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

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

Introduction

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

Prototype

public SolrQuery setSort(String field, ORDER order) 

Source Link

Document

Replaces the current sort information with a single sort clause

Usage

From source file:com.doculibre.constellio.stats.StatsSearcher.java

License:Open Source License

public QueryResponse getMostClickedDocsForQuery(String collectionName, String query, SolrServer server,
        int start, int row) throws SolrServerException {
    String escapedQuery = StatsCompiler.escape(query);
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setStart(start);//  w  w w  .  j  a  v  a  2 s  .com
    solrQuery.setRows(row);
    solrQuery.setSort("nbclick", SolrQuery.ORDER.desc);
    StringBuffer querySB = new StringBuffer(
            "collectionName:" + collectionName + " query:\"" + escapedQuery + "\"");
    solrQuery.setQuery(querySB.toString());
    return server.query(solrQuery);
}

From source file:com.doculibre.constellio.stats.StatsSearcher.java

License:Open Source License

public QueryResponse getMostClickedQueriesForURL(String collectionName, String url, SolrServer server,
        int start, int row) throws SolrServerException {
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setStart(start);// w ww .jav  a2 s.  c o  m
    solrQuery.setRows(row);
    solrQuery.setSort("nbclick", SolrQuery.ORDER.desc);
    StringBuffer querySB = new StringBuffer("collectionName:" + collectionName + " url:\"" + url + "\"");
    solrQuery.setQuery(querySB.toString());
    return server.query(solrQuery);
}

From source file:com.github.fengtan.sophie.tables.DocumentsTable.java

License:Open Source License

/**
 * Get document to display at a specific row index. The document is
 * retrieved from the cache. If it is not in the cache, then we fetch a new
 * page of results and we populate the cache.
 * /*  ww w  .  java  2 s.com*/
 * @param rowIndex
 *            Row index.
 * @return Solr document.
 * @throws SophieException
 *             If the document could not be fetched from Solr.
 */
private SolrDocument getRemoteDocument(int rowIndex) throws SophieException {
    // Compute page ID.
    int page = rowIndex / PAGE_SIZE;

    // If page is not in the cache, then fetch it from Solr and populate the
    // cache.
    if (!pages.containsKey(page)) {
        SolrQuery query = getBaseQuery(page * PAGE_SIZE, PAGE_SIZE);
        query.setSort(sortField, sortOrder);
        try {
            pages.put(page, Sophie.client.query(query).getResults());
        } catch (SolrServerException | IOException | SolrException e) {
            throw new SophieException("Unable to fetch remote document " + rowIndex, e);
        }
    }

    // Return Solr document from the cache.
    return pages.get(page).get(rowIndex % PAGE_SIZE);
}

From source file:com.idealista.solrmeter.model.service.impl.QueryServiceSolrJImpl.java

License:Apache License

protected SolrQuery createQuery(String q, String fq, String qt, boolean highlight, String facetFields,
        String sort, String sortOrder, Integer rows, Integer start, String otherParams) throws QueryException {
    SolrQuery query = new SolrQuery();
    if (q != null) {
        query.setQuery(q);//ww  w .  j  a  v  a 2s .c o m
    }
    if (fq != null) {
        List<String> filterQueries = this.getFilterQueries(fq);
        for (String filterQuery : filterQueries) {
            query.addFilterQuery(filterQuery);
        }
    }

    query.setHighlight(highlight);
    if (facetFields == null || "".equals(facetFields)) {
        query.setFacet(false);
    } else {
        query.setFacet(true);
        List<String> facets = this.getFacets(facetFields);
        for (String facet : facets) {
            query.addFacetField(facet);
        }
    }
    if (sort != null && !"".equals(sort)) {
        query.setSort(sort, ORDER.valueOf(sortOrder));
    }
    if (rows != null && rows < 0) {
        throw new QueryException("Rows can't be less than 0");
    } else if (rows != null) {
        query.setRows(rows);
    }
    if (start != null && start < 0) {
        throw new QueryException("Rows can't be less than 0");
    } else if (start != null) {
        query.setStart(start);
    }

    if (otherParams != null) {
        List<String> params = this.getOtherParams(otherParams);
        for (String param : params) {
            query.add(getParamName(param), getParamValue(param));
        }
    }
    return query;
}

