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.ambraproject.search.service.SolrSearchService.java

License:Apache License

private SolrQuery createKeywordFacetQuery(String queryString) {
    SolrQuery query = new SolrQuery();
    query.setTimeAllowed(queryTimeout);// w w  w.j a v a  2s  . c  om
    query.setIncludeScore(false);
    query.setHighlight(false);
    query.setRows(0);
    query.set("defType", "dismax");
    query.set("qf", "doc_partial_body");
    query.addFacetField("doc_partial_type");
    query.setFacetLimit(MAX_FACET_SIZE);
    query.setFacetMinCount(MIN_FACET_COUNT);
    // Add a filter to ensure that Solr never returns partial documents
    query.addFilterQuery(createFilterPartialDocuments());
    query.setQuery(queryString);

    return query;
}

From source file:org.ambraproject.service.feed.FeedServiceImpl.java

License:Apache License

@Override
public Document getSearchArticles(final FeedSearchParameters sParams) throws ApplicationException {

    log.debug("Performing RSS Feed Search");

    SolrQuery query = null;

    if (sParams.getUnformattedQuery().equals("")) {
        log.debug("Simple Rss Search performed on the String: " + sParams.getQuery());
        query = new SolrQuery(sParams.getQuery());
        query.set("defType", "dismax");
    } else {// w w  w. j  av  a 2 s  .c om
        log.debug("Simple Rss Search performed on the String: " + sParams.getUnformattedQuery());
        query = new SolrQuery(sParams.getUnformattedQuery());
    }

    query.setTimeAllowed(queryTimeout);
    query.setIncludeScore(true); // The relevance (of each results element) to the search terms.
    query.setHighlight(false);
    // request only fields that we need
    query.setFields("id", "title_display", "publication_date", "author_without_collab_display",
            "author_collab_only_display", "author_display", "volume", "issue", "article_type",
            "subject_hierarchy", "abstract_primary_display", "copyright");
    query.addFilterQuery("doc_type:full");
    query.addFilterQuery("!article_type_facet:\"Issue Image\"");
    query.addFacetField("cross_published_journal_key");

    // Form field description: "Journals".  Query Filter.
    if (sParams.getFilterJournals() != null && sParams.getFilterJournals().length > 0) {
        query.addFilterQuery(createFilterLimitForJournals(sParams.getFilterJournals()));
    }

    // Form field description: "Subject Categories".  Query Filter.
    if (sParams.getFilterSubjects() != null && sParams.getFilterSubjects().length > 0) {
        query.addFilterQuery(createFilterLimitForSubject(sParams.getFilterSubjects()));
    }

    // Form field description: "Article Types".  Query Filter.
    if (sParams.getFilterArticleType() != null && sParams.getFilterArticleType().length > 0) {
        query.addFilterQuery(createFilterLimitForArticleType(sParams.getFilterArticleType()));
    }

    //Set the sort ordering for results, if applicable.
    setSort(query, sParams);

    //If the keywords parameter is specified, we need to change what field we're querying against
    //aka, body, conclusions, materials and methods ... etc ...
    if (sParams.getFilterKeyword().length() > 0) {
        String fieldkey = sParams.getFilterKeyword();

        if (!validKeywords.containsKey(fieldkey)) {
            throw new ApplicationException("Invalid filterKeyword value of " + fieldkey + " specified");
        }
        String fieldName = (String) validKeywords.get(fieldkey);
        query.set("qf", fieldName);
    }

    query.set("wt", "xml");

    Document result = null;
    try {
        result = solrHttpService.makeSolrRequestForRss(query.toString());
    } catch (SolrException e) {
        e.printStackTrace();
    }
    return result;
}

From source file:org.ambraproject.service.search.SolrSearchService.java

License:Apache License

private SolrQuery createQuery(String queryString, int startPage, int pageSize, boolean useDismax) {
    SolrQuery query = new SolrQuery(queryString);
    query.setTimeAllowed(queryTimeout);// w w  w .java  2  s  .  c  o m
    query.setIncludeScore(true); // The relevance (of each results element) to the search terms.
    query.setHighlight(false);

    if (useDismax) {
        query.set("defType", "dismax");
    }

    //TODO: Put The "options" from the "queryField" picklist into a config file.
    //This list matches the "options" from the "queryField" picklist on unformattedSearch.ftl,
    //without the "date" fields.

