Example usage for org.apache.solr.client.solrj SolrQuery setHighlight

List of usage examples for org.apache.solr.client.solrj SolrQuery setHighlight

Introduction

In this page you can find the example usage for org.apache.solr.client.solrj SolrQuery setHighlight.

Prototype

public SolrQuery setHighlight(boolean b) 

Source Link

Usage

From source file:org.gbif.common.search.builder.SolrQueryBuilder.java

License:Apache License

/**
 * Helper method that sets the highlighting parameters.
 * //  w  w  w .  ja va 2 s  . c  o m
 * @param searchRequest the searchRequest used to extract the parameters
 * @param solrQuery this object is modified by adding the facets parameters
 */
private void setHighLightParams(SearchRequest<P> searchRequest, SolrQuery solrQuery) {
    solrQuery.setHighlight(searchRequest.isHighlight());
    solrQuery.setHighlightSnippets(NUM_HL_SNIPPETS);
    solrQuery.setHighlightFragsize(HL_FRAGMENT_SIZE);
    if (searchRequest.isHighlight()) {
        for (String hlField : queryBuilder.getHighlightedFields()) {
            solrQuery.addHighlightField(hlField);
        }
    }
}

From source file:org.mule.modules.SolrConnector.java

License:Apache License

private void applyHighlightingLogic(SolrQuery query, String highlightField, int highlightSnippets) {

    if (highlightField == null) {
        logger.debug("Highlighting is disabled for this query...");
        return;//  w ww . j a v  a 2s.  c  om
    }

    query.setHighlight(true);
    query.setHighlightSnippets(highlightSnippets);
    query.setParam("hl.fl", highlightField);
}

From source file:org.ofbiz.solr.SolrProductSearch.java

License:Apache License

/**
 * Runs a query on the Solr Search Engine and returns the results.
 * <p>//from   w  ww.j a  v  a2s.  c  o m
 * This function only returns an object of type QueryResponse, so it is probably not a good idea to call it directly from within the
 * groovy files (As a decent example on how to use it, however, use keywordSearch instead).
 */
public static Map<String, Object> runSolrQuery(DispatchContext dctx, Map<String, Object> context) {
    // get Connection
    HttpSolrServer server = null;
    Map<String, Object> result;

    Integer viewIndex = (Integer) context.get("viewIndex");
    Integer viewSize = (Integer) context.get("viewSize");
    if (viewIndex < 1) {
        viewIndex = 1;
    }
    try {
        server = new HttpSolrServer(SolrUtil.solrUrl);
        // create Query Object
        SolrQuery solrQuery = new SolrQuery();
        solrQuery.setQuery((String) context.get("query"));
        // solrQuery.setQueryType("dismax");
        boolean faceted = (Boolean) context.get("facet");
        if (faceted) {
            solrQuery.setFacet(faceted);
            //solrQuery.addFacetField("manu");
            solrQuery.addFacetField("features");
            solrQuery.addFacetField("cat");
            solrQuery.setFacetMinCount(1);
            solrQuery.setFacetLimit(8);

            solrQuery.addFacetQuery("listPrice:[0 TO 50]");
            solrQuery.addFacetQuery("listPrice:[50 TO 100]");
            solrQuery.addFacetQuery("listPrice:[100 TO 250]");
            solrQuery.addFacetQuery("listPrice:[250 TO 500]");
            solrQuery.addFacetQuery("listPrice:[500 TO 1000]");
            solrQuery.addFacetQuery("listPrice:[1000 TO 2500]");
            solrQuery.addFacetQuery("listPrice:[2500 TO 5000]");
            solrQuery.addFacetQuery("listPrice:[5000 TO 10000]");
            solrQuery.addFacetQuery("listPrice:[10000 TO 50000]");
            solrQuery.addFacetQuery("listPrice:[50000 TO *]");
        }

        boolean spellCheck = (Boolean) context.get("spellcheck");
        if (spellCheck) {
            solrQuery.setParam("spellcheck", spellCheck);
        }

        boolean highLight = (Boolean) context.get("highlight");
        if (highLight) {
            solrQuery.setHighlight(highLight);
            solrQuery.setHighlightSimplePre("<span class=\"highlight\">");
            solrQuery.addHighlightField("description");
            solrQuery.setHighlightSimplePost("</span>");
            solrQuery.setHighlightSnippets(2);
        }