From source file:com.ifactory.press.db.solr.processor.UpdateDocValuesTest.java

License:Apache License

private void assertDocValues(int n) throws SolrServerException {
    SolrQuery query = new SolrQuery("*:*");

    query.setSort(WEIGHT_DV, ORDER.desc);
    assertEquals(uri(1), getFirstUri(query));

    query.setSort(WEIGHT_DV, ORDER.asc);
    assertEquals(uri(n), getFirstUri(query));
}

From source file:com.ifactory.press.db.solr.processor.UpdateDocValuesTest.java

License:Apache License

private void assertNoDocValues() throws SolrServerException {
    SolrQuery query = new SolrQuery("*:*");

    String firstUri = getFirstUri(query);

    // with no doc values, should get the same doc first:
    query.setSort(WEIGHT_DV, ORDER.desc);
    assertEquals(firstUri, getFirstUri(query));

    // no matter what the order is
    query.setSort(WEIGHT_DV, ORDER.asc);
    assertEquals(firstUri, getFirstUri(query));
}

From source file:cz.incad.vdk.client.tools.Search.java

License:Open Source License

public String getAsXML() throws JSONException {

    try {/*from   w  ww  . j  a  v  a 2 s .  c o m*/

        String q = req.getParameter("q");
        SolrQuery query = new SolrQuery();
        if (q == null || q.equals("")) {
            q = "*:*";
            query.setSort("_version_", SolrQuery.ORDER.desc);
        }
        query.setQuery(q);
        query.set("q.op", "AND");
        query.setFacet(true);
        query.setStart(getStart());
        query.setRows(getRows());

        if (LoggedController.isLogged(req)) {
            query.addFacetField(opts.getStrings("user_facets"));
        }
        query.addFacetField(opts.getStrings("facets"));

        query.setFacetMinCount(1);

        JSONObject others = opts.getJSONObject("otherParams");
        Iterator keys = others.keys();
        while (keys.hasNext()) {
            String key = (String) keys.next();
            Object val = others.get(key);
            if (val instanceof Integer) {
                query.set(key, (Integer) val);
            } else if (val instanceof String) {
                query.set(key, (String) val);
            } else if (val instanceof Boolean) {
                query.set(key, (Boolean) val);
            }

        }
        addFilters(query);

        return IndexerQuery.xml(query);
    } catch (IOException ex) {
        LOGGER.log(Level.SEVERE, null, ex);
        return null;
    }
}

From source file:de.fatalix.bookery.bl.solr.SolrHandler.java

License:Open Source License

public QueryResponse searchSolrIndexSorted(String queryString, String fields, int rows, int startOffset,
        String sortField) throws SolrServerException {
    SolrServer solr = null;/*w  w  w  . j  a  v a2 s. c  om*/
    try {
        solr = bookeryService.getSolrConnection();
    } catch (IOException ex) {
        throw new SolrServerException(ex.getMessage());
    }
    SolrQuery query = new SolrQuery();
    query.setQuery(queryString);
    query.setRows(rows);
    query.setStart(startOffset);
    query.setSort(sortField, SolrQuery.ORDER.desc);
    query.setFields(fields);
    QueryResponse rsp = solr.query(query);
    return rsp;
}

From source file:edu.harvard.lib.lcloud.ItemDAO.java

License:Open Source License

/**
 * Returns a SolrDocumentList for a given set of search parameters. Search parameters are parsed 
 * and mapped into solr (solrj) query syntax, and solr query is performed.
 * @param queryParams query parameters to map to a solr query
 * @return      the SolrDocumentList for this query
 * @see         SolrDocumentList//from  w  w w. j a v  a  2s  .c o  m
 */

private SolrDocumentList doQuery(MultivaluedMap<String, String> queryParams) {
    SolrDocumentList docs = null;
    HttpSolrServer server = null;
    ArrayList<String> queryList = new ArrayList<String>();
    server = SolrServer.getSolrConnection();
    SolrQuery query = new SolrQuery();
    for (String key : queryParams.keySet()) {
        String value = queryParams.getFirst(key);
        System.out.println(key + " : " + queryParams.getFirst(key) + "\n");
        if (key.equals("start")) {
            int startNo = Integer.parseInt(value);
            if (startNo < 0)
                startNo = 0;
            query.setStart(startNo);
        } else if (key.equals("limit")) {
            limit = Integer.parseInt(value);
            query.setRows(limit);
        } else if (key.equals("sort.asc") || key.equals("sort"))
            query.setSort(value, ORDER.asc);
        else if (key.equals("sort.desc"))
            query.setSort(value, ORDER.desc);
        else if (key.startsWith("facet")) {
            query.setFacet(true);
            String[] facetArray = value.split(",");
            for (String f : facetArray) {
                query.addFacetField(f);
            }
        } else {
            if (key.endsWith("_exact"))
                queryList.add(key.replace("_exact", "") + ":\"" + value + "\"");
            else {
                if (value.contains(" "))
                    value = "( " + value.replaceAll(" ", " AND ") + ")";
                if (key.equals("q"))
                    queryList.add("keyword:" + value);
                else
                    queryList.add(key + "_keyword:" + value);
            }
        }
    }