    query.setStart(startPage * pageSize); // Which results element to return first in this batch.
    query.setRows(pageSize); // The number of results elements to return.
    // request only fields that we need to display
    query.setFields("id", "score", "title_display", "publication_date", "eissn", "journal", "article_type",
            "author_display", "abstract", "abstract_primary_display", "striking_image", "figure_table_caption",
            "subject", "expression_of_concern", "retraction");
    query.addFacetField("subject_facet");
    query.addFacetField("author_facet");
    query.addFacetField("editor_facet");
    query.addFacetField("article_type_facet");
    query.addFacetField("affiliate_facet");
    query.set("facet.method", "fc");
    query.setFacetLimit(MAX_FACET_SIZE);
    query.setFacetMinCount(MIN_FACET_COUNT);
    // Add a filter to ensure that Solr never returns partial documents
    query.addFilterQuery(createFilterFullDocuments());

    return query;
}

From source file:org.ambraproject.service.search.SolrSearchService.java

License:Apache License

private SolrQuery createFacetsQuery(String queryString, String field, boolean useDismax) {
    SolrQuery query = new SolrQuery(queryString);
    query.setTimeAllowed(queryTimeout);/*  www .j  av  a2 s.co  m*/
    query.setIncludeScore(false);
    query.setHighlight(false);
    query.setRows(0);
    query.setFacetLimit(MAX_FACET_SIZE);
    query.setFacetMinCount(MIN_FACET_COUNT);

    if (useDismax) {
        query.set("defType", "dismax");
    }

    query.addFacetField(field);
    // Add a filter to ensure that Solr never returns partial documents
    query.addFilterQuery(createFilterFullDocuments());

    return query;
}

From source file:org.apache.jackrabbit.oak.plugins.index.solr.query.FilterQueryParser.java

License:Apache License

static SolrQuery getQuery(Filter filter, QueryIndex.IndexPlan plan, OakSolrConfiguration configuration) {

    SolrQuery solrQuery = new SolrQuery();
    setDefaults(solrQuery, configuration);

    StringBuilder queryBuilder = new StringBuilder();

    FullTextExpression ft = filter.getFullTextConstraint();
    if (ft != null) {
        queryBuilder.append(parseFullTextExpression(ft, configuration));
        queryBuilder.append(' ');
    } else if (filter.getFulltextConditions() != null) {
        Collection<String> fulltextConditions = filter.getFulltextConditions();
        for (String fulltextCondition : fulltextConditions) {
            queryBuilder.append(fulltextCondition).append(" ");
        }//from  ww w  .  ja v  a2 s . co m
    }

    List<QueryIndex.OrderEntry> sortOrder = plan.getSortOrder();
    if (sortOrder != null) {
        for (QueryIndex.OrderEntry orderEntry : sortOrder) {
            SolrQuery.ORDER order;
            if (QueryIndex.OrderEntry.Order.ASCENDING.equals(orderEntry.getOrder())) {
                order = SolrQuery.ORDER.asc;
            } else {
                order = SolrQuery.ORDER.desc;
            }
            String sortingField;
            if (JcrConstants.JCR_PATH.equals(orderEntry.getPropertyName())) {
                sortingField = partialEscape(configuration.getPathField()).toString();
            } else if (JcrConstants.JCR_SCORE.equals(orderEntry.getPropertyName())) {
                sortingField = "score";
            } else {
                if (orderEntry.getPropertyName().indexOf('/') >= 0) {
                    log.warn("cannot sort on relative properties, ignoring {} clause", orderEntry);
                    continue; // sorting by relative properties not supported until index time aggregation is supported
                }
                sortingField = partialEscape(
                        getSortingField(orderEntry.getPropertyType().tag(), orderEntry.getPropertyName()))
                                .toString();
            }
            solrQuery.addOrUpdateSort(sortingField, order);
        }
    }

