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CAMPAIGN_DOC_DELETED);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(LEAD_DOC_DELETED);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CONTACT_DOC_DELETED);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(PRODUCT_DOC_DELETED);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(ACCOUNT_DOC_DELETED);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(OPPORTUNITY_DOC_DELETED);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(CASE_DOC_DELETED);
                query.append(")");
            }
            if (query.length() > 0) {
                query.append(query.length() > 0 ? " OR " : "");
                query.append("(");
                query.append(AUDIT_INDEX_action);
                query.append(":");
                query.append(ACTIVITY_DOC_DELETED);
                query.append("))");
            }
        }
        Date fromDate = null;
        Date toDate = null;
        if (requestParams.containsKey("frm") && requestParams.get("frm") != null
                && requestParams.containsKey("to") && requestParams.get("to") != null) {
            fromDate = new Date(requestParams.get("frm").toString());
            toDate = new Date(requestParams.get("to").toString());
            query.append(query.length() > 0 ? " AND " : "");
            query.append("(");
            query.append(AUDIT_INDEX_auditTime);
            query.append(":[");
            query.append(fromDate.getTime());
            query.append(" TO ");
            query.append(toDate.getTime());
            query.append("])");
        }

        if (query.length() > 0) {
            Sort sort = null;
            if (requestParams.containsKey("field")) {
                sort = new Sort(new SortField(requestParams.get("field").toString(), SortField.STRING,
                        requestParams.get("direction").toString().equals("DESC") ? true : false));
            } else
                sort = new Sort(new SortField(AUDIT_INDEX_auditTime, SortField.STRING, true));
            if (requestParams.containsKey("start") && requestParams.containsKey("limit")
                    && !StringUtil.isNullOrEmpty(requestParams.get("start").toString())) {
                start = Integer.parseInt(requestParams.get("start").toString());
                limit = Integer.parseInt(requestParams.get("limit").toString());
            }
            Hits hitResult = LuceneSearchObj.searchIndexWithSort(query.toString(), searchWithIndex, indexPath,
                    sort);
            if (hitResult != null) {
                dl = hitResult.length();
                int count = Math.min(dl, start + limit);
                String auditUUID;
                AuditTrail audittrail;
                for (int i = start; i < count; i++) {
                    org.apache.lucene.document.Document doc = hitResult.doc(i);
                    auditUUID = doc.get(AUDIT_INDEX_transactionId);
                    audittrail = (AuditTrail) get(AuditTrail.class, auditUUID);
                    if (audittrail == null) {
                        count = Math.min(dl, count + 1);
                    } else
                        ll.add(audittrail);
                }
            }
        }
    } catch (IOException ex) {
        throw ServiceException.FAILURE(ex.getMessage(), ex);
    } catch (Exception ex) {
        throw ServiceException.FAILURE(ex.getMessage(), ex);
    }
    return new KwlReturnObject(true, KWLErrorMsgs.S01, "", ll, dl);
}

From source file:com.leavesfly.lia.advsearching.FunctionQueryTest.java

License:Apache License

public void testRecency() throws Throwable {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexReader r = IndexReader.open(dir);
    IndexSearcher s = new IndexSearcher(r);
    s.setDefaultFieldSortScoring(true, true);

    QueryParser parser = new QueryParser(Version.LUCENE_30, "contents",
            new StandardAnalyzer(Version.LUCENE_30));
    Query q = parser.parse("java in action"); // #A
    Query q2 = new RecencyBoostingQuery(q, // #B
            2.0, 2 * 365, "pubmonthAsDay");
    Sort sort = new Sort(new SortField[] { SortField.FIELD_SCORE, new SortField("title2", SortField.STRING) });
    TopDocs hits = s.search(q2, null, 5, sort);

    for (int i = 0; i < hits.scoreDocs.length; i++) {
        Document doc = r.document(hits.scoreDocs[i].doc);
        System.out.println((1 + i) + ": " + doc.get("title") + ": pubmonth=" + doc.get("pubmonth") + " score="
                + hits.scoreDocs[i].score);
    }/*from  w ww  .j a  v a  2 s . c  o  m*/
    s.close();
    r.close();
    dir.close();
}

From source file:com.leavesfly.lia.advsearching.SortingExample.java

License:Apache License

public static void main(String[] args) throws Exception {
    Query allBooks = new MatchAllDocsQuery();

    QueryParser parser = new QueryParser(Version.LUCENE_30, // #1
            "contents", // #1
            new StandardAnalyzer( // #1
                    Version.LUCENE_30)); // #1
    BooleanQuery query = new BooleanQuery(); // #1
    query.add(allBooks, BooleanClause.Occur.SHOULD); // #1
    query.add(parser.parse("java OR action"), BooleanClause.Occur.SHOULD); // #1