    Iterator<String> it = queryList.iterator();
    String queryStr = "";
    while (it.hasNext()) {
        String qTerm = (String) it.next();
        System.out.print("QT: " + qTerm + "\n");
        queryStr += qTerm;
        System.out.print("QS: " + queryStr + "\n");
        if (it.hasNext())
            queryStr += " AND ";
    }
    System.out.print("queryStr: " + queryStr);
    query.setQuery(queryStr);
    QueryResponse response = null;
    try {
        response = server.query(query);
    } catch (SolrServerException se) {
        log.error(se.getMessage());
        throw new BadParameterException(se.getMessage());
    } catch (RemoteSolrException rse) {
        if (rse.getMessage().contains("SyntaxError")) {
            log.error("solr syntax error");
            throw new BadParameterException("Incorrect query syntax");
        } else {
            String msg = rse.getMessage().replace("_keyword", "");
            log.error(msg);
            throw new BadParameterException("Incorrect query syntax:" + msg);
        }
    }
    List<FacetField> facets = response.getFacetFields();
    facet = null;
    if (facets != null) {
        facet = new Facet();
        List<FacetType> facetTypes = new ArrayList<FacetType>();
        for (FacetField facetField : facets) {
            List<FacetTerm> facetTerms = new ArrayList<FacetTerm>();
            FacetType facetType = new FacetType();
            facetType.setFacetName(facetField.getName());
            List<FacetField.Count> facetEntries = facetField.getValues();
            for (FacetField.Count fcount : facetEntries) {
                if (fcount.getCount() > 0) {
                    FacetTerm facetTerm = new FacetTerm();
                    facetTerm.setTermName(fcount.getName());
                    facetTerm.setTermCount(fcount.getCount());
                    //System.out.println(fcount.getName() + ": " + fcount.getCount());
                    facetTerms.add(facetTerm);
                }
            }
            facetType.setFacetTerms(facetTerms);
            facetTypes.add(facetType);
        }
        facet.setFacetTypes(facetTypes);
    }
    docs = response.getResults();
    return docs;
}

From source file:edu.unc.lib.dl.ui.service.SolrQueryLayerService.java

License:Apache License

/**
 * Retrieves a list of the nearest windowSize neighbors within the nearest parent collection or folder around the
 * item metadata, based on the order field of the item. The first windowSize - 1 neighbors are retrieved to each side
 * of the item, and trimmed so that there are always windowSize - 1 neighbors surrounding the item if possible. If no
 * order field is available, a list of arbitrary windowSize neighbors is returned.
 * // w  w  w.  j  a v  a2s  .  co m
 * @param metadata
 *           Record which the window pivots around.
 * @param windowSize
 *           max number of items in the window. This includes the pivot, so odd numbers are recommended.
 * @param accessGroups
 *           Access groups of the user making this request.
 * @return
 */
public List<BriefObjectMetadataBean> getNeighboringItems(BriefObjectMetadataBean metadata, int windowSize,
        AccessGroupSet accessGroups) {

    // Get the common access restriction clause (starts with "AND ...")

    StringBuilder accessRestrictionClause = new StringBuilder();

    try {
        addAccessRestrictions(accessRestrictionClause, accessGroups);
    } catch (AccessRestrictionException e) {
        // If the user doesn't have any access groups, they don't have access to anything, return null.
        LOG.error(e.getMessage());
        return null;
    }

    // Prepare the common query object, including a filter for resource type and the
    // facet which selects only the item's siblings.