    Collection<Filter.PropertyRestriction> propertyRestrictions = filter.getPropertyRestrictions();
    if (propertyRestrictions != null && !propertyRestrictions.isEmpty()) {
        for (Filter.PropertyRestriction pr : propertyRestrictions) {
            if (pr.isNullRestriction()) {
                // can not use full "x is null"
                continue;
            }
            // facets
            if (QueryImpl.REP_FACET.equals(pr.propertyName)) {
                solrQuery.setFacetMinCount(1);
                solrQuery.setFacet(true);
                String value = pr.first.getValue(Type.STRING);
                solrQuery.addFacetField(
                        value.substring(QueryImpl.REP_FACET.length() + 1, value.length() - 1) + "_facet");
            }

            // native query support
            if (SolrQueryIndex.NATIVE_SOLR_QUERY.equals(pr.propertyName)
                    || SolrQueryIndex.NATIVE_LUCENE_QUERY.equals(pr.propertyName)) {
                String nativeQueryString = String.valueOf(pr.first.getValue(pr.first.getType()));
                if (isSupportedHttpRequest(nativeQueryString)) {
                    // pass through the native HTTP Solr request
                    String requestHandlerString = nativeQueryString.substring(0,
                            nativeQueryString.indexOf('?'));
                    if (!"select".equals(requestHandlerString)) {
                        if (requestHandlerString.charAt(0) != '/') {
                            requestHandlerString = "/" + requestHandlerString;
                        }
                        solrQuery.setRequestHandler(requestHandlerString);
                    }
                    String parameterString = nativeQueryString.substring(nativeQueryString.indexOf('?') + 1);
                    for (String param : parameterString.split("&")) {
                        String[] kv = param.split("=");
                        if (kv.length != 2) {
                            throw new RuntimeException("Unparsable native HTTP Solr query");
                        } else {
                            // more like this
                            if ("/mlt".equals(requestHandlerString)) {
                                if ("stream.body".equals(kv[0])) {
                                    kv[0] = "q";
                                    String mltFlString = "mlt.fl=";
                                    int mltFlIndex = parameterString.indexOf(mltFlString);
                                    if (mltFlIndex > -1) {
                                        int beginIndex = mltFlIndex + mltFlString.length();
                                        int endIndex = parameterString.indexOf('&', beginIndex);
                                        String fields;
                                        if (endIndex > beginIndex) {
                                            fields = parameterString.substring(beginIndex, endIndex);
                                        } else {
                                            fields = parameterString.substring(beginIndex);
                                        }
                                        kv[1] = "_query_:\"{!dismax qf=" + fields + " q.op=OR}" + kv[1] + "\"";
                                    }
                                }
                                if ("mlt.fl".equals(kv[0]) && ":path".equals(kv[1])) {
                                    // rep:similar passes the path of the node to find similar documents for in the :path
                                    // but needs its indexed content to find similar documents
                                    kv[1] = configuration.getCatchAllField();
                                }
                            }
                            if ("/spellcheck".equals(requestHandlerString)) {
                                if ("term".equals(kv[0])) {
                                    kv[0] = "spellcheck.q";
                                }
                                solrQuery.setParam("spellcheck", true);
                            }
                            if ("/suggest".equals(requestHandlerString)) {
                                if ("term".equals(kv[0])) {
                                    kv[0] = "suggest.q";
                                }
                                solrQuery.setParam("suggest", true);
                            }
                            solrQuery.setParam(kv[0], kv[1]);
                        }
                    }
                    return solrQuery;
                } else {
                    queryBuilder.append(nativeQueryString);
                }
            } else {
                if (SolrQueryIndex.isIgnoredProperty(pr, configuration)) {
                    continue;
                }

                String first = null;
                if (pr.first != null) {
                    first = partialEscape(String.valueOf(pr.first.getValue(pr.first.getType()))).toString();
                }
                String last = null;
                if (pr.last != null) {
                    last = partialEscape(String.valueOf(pr.last.getValue(pr.last.getType()))).toString();
                }