        // Set additional Parameter
        // SolrQuery.ORDER order = SolrQuery.ORDER.desc;

        if (viewIndex != null && viewIndex > 0) {
            solrQuery.setStart((viewIndex - 1) * viewSize);
        }
        if (viewSize != null && viewSize > 0) {
            solrQuery.setRows(viewSize);
        }

        // if ((List) context.get("queryFilter") != null && ((ArrayList<SolrDocument>) context.get("queryFilter")).size() > 0) {
        // List filter = (List) context.get("queryFilter");
        // String[] tn = new String[filter.size()];
        // Iterator it = filter.iterator();
        // for (int i = 0; i < filter.size(); i++) {
        // tn[i] = (String) filter.get(i);
        // }
        // solrQuery.setFilterQueries(tn);
        // }
        String queryFilter = (String) context.get("queryFilter");
        if (UtilValidate.isNotEmpty(queryFilter))
            solrQuery.setFilterQueries(queryFilter.split(" "));
        if ((String) context.get("returnFields") != null) {
            solrQuery.setFields((String) context.get("returnFields"));
        }

        // if((Boolean)context.get("sortByReverse"))order.reverse();
        if ((String) context.get("sortBy") != null && ((String) context.get("sortBy")).length() > 0) {
            SolrQuery.ORDER order;
            if (!((Boolean) context.get("sortByReverse")))
                order = SolrQuery.ORDER.asc;
            else
                order = SolrQuery.ORDER.desc;
            solrQuery.setSort(((String) context.get("sortBy")).replaceFirst("-", ""), order);
        }

        if ((String) context.get("facetQuery") != null) {
            solrQuery.addFacetQuery((String) context.get("facetQuery"));
        }

        QueryResponse rsp = server.query(solrQuery);
        result = ServiceUtil.returnSuccess();
        result.put("queryResult", rsp);
    } catch (Exception e) {
        Debug.logError(e, e.getMessage(), module);
        result = ServiceUtil.returnError(e.toString());
    }
    return result;
}

From source file:org.opencms.search.solr.TestSolrSearch.java

License:Open Source License

/**
 * @throws Throwable//from   w  w w  . jav  a 2 s.c o m
 */
public void testAdvancedHighlighting() throws Throwable {

    // TODO: improve
    echo("Testing highlighting");

    // creating the query: facet=true&facet.field=Title_exact&facet.mincount=1&facet.query=text:OpenCms&rows=0
    SolrQuery query = new CmsSolrQuery(getCmsObject(), null);
    // hl=true
    query.setHighlight(true);
    // add df to the query - otherwise highlighting will fail
    query.set("df", "text");

    CmsSolrIndex index = OpenCms.getSearchManager().getIndexSolr(AllTests.SOLR_ONLINE);
    CmsSolrResultList results = index.search(getCmsObject(), query);

    assertNotNull(results.getHighLighting());
    echo("Highlighting works fine!");

    CmsSolrQuery q = new CmsSolrQuery(getCmsObject(), null);
    q.setTextSearchFields("content_en");
    q.setText("OpenCms");
    q.setHighlight(true);
    q.setHighlightFragsize(200);
    q.setHighlightFields("content_en");
    CmsSolrResultList res = OpenCms.getSearchManager().getIndexSolr(AllTests.SOLR_ONLINE).search(getCmsObject(),
            q);
    Map<String, Map<String, List<String>>> highlighting = res.getHighLighting();
    assertTrue("There should be some highlighted documents", highlighting != null);

    if (highlighting != null) {
        for (Map<String, List<String>> map : highlighting.values()) {
            for (List<String> entry : map.values()) {
                for (String s : entry) {
                    assertTrue("There must occure OpenCms in the highlighting",
                            s.toLowerCase().contains("OpenCms".toLowerCase()));
                }
            }
        }
    }
}