    Directory directory = TestUtil.getBookIndexDirectory(); // #2
    SortingExample example = new SortingExample(directory); // #2

    example.displayResults(query, Sort.RELEVANCE);

    example.displayResults(query, Sort.INDEXORDER);

    example.displayResults(query, new Sort(new SortField("category", SortField.STRING)));

    example.displayResults(query, new Sort(new SortField("pubmonth", SortField.INT, true)));

    example.displayResults(query, new Sort(new SortField("category", SortField.STRING), SortField.FIELD_SCORE,
            new SortField("pubmonth", SortField.INT, true)));

    example.displayResults(query,//from  w  w w  . j  av  a 2  s . co m
            new Sort(new SortField[] { SortField.FIELD_SCORE, new SortField("category", SortField.STRING) }));
    directory.close();
}

From source file:com.leavesfly.lia.extsearch.sorting.DistanceSortingTest.java

License:Apache License

public void testNeareastRestaurantToWork() throws Exception {
    Sort sort = new Sort(new SortField("unused", new DistanceComparatorSource(10, 10)));

    TopFieldDocs docs = searcher.search(query, null, 3, sort); // #1

    assertEquals(4, docs.totalHits); // #2
    assertEquals(3, docs.scoreDocs.length); // #3

    FieldDoc fieldDoc = (FieldDoc) docs.scoreDocs[0]; // #4

    assertEquals("(10,10) -> (9,6) = sqrt(17)", new Float(Math.sqrt(17)), fieldDoc.fields[0]); // #5

    Document document = searcher.doc(fieldDoc.doc); // #6
    assertEquals("Los Betos", document.get("name"));

    // dumpDocs(sort, docs);
}

From source file:com.leavesfly.lia.tool.SpatialLuceneExample.java

License:Apache License

public void findNear(String what, double latitude, double longitude, double radius)
        throws CorruptIndexException, IOException {
    IndexSearcher searcher = new IndexSearcher(directory);

    DistanceQueryBuilder dq;//from  ww w.  java  2s  . c  om
    dq = new DistanceQueryBuilder(latitude, // #A
            longitude, // #A
            radius, // #A
            latField, // #A
            lngField, // #A
            tierPrefix, // #A
            true); // #A

    Query tq;
    if (what == null)
        tq = new TermQuery(new Term("metafile", "doc")); // #B
    else
        tq = new TermQuery(new Term("name", what));

    DistanceFieldComparatorSource dsort; // #C
    dsort = new DistanceFieldComparatorSource( // #C
            dq.getDistanceFilter()); // #C
    Sort sort = new Sort(new SortField("foo", dsort)); // #C

    TopDocs hits = searcher.search(tq, dq.getFilter(), 10, sort);

    Map<Integer, Double> distances = // #D
            dq.getDistanceFilter().getDistances(); // #D

    System.out.println("Number of results: " + hits.totalHits);
    System.out.println("Found:");
    for (ScoreDoc sd : hits.scoreDocs) {
        int docID = sd.doc;
        Document d = searcher.doc(docID);

        String name = d.get("name");
        double rsLat = NumericUtils.prefixCodedToDouble(d.get(latField));
        double rsLng = NumericUtils.prefixCodedToDouble(d.get(lngField));
        Double geo_distance = distances.get(docID);

        System.out.printf(name + ": %.2f Miles\n", geo_distance);
        System.out.println("\t\t(" + rsLat + "," + rsLng + ")");
    }
}

From source file:com.liusoft.dlog4j.search.SearchProxy.java

License:Open Source License

/**
 * ?/*from w w w  .j a  v  a  2 s  .  com*/
 * @param params
 * @return
 * @throws Exception 
 */
public static List search(SearchParameter params) throws Exception {
    if (params == null)
        return null;

    SearchEnabled searching = (SearchEnabled) params.getSearchObject().newInstance();

    StringBuffer path = new StringBuffer(_baseIndexPath);
    path.append(searching.name());
    File f = new File(path.toString());
    if (!f.exists())
        return null;

    IndexSearcher searcher = new IndexSearcher(path.toString());

    //?
    BooleanQuery comboQuery = new BooleanQuery();
    int _query_count = 0;
    StringTokenizer st = new StringTokenizer(params.getSearchKey());
    while (st.hasMoreElements()) {
        String q = st.nextToken();
        String[] indexFields = searching.getIndexFields();
        for (int i = 0; i < indexFields.length; i++) {
            QueryParser qp = new QueryParser(indexFields[i], analyzer);
            try {
                Query subjectQuery = qp.parse(q);
                comboQuery.add(subjectQuery, BooleanClause.Occur.SHOULD);
                _query_count++;
            } catch (Exception e) {
                log.error("Add query parameter failed. key=" + q, e);
            }
        }
    }

    if (_query_count == 0)//?
        return null;

    //??
    MultiFilter multiFilter = null;
    HashMap conds = params.getConditions();
    if (conds != null) {
        Iterator keys = conds.keySet().iterator();
        while (keys.hasNext()) {
            if (multiFilter == null)
                multiFilter = new MultiFilter(0);
            String key = (String) keys.next();
            multiFilter.add(new FieldFilter(key, conds.get(key).toString()));
        }
    }

    /*
     * Creates a sort, possibly in reverse,
     * by terms in the given field with the type of term values explicitly given.
     */
    SortField[] s_fields = new SortField[2];
    s_fields[0] = SortField.FIELD_SCORE;
    s_fields[1] = new SortField(searching.getKeywordField(), SortField.INT, true);
    Sort sort = new Sort(s_fields);