                String prField = configuration.getFieldForPropertyRestriction(pr);
                CharSequence fieldName = partialEscape(prField != null ? prField : pr.propertyName);
                if ("jcr\\:path".equals(fieldName.toString())) {
                    queryBuilder.append(configuration.getPathField());
                    queryBuilder.append(':');
                    queryBuilder.append(first);
                } else {
                    if (pr.first != null && pr.last != null && pr.first.equals(pr.last)) {
                        queryBuilder.append(fieldName).append(':');
                        queryBuilder.append(first);
                    } else if (pr.first == null && pr.last == null) {
                        if (!queryBuilder.toString().contains(fieldName + ":")) {
                            queryBuilder.append(fieldName).append(':');
                            queryBuilder.append('*');
                        }
                    } else if ((pr.first != null && pr.last == null) || (pr.last != null && pr.first == null)
                            || (!pr.first.equals(pr.last))) {
                        // TODO : need to check if this works for all field types (most likely not!)
                        queryBuilder.append(fieldName).append(':');
                        queryBuilder.append(createRangeQuery(first, last, pr.firstIncluding, pr.lastIncluding));
                    } else if (pr.isLike) {
                        // TODO : the current parameter substitution is not expected to work well
                        queryBuilder.append(fieldName).append(':');
                        queryBuilder.append(partialEscape(String.valueOf(pr.first.getValue(pr.first.getType()))
                                .replace('%', '*').replace('_', '?')));
                    } else {
                        throw new RuntimeException("[unexpected!] not handled case");
                    }
                }
            }
            queryBuilder.append(" ");
        }
    }

    if (configuration.useForPrimaryTypes()) {
        String[] pts = filter.getPrimaryTypes().toArray(new String[filter.getPrimaryTypes().size()]);
        StringBuilder ptQueryBuilder = new StringBuilder();
        for (int i = 0; i < pts.length; i++) {
            String pt = pts[i];
            if (i == 0) {
                ptQueryBuilder.append("(");
            }
            if (i > 0 && i < pts.length) {
                ptQueryBuilder.append("OR ");
            }
            ptQueryBuilder.append("jcr\\:primaryType").append(':').append(partialEscape(pt)).append(" ");
            if (i == pts.length - 1) {
                ptQueryBuilder.append(")");
                ptQueryBuilder.append(' ');
            }
        }
        solrQuery.addFilterQuery(ptQueryBuilder.toString());
    }

    if (filter.getQueryStatement() != null && filter.getQueryStatement().contains(QueryImpl.REP_EXCERPT)) {
        if (!solrQuery.getHighlight()) {
            // enable highlighting
            solrQuery.setHighlight(true);
            // defaults
            solrQuery.set("hl.fl", "*");
            solrQuery.set("hl.encoder", "html");
            solrQuery.set("hl.mergeContiguous", true);
            solrQuery.setHighlightSimplePre("<strong>");
            solrQuery.setHighlightSimplePost("</strong>");
        }
    }

    if (configuration.useForPathRestrictions()) {
        Filter.PathRestriction pathRestriction = filter.getPathRestriction();
        if (pathRestriction != null) {
            String path = purgePath(filter, plan.getPathPrefix());
            String fieldName = configuration.getFieldForPathRestriction(pathRestriction);
            if (fieldName != null) {
                if (pathRestriction.equals(Filter.PathRestriction.ALL_CHILDREN)) {
                    solrQuery.addFilterQuery(fieldName + ':' + path);
                } else {
                    queryBuilder.append(fieldName);
                    queryBuilder.append(':');
                    queryBuilder.append(path);
                }
            }
        }
    }

    if (configuration.collapseJcrContentNodes()) {
        solrQuery.addFilterQuery("{!collapse field=" + configuration.getCollapsedPathField() + " min="
                + configuration.getPathDepthField() + " hint=top_fc nullPolicy=expand}");
    }

    if (queryBuilder.length() == 0) {
        queryBuilder.append("*:*");
    }
    String escapedQuery = queryBuilder.toString();
    solrQuery.setQuery(escapedQuery);

    if (log.isDebugEnabled()) {
        log.debug("JCR query {} has been converted to Solr query {}", filter.getQueryStatement(),
                solrQuery.toString());
    }

    return solrQuery;
}

From source file:org.apache.nutch.searcher.SolrBean.java

License:Apache License

public Hits search(Query query) throws IOException {
    // filter query string
    //    final BooleanQuery bQuery = filters.filter(query);