From source file:org.openmrs.module.chartsearch.solr.ChartSearchSearcher.java

License:Mozilla Public License

public List<ChartListItem> getDocumentList(Integer patientId, String searchText, Integer start, Integer length,
        List<String> selectedCategories) throws Exception {
    SolrServer solrServer = SolrSingleton.getInstance().getServer();
    SolrQuery query = new SolrQuery();
    List<ChartListItem> list = new ArrayList<ChartListItem>();
    ChartSearchNonFacetFiltering nonFaceting = new ChartSearchNonFacetFiltering();

    searchText = StringUtils.isNotBlank(searchText) ? searchText : "*";
    //check for existence of characters such as ", and : in the search text and submit as it is if so
    if (searchText.contains("\"")) {
        String searchWhole = "text:" + searchText;
        query.setQuery(searchWhole);// w ww .  j  av  a2  s. c om
    } else if (searchText.contains(":")) {
        query.setQuery(searchText);
    } else if (searchText.equals("*")) {
        query.setQuery(String.format("text:(%s)", searchText));
    } else {
        ChartSearchSyntax searchSyntax = new ChartSearchSyntax(searchText);
        searchText = searchSyntax.getSearchQuery();

        if (StringUtils.isNumeric(searchText)) {
            //this allows 36 returning 36.* for numerics
            searchText = searchText + ".*" + " || " + searchText;
        }
        query.setQuery(String.format("text:(%s)", searchText));
    }

    query.addFilterQuery(String.format("person_id:%d", patientId));
    addSelectedFilterQueriesToQuery(query, selectedCategories);
    query.setStart(start);
    query.setRows(length);
    query.setHighlight(true).setHighlightSnippets(1).setHighlightSimplePre("<b>")
            .setHighlightSimplePost("</b>");
    query.setParam("hl.fl", "text");

    query.remove(FacetParams.FACET_FIELD);
    query.setFacet(true);
    //adding facet field for concept_class
    query.addFacetField("concept_class_name");

    nonFaceting.applyNonFacetingLogicWhileSearching(patientId, searchText, selectedCategories, solrServer,
            query, list);

    return list;
}

From source file:org.rsc.liferay.solr.SolrIndexSearcher.java

License:Open Source License

protected SolrQuery translateQuery(long companyId, Query query, Sort[] sorts, int start, int end)
        throws Exception {

    QueryConfig queryConfig = query.getQueryConfig();

    SolrQuery solrQuery = new SolrQuery();

    if (queryConfig.isHighlightEnabled()) {
        solrQuery.setHighlight(true);
        solrQuery.setHighlightFragsize(queryConfig.getHighlightFragmentSize());
        solrQuery.setHighlightSnippets(queryConfig.getHighlightSnippetSize());

        String localizedContentName = DocumentImpl.getLocalizedName(queryConfig.getLocale(), Field.CONTENT);

        String localizedTitleName = DocumentImpl.getLocalizedName(queryConfig.getLocale(), Field.TITLE);

        solrQuery.setParam("hl.fl", Field.CONTENT, localizedContentName, Field.TITLE, localizedTitleName);
    }/*from   w ww  . j  a  v a 2s.  c  om*/

    solrQuery.setIncludeScore(queryConfig.isScoreEnabled());

    QueryTranslatorUtil.translateForSolr(query);

    String queryString = query.toString();

    StringBundler sb = new StringBundler(6);

    sb.append(queryString);
    sb.append(StringPool.SPACE);
    sb.append(StringPool.PLUS);
    sb.append(Field.COMPANY_ID);
    sb.append(StringPool.COLON);
    sb.append(companyId);

    solrQuery.setQuery(sb.toString());

    if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS)) {
        solrQuery.setRows(0);
    } else {
        solrQuery.setRows(end - start);
        solrQuery.setStart(start);
    }

    if (sorts != null) {
        for (Sort sort : sorts) {
            if (sort == null) {
                continue;
            }

            String sortFieldName = sort.getFieldName();

            if (DocumentImpl.isSortableTextField(sortFieldName)) {
                sortFieldName = DocumentImpl.getSortableFieldName(sortFieldName);
            }