    Hits hits = searcher.search(comboQuery, multiFilter, sort);
    int numResults = hits.length();
    //System.out.println(numResults + " found............................");
    int result_count = Math.min(numResults, MAX_RESULT_COUNT);
    List results = new ArrayList(result_count);
    for (int i = 0; i < result_count; i++) {
        Document doc = (Document) hits.doc(i);
        //Java
        Object result = params.getSearchObject().newInstance();
        Enumeration fields = doc.fields();
        while (fields.hasMoreElements()) {
            Field field = (Field) fields.nextElement();
            //System.out.println(field.name()+" -- "+field.stringValue());
            if (CLASSNAME_FIELD.equals(field.name()))
                continue;
            //?
            if (!field.isStored())
                continue;
            //System.out.println("=========== begin to mapping ============");
            //String --> anything
            Class fieldType = getNestedPropertyType(result, field.name());
            //System.out.println(field.name()+", class = " + fieldType.getName());
            Object fieldValue = null;
            if (fieldType.equals(Date.class))
                fieldValue = new Date(Long.parseLong(field.stringValue()));
            else
                fieldValue = ConvertUtils.convert(field.stringValue(), fieldType);
            //System.out.println(fieldValue+", class = " + fieldValue.getClass().getName());
            setNestedProperty(result, field.name(), fieldValue);
        }
        results.add(result);
    }

    return results;
}

From source file:com.marc.lastweek.business.entities.classifiedad.repository.ClassifiedAdRepository.java

License:Open Source License

@SuppressWarnings("unchecked")
public List<ClassifiedAd> indexBasedSearch(FilterParameters parameters, Calendar from, int start, int count) {

    FullTextQuery fullTextQuery = this.getFullTextQuery(parameters, from);

    SortField[] sortFields = new SortField[2];
    sortFields[0] = new SortField("publicationDate", SortField.STRING, true);
    sortFields[1] = SortField.FIELD_SCORE;
    Sort sort = new Sort(sortFields);
    fullTextQuery.setSort(sort);/*from   www . j  a  v  a2s. c o  m*/

    fullTextQuery.setFirstResult(start);
    fullTextQuery.setMaxResults(count);

    try {
        List<ClassifiedAd> result = fullTextQuery.list();
        return result;
    } catch (IllegalArgumentException e) {
        return new ArrayList<ClassifiedAd>();
    }
}

From source file:com.mathworks.xzheng.advsearching.FunctionQueryTest.java

License:Apache License

public void testRecency() throws Throwable {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexReader r = IndexReader.open(dir);
    IndexSearcher s = new IndexSearcher(r);
    s.setDefaultFieldSortScoring(true, true);

    QueryParser parser = new QueryParser(Version.LUCENE_46, "contents",
            new StandardAnalyzer(Version.LUCENE_46));
    Query q = parser.parse("java in action"); // #A
    Query q2 = new RecencyBoostingQuery(q, // #B
            2.0, 2 * 365, "pubmonthAsDay");
    Sort sort = new Sort(new SortField[] { SortField.FIELD_SCORE, new SortField("title2", SortField.STRING) });
    TopDocs hits = s.search(q2, null, 5, sort);

    for (int i = 0; i < hits.scoreDocs.length; i++) {
        Document doc = r.document(hits.scoreDocs[i].doc);
        System.out.println((1 + i) + ": " + doc.get("title") + ": pubmonth=" + doc.get("pubmonth") + " score="
                + hits.scoreDocs[i].score);
    }/*from  w  w  w .  j a v a 2  s  .  c om*/
    s.close();
    r.close();
    dir.close();
}

From source file:com.mathworks.xzheng.advsearching.SortingExample.java

License:Apache License

public static void main(String[] args) throws Exception {
    Query allBooks = new MatchAllDocsQuery();

    QueryParser parser = new QueryParser(Version.LUCENE_46, // #1
            "contents", // #1
            new StandardAnalyzer( // #1
                    Version.LUCENE_46)); // #1
    BooleanQuery query = new BooleanQuery(); // #1
    query.add(allBooks, BooleanClause.Occur.SHOULD); // #1
    query.add(parser.parse("java OR action"), BooleanClause.Occur.SHOULD); // #1

    Directory directory = TestUtil.getBookIndexDirectory(); // #2
    SortingExample example = new SortingExample(directory); // #2

    example.displayResults(query, Sort.RELEVANCE);

    example.displayResults(query, Sort.INDEXORDER);

    example.displayResults(query, new Sort(new SortField("category", SortField.STRING)));

    example.displayResults(query, new Sort(new SortField("pubmonth", SortField.INT, true)));

    example.displayResults(query, new Sort(new SortField("category", SortField.STRING), SortField.FIELD_SCORE,
            new SortField("pubmonth", SortField.INT, true)));

    example.displayResults(query,/* w  w w . ja v a  2s .c o  m*/
            new Sort(new SortField[] { SortField.FIELD_SCORE, new SortField("category", SortField.STRING) }));
    directory.close();
}