    //    final SolrQuery solrQuery = new SolrQuery(stringify(bQuery));
    final SolrQuery solrQuery = new SolrQuery();

    solrQuery.set("q", query.getQuery());
    String a = query.getParams().getSortField();
    solrQuery.setRows(query.getParams().getNumHits());

    if (query.getParams().getSortField() == null) {
        //      solrQuery.setFields(query.getParams().getDedupField(), "score", searchUID);
        query.getParams().setSortField("score");
    } else {// ww  w .  j  av a2  s.  co m
        //      solrQuery.setFields(query.getParams().getDedupField(), query
        //          .getParams().getSortField(), searchUID);
        //      solrQuery.setSortField(query.getParams().getSortField(), query
        //          .getParams().isReverse() ? ORDER.asc : ORDER.desc);

        solrQuery.setSort(query.getParams().getSortField(),
                query.getParams().isReverse() ? ORDER.asc : ORDER.desc);
    }

    solrQuery.set("fl", "id,url,title,tstamp,type,content,segment,score");
    solrQuery.setHighlight(true);
    solrQuery.set("hl.fl", "title,content");
    solrQuery.set("hl.simple.pre", "<span class=highlight>");
    solrQuery.set("hl.simple.post", "</span>");
    solrQuery.set("defType", "edismax");
    solrQuery.set("qf", "title^4 content");

    QueryResponse response;
    try {
        response = solr.query(solrQuery);
    } catch (final SolrServerException e) {
        throw makeIOException(e);
    }

    final SolrDocumentList docList = response.getResults();

    Map<String, Map<String, List<String>>> highlights = response.getHighlighting();

    int qtime = response.getQTime();

    final Hit[] hitArr = new Hit[docList.size()];
    for (int i = 0; i < hitArr.length; i++) {
        final SolrDocument solrDoc = docList.get(i);

        String url = (String) solrDoc.getFieldValue("url");
        String title = (String) solrDoc.getFieldValue("title");
        String content = (String) solrDoc.getFieldValue("content");

        final Object raw = solrDoc.getFirstValue(query.getParams().getSortField());
        WritableComparable sortValue;

        if (raw instanceof Integer) {
            sortValue = new IntWritable(((Integer) raw).intValue());
        } else if (raw instanceof Float) {
            sortValue = new FloatWritable(((Float) raw).floatValue());
        } else if (raw instanceof String) {
            sortValue = new Text((String) raw);
        } else if (raw instanceof Long) {
            sortValue = new LongWritable(((Long) raw).longValue());
        } else {
            throw new RuntimeException("Unknown sort value type!");
        }

        final String dedupValue = (String) solrDoc.getFirstValue(query.getParams().getDedupField());

        final String uniqueKey = (String) solrDoc.getFirstValue(searchUID);

        //    hitArr[i] = new Hit(uniqueKey, sortValue, dedupValue);
        SolrHit hit = new SolrHit(uniqueKey, sortValue, dedupValue);
        SolrHitDetails details = buildDetails(solrDoc);
        details.setHit(hit);
        hit.setHitDetails(details);

        hit.setTitleHighlighted(title);
        int len = (content.length() > 100 ? 100 : content.length());
        Summary.Fragment f = new Summary.Fragment(content.substring(0, len));
        Summary summary = new Summary();
        summary.add(f);
        hit.setSummary(summary);

        String titleHighlighted = "";
        if (highlights.containsKey(url)) {
            Map<String, List<String>> snippets = highlights.get(url);
            if (snippets.containsKey("title")) {
                titleHighlighted = snippets.get("title").get(0);
                hit.setTitleHighlighted(titleHighlighted);
            }

            if (snippets.containsKey("content")) {
                f = new Summary.Fragment(snippets.get("content").get(0));
                summary = new Summary();
                summary.add(f);
                hit.setSummary(summary);
            }
        }