            ORDER order = ORDER.asc;

            if (Validator.isNull(sortFieldName) || !sortFieldName.endsWith("sortable")) {

                sortFieldName = "score";

                order = ORDER.desc;
            }

            if (sort.isReverse()) {
                order = ORDER.desc;
            }

            solrQuery.addSort(new SortClause(sortFieldName, order));
        }
    }

    return solrQuery;
}

From source file:org.schedoscope.metascope.index.SolrQueryExecutor.java

License:Apache License

/**
 * Perform a query on the metascope solr index. Builds up the query string
 * from the given parameters and sends request to solr server
 * //from w  ww  .j a v a2 s .c  o  m
 * @param params
 *          the parameters which are included in the filter query
 * @return a SolrQueryResult object containing the result of the query
 */
public SolrQueryResult query(Map<String, String> params) {
    SolrQuery query = new SolrQuery();

    /* enable facetting */
    query.setFacet(true);

    /* list of all filters; key: name to display, value: entity parameter */
    List<SolrQueryParameter> filter = new ArrayList<SolrQueryParameter>();

    /* list of partition filter */
    List<SolrQueryParameter> partitionFilter = new ArrayList<SolrQueryParameter>();

    /*
     * list of filter which have been set by the user (key = filtername, value =
     * list of selections)
     */
    Map<String, List<String>> activeFilterValues = new HashMap<String, List<String>>();

    /*
     * determine on which type is searched for (either 'Table' or 'Partition')
     */
    String typeFilterValue = params.get(TYPE);
    filter.add(new SolrQueryParameter(FILTER_TYPE, TYPE, FilterType.EXCLUSIVE, FacetSort.COUNT));
    if (typeFilterValue != null && typeFilterValue.equalsIgnoreCase(TYPE_PARTITION)) {
        typeFilterValue = TYPE_PARTITION;
        for (String parameter : fieldEntityService.findDistinctParameters()) {
            partitionFilter.add(new SolrQueryParameter("Parameter: " + parameter, parameter + "_s",
                    FilterType.AND, FacetSort.INDEX));
        }
        for (SolrQueryParameter pFilter : partitionFilter) {
            query.addFacetField(pFilter.getName());
            query.add("f." + pFilter.getName() + ".facet.sort", "index");
            String filterValue = params.get(pFilter.getName());
            if (filterValue != null && !filterValue.isEmpty()) {
                query.addFilterQuery(pFilter.getName() + ":" + "(" + filterValue.replace(",", " AND ") + ")");
            }

        }
    } else {
        typeFilterValue = TYPE_TABLE;
    }
    query.addFilterQuery("{!tag=" + TYPE + "}" + TYPE + ":" + typeFilterValue);
    query.addFacetField("{!ex=" + TYPE + "}" + TYPE);

    /* set solr search query parameter 'q' */
    String searchQueryValue = params.get(URLUtil.SEARCH_QUERY_PARAM);
    if (searchQueryValue == null || searchQueryValue.isEmpty()) {
        searchQueryValue = "*";
        query.setQuery(searchQueryValue);
    } else {
        String[] queryTerms = searchQueryValue.trim().split(" ");
        String queryTerm = "";
        for (String term : queryTerms) {
            if (term.isEmpty()) {
                continue;
            }

            if (!queryTerm.isEmpty()) {
                queryTerm += " AND ";
            }
            queryTerm += "*" + term + "*";
        }
        query.setQuery(queryTerm);
        query.setHighlight(true);
        query.setHighlightSimplePre("<b>");
        query.setHighlightSimplePost("</b>");
        query.setHighlightSnippets(100);
        query.set("hl.fl", "*");
    }

    /* set the remaining filters */
    for (SolrQueryParameter queryFilter : facetFields) {
        filter.add(queryFilter);
        String value = params.get(queryFilter.getName());

        String filterQuery = "";
        String facetField = "";
        if (queryFilter.isExcludeFromFacet()) {
            if (value != null) {
                String[] multipleFilter = value.split(",");
                value = "(";
                for (int i = 0; i < multipleFilter.length; i++) {
                    String filterValue = cleanseValue(multipleFilter[i]).replace(" ", "*");
                    value += "(" + filterValue + ")";
                    if (i < multipleFilter.length - 1) {
                        value += " " + getOperator(queryFilter.getFilterType()) + " ";
                    }
                }
                value += ")";
            }
            filterQuery = "{!tag=" + queryFilter.getName() + "}" + queryFilter.getName() + ":" + value;
            facetField = "{!ex=" + queryFilter.getName() + "}" + queryFilter.getName();
        } else {
            if (value != null) {
                String[] multipleFilter = value.split(",");
                value = "(";
                for (int i = 0; i < multipleFilter.length; i++) {
                    String filterValue = cleanseValue(multipleFilter[i]).replace(" ", "*");
                    value += "(" + filterValue + ")";
                    if (i < multipleFilter.length - 1) {
                        value += " " + getOperator(queryFilter.getFilterType()) + " ";
                    }
                }
                value += ")";
            }
            filterQuery = queryFilter.getName() + ":" + value;
            facetField = queryFilter.getName();
        }

        if (value != null && !value.isEmpty()) {
            query.addFilterQuery(filterQuery);
        }
        query.addFacetField(facetField);

        if (queryFilter.getFacetSort().equals(FacetSort.INDEX)) {
            query.add("f." + queryFilter.getName() + ".facet.sort", "index");
        }
        query.add("f." + queryFilter.getName() + ".facet.limit", "-1");
    }

    /* set facet queries */
    Map<String, String> facetQueryMap = new HashMap<String, String>();
    long now = System.currentTimeMillis() / 1000;
    for (SolrFacetQuery solrFacetQuery : facetQueries) {
        for (SolrHourRange range : solrFacetQuery.getRanges()) {
            long from = range.getFrom() == Long.MAX_VALUE ? 0 : now - (range.getFrom() * 3600);
            String facetQueryString = solrFacetQuery.getName() + ":[" + from + " TO " + now + "]";
            query.addFacetQuery("{!ex=" + solrFacetQuery.getName() + "}" + facetQueryString);
            facetQueryMap.put(solrFacetQuery.getName() + range.getName(), facetQueryString);
        }
        String value = params.get(solrFacetQuery.getName());
        if (value != null) {
            String fq = "{!tag=" + solrFacetQuery.getName() + "}"
                    + facetQueryMap.get(solrFacetQuery.getName() + value);
            query.addFilterQuery(fq);
        }
    }

    /* always sort the entities (for a deterministic view) */
    query.setSort(ID, ORDER.asc);

    /* set pagination information */
    int page = getPageParameter(params);
    int elements = getElementsParameter(params);
    query.setRows(elements);
    query.setStart((page - 1) * elements);

    /* execute the query */
    QueryResponse queryResponse = null;
    try {
        queryResponse = solrClient.query(query);
    } catch (Exception e) {
        e.printStackTrace();
    }

    SolrDocumentList list = queryResponse.getResults();

    /* get table / view entities from local repository */
    List<SolrQueryResultEntity> resultEntities = new LinkedList<SolrQueryResultEntity>();
    String resultType = "";
    for (SolrDocument solrDocument : list) {
        String id = (String) solrDocument.get(ID);

        if (typeFilterValue.equalsIgnoreCase(TYPE_PARTITION)) {
            if (!searchQueryValue.equals("*")) {
                resultEntities.add(new SolrQueryResultEntity(viewEntityService.findByUrlPath(id),
                        queryResponse.getHighlighting().get(id)));
            } else {
                resultEntities.add(new SolrQueryResultEntity(viewEntityService.findByUrlPath(id)));
            }
            resultType = TYPE_PARTITION;
        } else if (typeFilterValue.equalsIgnoreCase(TYPE_TABLE)) {
            if (!searchQueryValue.equals("*")) {
                resultEntities.add(new SolrQueryResultEntity(tableEntityService.findByFqdn(id),
                        queryResponse.getHighlighting().get(id)));
            } else {
                resultEntities.add(new SolrQueryResultEntity(tableEntityService.findByFqdn(id)));
            }
        }
    }
    if (resultType.isEmpty()) {
        resultType = TYPE_TABLE;
    }

    filter.addAll(partitionFilter);