        hitArr[i] = hit;
    }

    return new Hits(docList.getNumFound(), hitArr);
}

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

License:Apache License

/**
 * Runs a query on the Solr Search Engine and returns the results.
 * <p>//  ww w .j av a  2s .  co 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
    HttpSolrClient client = null;
    String solrIndexName = (String) context.get("indexName");
    Map<String, Object> result;
    try {
        client = SolrUtil.getInstance().getHttpSolrClient(solrIndexName);
        // 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("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 (context.get("viewIndex") != null && (Integer) context.get("viewIndex") > 0) {
            solrQuery.setStart((Integer) context.get("viewIndex"));
        }
        if (context.get("viewSize") != null && (Integer) context.get("viewSize") > 0) {
            solrQuery.setRows((Integer) context.get("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 = client.query(solrQuery);
        result = ServiceUtil.returnSuccess();
        result.put("queryResult", rsp);
    } catch (Exception e) {
        Debug.logError(e, e.getMessage(), module);
        result = ServiceUtil.returnError(e.toString());
    } finally {
        if (client != null) {
            try {
                client.close();
            } catch (IOException e) {
                // do nothing
            }
        }
    }
    return result;
}

From source file:org.dspace.discovery.SolrServiceImpl.java

License:BSD License

protected SolrQuery resolveToSolrQuery(Context context, DiscoverQuery discoveryQuery,
        boolean includeUnDiscoverable) {
    SolrQuery solrQuery = new SolrQuery();

    String query = "*:*";
    if (discoveryQuery.getQuery() != null) {
        query = discoveryQuery.getQuery();
    }//from   w w  w .  ja  va  2  s .  com

    solrQuery.setQuery(query);
    if (discoveryQuery.isSpellCheck()) {
        solrQuery.setParam(SpellingParams.SPELLCHECK_Q, query);
        solrQuery.setParam(SpellingParams.SPELLCHECK_COLLATE, Boolean.TRUE);
        solrQuery.setParam("spellcheck", Boolean.TRUE);
    }

    if (!includeUnDiscoverable) {
        solrQuery.addFilterQuery("NOT(withdrawn:true)");
        solrQuery.addFilterQuery("NOT(discoverable:false)");
    }

    for (int i = 0; i < discoveryQuery.getFilterQueries().size(); i++) {
        String filterQuery = discoveryQuery.getFilterQueries().get(i);
        solrQuery.addFilterQuery(filterQuery);
    }
    if (discoveryQuery.getDSpaceObjectFilter() != -1) {
        solrQuery.addFilterQuery("search.resourcetype:" + discoveryQuery.getDSpaceObjectFilter());
    }

    for (int i = 0; i < discoveryQuery.getFieldPresentQueries().size(); i++) {
        String filterQuery = discoveryQuery.getFieldPresentQueries().get(i);
        solrQuery.addFilterQuery(filterQuery + ":[* TO *]");
    }

    if (discoveryQuery.getStart() != -1) {
        solrQuery.setStart(discoveryQuery.getStart());
    }

    if (discoveryQuery.getMaxResults() != -1) {
        solrQuery.setRows(discoveryQuery.getMaxResults());
    }

    if (discoveryQuery.getSortField() != null) {
        SolrQuery.ORDER order = SolrQuery.ORDER.asc;
        if (discoveryQuery.getSortOrder().equals(DiscoverQuery.SORT_ORDER.desc))
            order = SolrQuery.ORDER.desc;

        solrQuery.addSortField(discoveryQuery.getSortField(), order);
    }

    for (String property : discoveryQuery.getProperties().keySet()) {
        List<String> values = discoveryQuery.getProperties().get(property);
        solrQuery.add(property, values.toArray(new String[values.size()]));
    }

    List<DiscoverFacetField> facetFields = discoveryQuery.getFacetFields();
    if (0 < facetFields.size()) {
        //Only add facet information if there are any facets
        for (DiscoverFacetField facetFieldConfig : facetFields) {
            String field = transformFacetField(facetFieldConfig, facetFieldConfig.getField(), false);
            solrQuery.addFacetField(field);