    /* get the facet values and counts */
    Map<String, List<SolrFacet>> facetValues = new HashMap<String, List<SolrFacet>>();
    for (SolrQueryParameter f : filter) {
        if (!f.getName().equals(URLUtil.SEARCH_QUERY_PARAM)) {
            List<SolrFacet> values = new ArrayList<SolrFacet>();
            FacetField facet = queryResponse.getFacetField(f.getName());
            for (Count count : facet.getValues()) {
                values.add(new SolrFacet(count.getName(), count.getCount()));
            }
            facetValues.put(f.getName(), values);
        }
    }

    /* remove the type filter */
    filter.remove(0);

    for (SolrFacetQuery solrFacetQuery : facetQueries) {
        filter.add(new SolrQueryParameter(solrFacetQuery.getDisplayName(), solrFacetQuery.getName(),
                FilterType.EXCLUSIVE));
        List<SolrFacet> values = new ArrayList<SolrFacet>();
        for (SolrHourRange range : solrFacetQuery.getRanges()) {
            long facetQueryCount = getFacetQueryCount(queryResponse, "{!ex=" + solrFacetQuery.getName() + "}"
                    + facetQueryMap.get(solrFacetQuery.getName() + range.getName()));
            values.add(new SolrFacet(range.getName(), facetQueryCount));
        }
        facetValues.put(solrFacetQuery.getName(), values);
    }

    /* get the active filter values which have been selected by the user */
    addToActiveFilterValues(activeFilterValues, params, filter);

    /* build and return the result */
    SolrQueryResult result = new SolrQueryResult().withResultEntities(resultEntities).withResultType(resultType)
            .withFilters(filter).withFacetValues(facetValues).withActiveFilterValues(activeFilterValues)
            .withSearchQuery(searchQueryValue).withPage(page).withElements(elements)
            .withTotalPages((int) Math.ceil(((double) list.getNumFound()) / elements))
            .withTotalResults(list.getNumFound());
    return result;
}

From source file:org.segrada.search.solr.SolrSearchEngine.java

License:Apache License

@Override
public PaginationInfo<SearchHit> search(String searchTerm, Map<String, String> filters) {
    // to avoid NPEs
    if (filters == null)
        filters = new HashMap<>();

    // set defaults
    int page = 1;
    int entriesPerPage = 20;

    try {/*from w w w .  j a  v a2s  .  co m*/
        // Parse a simple query that searches for "text":
        MultiFieldQueryParser parser;
        String[] containFields;
        // do we have a filter to contain to certain fields?
        if (filters.containsKey("fields")) {
            String fields = filters.get("fields");
            if (fields.isEmpty())
                containFields = new String[] { this.title, this.subTitles, this.content };
            else if (fields.equalsIgnoreCase(this.title))
                containFields = new String[] { this.title };
            else if (fields.equalsIgnoreCase(this.subTitles))
                containFields = new String[] { this.subTitles };
            else if (fields.equalsIgnoreCase(this.content))
                containFields = new String[] { this.content };
            else if (fields.equalsIgnoreCase("allTitles"))
                containFields = new String[] { this.title, this.subTitles };
            else
                throw new RuntimeException("fields-Filter " + fields + " is not known.");
        } else
            containFields = new String[] { this.title, this.subTitles, this.content };
        parser = new MultiFieldQueryParser(Version.LUCENE_47, containFields, analyzer);

        // which operator do we use?
        parser.setDefaultOperator(QueryParser.Operator.AND);
        if (filters.containsKey("operator")) {
            String operator = filters.get("operator");
            if (operator.equalsIgnoreCase("or"))
                parser.setDefaultOperator(QueryParser.Operator.OR);
            else if (!operator.isEmpty() && !operator.equalsIgnoreCase("and"))
                throw new RuntimeException("operator-Filter " + operator + " is not and/or.");
        }

        // filters for query
        SolrQuery query = new SolrQuery();
        // class filter
        if (filters.containsKey("class") && !filters.get("class").isEmpty()) {
            // multiple classes?
            String[] classes = filters.get("class").split(",");

            // single class
            if (classes.length <= 1) {
                query.addFilterQuery(this.className, filters.get("class"));
            } else { // multiple classes
                StringBuilder chained = new StringBuilder("(");
                for (int i = 0; i < classes.length; i++) {
                    if (i > 0)
                        chained.append(" OR ");
                    chained.append("className:").append(classes[i].trim());
                }
                query.addFilterQuery(this.className, chained + ")");
            }
        }

        // tag filter
        if (filters.containsKey("tags") && !filters.get("tags").isEmpty()) {
            // split tags into array
            String[] tags = filters.get("tags").split(",");
            BooleanQuery booleanQuery = new BooleanQuery();
            for (String tagLocal : tags) {
                booleanQuery.add(new TermQuery(new Term("tag", tagLocal.trim())), BooleanClause.Occur.SHOULD);
            }
            query.addFilterQuery(this.tag, booleanQuery.toString());
        }

        // define query
        Query queryTerm = null;
        if (searchTerm != null)
            queryTerm = parser.parse(searchTerm);
        if (queryTerm == null)
            queryTerm = new MatchAllDocsQuery(); // fallback to match all documents
        query.setQuery(queryTerm.toString());

        // get hits per page
        if (filters.containsKey("limit")) {
            try {
                entriesPerPage = Integer.valueOf(filters.get("limit"));
                if (entriesPerPage <= 0 || entriesPerPage > 1000)
                    entriesPerPage = 20;
            } catch (NumberFormatException e) {
                logger.warn("Could not parse limit " + filters.get("limit") + " to integer", e);
            }
        }

        // get page number
        if (filters.containsKey("page")) {
            try {
                page = Integer.valueOf(filters.get("page"));
            } catch (NumberFormatException e) {
                logger.warn("Could not parse page " + filters.get("page") + " to integer", e);
            }
        }

        // calculate start index
        int startIndex = (page - 1) * entriesPerPage;

        query.setStart(startIndex);
        query.setRows(entriesPerPage);

        query.setFields("*", "score");

        // define highlighting
        query.setHighlight(true);
        query.addHighlightField(this.content);
        query.setHighlightFragsize(18);
        query.setHighlightSnippets(10);
        query.setHighlightSimplePre("<b>");
        query.setHighlightSimplePost("</b>");

        // do query
        QueryResponse response = solr.query(query);
        SolrDocumentList results = response.getResults();

        // how many pages do we have?
        int pages = (int) (results.getNumFound() / entriesPerPage + 1);

        // cycle trough hits
        List<SearchHit> hits = new ArrayList<>();

        for (SolrDocument doc : results) {
            SearchHit searchHit = createHitFromDocument(doc);

            // add score
            Object score = doc.get("score");
            if (score != null && score instanceof Float)
                searchHit.setRelevance((float) score);

            // get highlighted components
            if (searchTerm != null && response.getHighlighting().get(searchHit.getId()) != null) {
                List<String> fragments = response.getHighlighting().get(searchHit.getId()).get(this.content);
                if (fragments != null) {
                    String[] bestFragments = new String[fragments.size() > 10 ? 10 : fragments.size()];
                    for (int i = 0; i < bestFragments.length; i++)
                        bestFragments[i] = fragments.get(i);
                    searchHit.setHighlightText(bestFragments);
                }
            }

            // add hit
            hits.add(searchHit);
        }

        // return pagination info
        return new PaginationInfo<>(page, pages, (int) results.getNumFound(), entriesPerPage, hits);
    } catch (Throwable e) {
        logger.error("Error in search.", e);
    }

    // return empty list result in order to avoid NPEs
    return new PaginationInfo<>(page, 1, 0, entriesPerPage, new ArrayList<>());
}