            // Setting the facet limit in this fashion ensures that each facet can have its own max
            solrQuery.add("f." + field + "." + FacetParams.FACET_LIMIT,
                    String.valueOf(facetFieldConfig.getLimit()));
            String facetSort;
            if (DiscoveryConfigurationParameters.SORT.COUNT.equals(facetFieldConfig.getSortOrder())) {
                facetSort = FacetParams.FACET_SORT_COUNT;
            } else {
                facetSort = FacetParams.FACET_SORT_INDEX;
            }
            solrQuery.add("f." + field + "." + FacetParams.FACET_SORT, facetSort);
            if (facetFieldConfig.getOffset() != -1) {
                solrQuery.setParam("f." + field + "." + FacetParams.FACET_OFFSET,
                        String.valueOf(facetFieldConfig.getOffset()));
            }
            if (facetFieldConfig.getPrefix() != null) {
                solrQuery.setFacetPrefix(field, facetFieldConfig.getPrefix());
            }
        }

        List<String> facetQueries = discoveryQuery.getFacetQueries();
        for (String facetQuery : facetQueries) {
            solrQuery.addFacetQuery(facetQuery);
        }

        if (discoveryQuery.getFacetMinCount() != -1) {
            solrQuery.setFacetMinCount(discoveryQuery.getFacetMinCount());
        }

        solrQuery.setParam(FacetParams.FACET_OFFSET, String.valueOf(discoveryQuery.getFacetOffset()));
    }

    if (0 < discoveryQuery.getHitHighlightingFields().size()) {
        solrQuery.setHighlight(true);
        solrQuery.add(HighlightParams.USE_PHRASE_HIGHLIGHTER, Boolean.TRUE.toString());
        for (DiscoverHitHighlightingField highlightingField : discoveryQuery.getHitHighlightingFields()) {
            solrQuery.addHighlightField(highlightingField.getField() + "_hl");
            solrQuery.add("f." + highlightingField.getField() + "_hl." + HighlightParams.FRAGSIZE,
                    String.valueOf(highlightingField.getMaxChars()));
            solrQuery.add("f." + highlightingField.getField() + "_hl." + HighlightParams.SNIPPETS,
                    String.valueOf(highlightingField.getMaxSnippets()));
        }

    }

    //Add any configured search plugins !
    List<SolrServiceSearchPlugin> solrServiceSearchPlugins = new DSpace().getServiceManager()
            .getServicesByType(SolrServiceSearchPlugin.class);
    for (SolrServiceSearchPlugin searchPlugin : solrServiceSearchPlugins) {
        searchPlugin.additionalSearchParameters(context, discoveryQuery, solrQuery);
    }
    return solrQuery;
}

From source file:org.eclipse.rdf4j.sail.solr.SolrIndex.java

License:Open Source License

/**
 * Parse the passed query./*from   w  w  w . j  ava  2 s  .co m*/
 * 
 * @param query
 *        string
 * @return the parsed query
 * @throws ParseException
 *         when the parsing brakes
 */
@Override
protected Iterable<? extends DocumentScore> query(Resource subject, String query, URI propertyURI,
        boolean highlight) throws MalformedQueryException, IOException {
    SolrQuery q = prepareQuery(propertyURI, new SolrQuery(query));
    if (highlight) {
        q.setHighlight(true);
        String field = (propertyURI != null) ? SearchFields.getPropertyField(propertyURI) : "*";
        q.addHighlightField(field);
        q.setHighlightSimplePre(SearchFields.HIGHLIGHTER_PRE_TAG);
        q.setHighlightSimplePost(SearchFields.HIGHLIGHTER_POST_TAG);
        q.setHighlightSnippets(2);
    }

    QueryResponse response;
    if (q.getHighlight()) {
        q.addField("*");
    } else {
        q.addField(SearchFields.URI_FIELD_NAME);
    }
    q.addField("score");
    try {
        if (subject != null) {
            response = search(subject, q);
        } else {
            response = search(q);
        }
    } catch (SolrServerException e) {
        throw new IOException(e);
    }
    SolrDocumentList results = response.getResults();
    final Map<String, Map<String, List<String>>> highlighting = response.getHighlighting();
    return Iterables.transform(results, new Function<SolrDocument, DocumentScore>() {

        @Override
        public DocumentScore apply(SolrDocument document) {
            SolrSearchDocument doc = new SolrSearchDocument(document);
            Map<String, List<String>> docHighlighting = (highlighting != null) ? highlighting.get(doc.getId())
                    : null;
            return new SolrDocumentScore(doc, docHighlighting);
        }
    });
}