From source file:org.segrada.search.solr.SolrSearchEngine.java

License:Apache License

@Override
public String[] searchInDocument(String searchTerm, String id) {
    // sanity check
    if (searchTerm == null || id == null || searchTerm.isEmpty() || id.isEmpty())
        return new String[] {};

    try {//from   w ww.jav  a2 s  .  co  m
        // only search content
        MultiFieldQueryParser parser = new MultiFieldQueryParser(Version.LUCENE_47, new String[] { "content" },
                analyzer);

        SolrQuery query = new SolrQuery();

        // set operator and contain by id
        parser.setDefaultOperator(QueryParser.Operator.AND);
        query.setQuery(parser.parse(searchTerm).toString());

        // filter by id
        query.addFilterQuery("id:" + id);
        query.setRows(1);

        // define highlighting
        query.setHighlight(true);
        query.addHighlightField(this.content);
        query.setHighlightFragsize(100);
        query.setHighlightSnippets(100);
        query.setHighlightSimplePre("<b>");
        query.setHighlightSimplePost("</b>");

        // do query
        QueryResponse response = solr.query(query);
        SolrDocumentList results = response.getResults();

        if (!results.isEmpty() && response.getHighlighting().get(id) != null) {
            List<String> fragments = response.getHighlighting().get(id).get(this.content);
            String[] bestFragments = new String[fragments.size() > 100 ? 100 : fragments.size()];
            for (int i = 0; i < bestFragments.length; i++)
                bestFragments[i] = fragments.get(i);
            return bestFragments;
        }
    } catch (Throwable e) {
        logger.error("Error in search.", e);
    }

    return new String[] {};
}

From source file:org.xwiki.platform.search.solr.internal.SolrSearchService.java

License:Open Source License

/**
 * {@inheritDoc}//from   w  ww  .  j av  a 2 s  . co  m
 * 
 * @see org.xwiki.platform.search.SearchService#queryDocument(java.lang.String)
 */
@Override
public ArrayList<String> queryDocument(String query, String qfvalues) {
    SolrQuery squery = new SolrQuery();
    squery.setQuery(query).setFacet(true).addFacetField("title_en", "title_fr", "title_es", "ft_en", "ft_fr",
            "ft_es");

    // Edismax
    squery.setParam("defType", "edismax");
    squery.setParam("qt", "edismax");

    // qf values passed on from front end.
    squery.setParam("qf", qfvalues);
    squery.setParam("debugQuery", "on");

    // Highlighting
    squery.setHighlight(true);
    squery.setParam("hl.simple.pre", "**");
    squery.setParam("hl.simple.post", "**");

    logger.info("Querying document - " + query);

    QueryResponse response;
    Map<String, Map<String, List<String>>> highlightingMap = null;
    try {

        response = solrServer.query(squery);
        logger.info("Facet fields " + response.getFacetFields());

        ArrayList<String> docNames = new ArrayList<String>();
        highlightingMap = response.getHighlighting();
        logger.info("Highlighting :: " + highlightingMap);

        for (SolrDocument d : response.getResults()) {
            String language = "_" + (String) d.getFieldValue("language");
            logger.info("The language for the document is - " + language);

            String space = (String) d.getFieldValue(IndexFields.DOCUMENT_SPACE + language);
            String pageName = (String) d.getFieldValue(IndexFields.DOCUMENT_NAME + language);
            String title = (String) d.getFieldValue(IndexFields.DOCUMENT_TITLE + language);
            Float score = (Float) d.getFieldValue("score");
            String id = (String) d.getFieldValue("id");

            if (highlightingMap != null) {
                Map<String, List<String>> docMap = highlightingMap.get(id);
                if (docMap != null && docMap.containsKey(IndexFields.DOCUMENT_TITLE + language)) {
                    title = docMap.get(IndexFields.DOCUMENT_TITLE + language).toString();
                }
            }

            // return a string with link to the page, score and page title ( varies from language to langauge for
            // same page).
            String retStr = "[[" + space + "." + pageName + "]] with a score (" + score + ") \\\\" + title;

            logger.info("Fields :: " + retStr);
            docNames.add(retStr);
        }
        return docNames;
    } catch (SolrServerException e) {
        e.printStackTrace();
    }

    return (ArrayList<String>) Collections.EMPTY_LIST;

}