From source file:org.emonocot.persistence.dao.hibernate.SearchableDaoImpl.java

License:Open Source License

public List<Match> autocomplete(final String query, Integer pageSize, Map<String, String> selectedFacets)
        throws SolrServerException {
    SolrQuery solrQuery = new SolrQuery();

    if (query != null && !query.trim().equals("")) {
        //String searchString = query.trim().replace(" ", "+");
        solrQuery.setQuery(query);//from w  w w .  j ava 2s . co m
    } else {
        return new ArrayList<Match>();
    }

    // Filter the searchable objects out
    solrQuery.addFilterQuery("base.class_searchable_b:" + isSearchableObject());

    // Set additional result parameters
    //solrQuery.setRows(pageSize);
    int rows = 100;
    solrQuery.setRows(rows);

    if (selectedFacets != null && !selectedFacets.isEmpty()) {
        for (String facetName : selectedFacets.keySet()) {
            solrQuery.addFilterQuery(facetName + ":" + selectedFacets.get(facetName));
        }
    }

    solrQuery.set("defType", "edismax");
    solrQuery.set("qf", "autocomplete^3 autocompleteng");
    solrQuery.set("pf", "autocompletenge");
    solrQuery.set("fl", "autocomplete,id");
    solrQuery.setHighlight(true);
    solrQuery.set("hl.fl", "autocomplete");
    solrQuery.set("hl.snippets", 3);
    solrQuery.setHighlightSimplePre("<b>");
    solrQuery.setHighlightSimplePost("</b>");
    //solrQuery.setSortField("autocomplete", SolrQuery.ORDER.valueOf("desc"));
    /*
    solrQuery.set("group","true");
    solrQuery.set("group.field", "autocomplete");
     */

    QueryResponse queryResponse = solrServer.query(solrQuery);

    List<Match> results = new ArrayList<Match>();
    Map<String, Match> matchMap = new HashMap<String, Match>();

    for (SolrDocument solrDocument : queryResponse.getResults()) {
        Match match = new Match();
        String label = filter((String) solrDocument.get("autocomplete"));
        match.setLabel(label);
        match.setValue(label);
        matchMap.put((String) solrDocument.get("id"), match);
        results.add(match);
    }

    List<Match> distinctResults = removeDuplicates(results);

    List<Match> subResults1 = new ArrayList<Match>(); //ExactMatch
    List<Match> subResults2 = new ArrayList<Match>();

    for (Match item : distinctResults) {
        if ((item.getLabel().toLowerCase().startsWith(query.toLowerCase()))) {
            subResults1.add(item);
        } else {
            subResults2.add(item);
        }
    }

    if (subResults1.size() > 0) {
        Collections.sort(subResults1);
    }

    /*
    Collections.sort(subResults1, new Comparator() {
       @Override
       public int compare(Object matchOne, Object matchTwo) {
    //use instanceof to verify the references are indeed of the type in question
    return ((Match)matchOne).getLabel()
          .compareTo(((Match)matchTwo).getLabel());
       }
    });
    */

    subResults1.addAll(subResults2);
    List<Match> subResults = subResults1;

    List<Match> finalResults = new ArrayList<Match>();

    if (subResults.size() > 10) {
        finalResults = subResults.subList(0, 10);
    } else {
        finalResults = subResults;
    }

    //subResults = finalResults;

    /*
    for(GroupCommand groupCommand : queryResponse.getGroupResponse().getValues()) {
       for (Group group : groupCommand.getValues()) {
    for (SolrDocument solrDocument : group.getResult()) {
       Match match = new Match();
       String label = filter((String) solrDocument.get("autocomplete"));
       match.setLabel(label);
       match.setValue(label);
       matchMap.put((String) solrDocument.get("id"), match);
       results.add(match);
    }
       }
    }
    */
    for (String documentId : matchMap.keySet()) {
        if (queryResponse.getHighlighting().containsKey(documentId)) {
            Map<String, List<String>> highlightedTerms = queryResponse.getHighlighting().get(documentId);
            if (highlightedTerms.containsKey("autocomplete")) {
                matchMap.get(documentId).setLabel(highlightedTerms.get("autocomplete").get(0));
            }
        }
    }

    //return results;
    return finalResults;
}