    SolrQuery solrQuery = new SolrQuery();

    solrQuery.setFacet(true);
    solrQuery.addFilterQuery(solrSettings.getFieldName(SearchFieldKeys.RESOURCE_TYPE.name()) + ":File "
            + solrSettings.getFieldName(SearchFieldKeys.RESOURCE_TYPE.name()) + ":Aggregate");

    CutoffFacet ancestorPath = null;

    if (metadata.getResourceType().equals(searchSettings.resourceTypeFile)
            || metadata.getResourceType().equals(searchSettings.resourceTypeAggregate)) {
        ancestorPath = metadata.getAncestorPathFacet();
    } else {
        ancestorPath = metadata.getPath();
    }

    if (ancestorPath != null) {
        // We want only objects at the same level of the hierarchy
        ancestorPath.setCutoff(ancestorPath.getHighestTier() + 1);

        facetFieldUtil.addToSolrQuery(ancestorPath, solrQuery);
    }

    // If this item has no display order, get arbitrary items surrounding it.

    Long pivotOrder = metadata.getDisplayOrder();

    if (pivotOrder == null) {

        LOG.debug("No display order, just querying for " + windowSize + " siblings");

        StringBuilder query = new StringBuilder();

        List<BriefObjectMetadataBean> list = null;

        query.append("*:*");
        query.append(accessRestrictionClause);
        solrQuery.setQuery(query.toString());

        solrQuery.setStart(0);
        solrQuery.setRows(windowSize);

        solrQuery.setSort(solrSettings.getFieldName(SearchFieldKeys.DISPLAY_ORDER.name()),
                SolrQuery.ORDER.desc);

        try {
            QueryResponse queryResponse = this.executeQuery(solrQuery);
            list = queryResponse.getBeans(BriefObjectMetadataBean.class);
        } catch (SolrServerException e) {
            LOG.error("Error retrieving Neighboring items: " + e);
            return null;
        }

        return list;

        // Otherwise, query for items surrounding this item.

    } else {

        LOG.debug("Display order is " + pivotOrder);

        // Find the right and left lists

        StringBuilder query;

        List<BriefObjectMetadataBean> leftList = null;
        List<BriefObjectMetadataBean> rightList = null;

        solrQuery.setStart(0);
        solrQuery.setRows(windowSize - 1);

        // Right list

        query = new StringBuilder();

        query.append(solrSettings.getFieldName(SearchFieldKeys.DISPLAY_ORDER.name())).append(":[")
                .append(pivotOrder + 1).append(" TO *]");
        query.append(accessRestrictionClause);
        solrQuery.setQuery(query.toString());

        solrQuery.setSort(solrSettings.getFieldName(SearchFieldKeys.DISPLAY_ORDER.name()), SolrQuery.ORDER.asc);

        try {
            QueryResponse queryResponse = this.executeQuery(solrQuery);
            rightList = queryResponse.getBeans(BriefObjectMetadataBean.class);
        } catch (SolrServerException e) {
            LOG.error("Error retrieving Neighboring items: " + e);
            return null;
        }

        LOG.debug("Got " + rightList.size() + " items for right list");

        // Left list

        // (Note that display order stuff is reversed.)

        query = new StringBuilder();

        query.append(solrSettings.getFieldName(SearchFieldKeys.DISPLAY_ORDER.name())).append(":[* TO ")
                .append(pivotOrder - 1).append("]");
        query.append(accessRestrictionClause);
        solrQuery.setQuery(query.toString());

        solrQuery.setSort(solrSettings.getFieldName(SearchFieldKeys.DISPLAY_ORDER.name()),
                SolrQuery.ORDER.desc);

        try {
            QueryResponse queryResponse = this.executeQuery(solrQuery);
            leftList = queryResponse.getBeans(BriefObjectMetadataBean.class);
        } catch (SolrServerException e) {
            LOG.error("Error retrieving Neighboring items: " + e);
            return null;
        }

        LOG.debug("Got " + leftList.size() + " items for left list");

        // Trim the lists

        int halfWindow = windowSize / 2;

        // If we have enough in both lists, trim both to be
        // halfWindow long.

        if (leftList.size() >= halfWindow && rightList.size() >= halfWindow) {

            LOG.debug("Trimming both lists");

            leftList.subList(halfWindow, leftList.size()).clear();
            rightList.subList(halfWindow, rightList.size()).clear();

            // If we don't have enough in the left list and we have extra in the right list,
            // try to pick up the slack by trimming fewer items from the right list.

        } else if (leftList.size() < halfWindow && rightList.size() > halfWindow) {

            LOG.debug("Picking up slack from right list");

            // How much extra do we need from the right list?

            int extra = halfWindow - leftList.size();

            // Only "take" the extra (ie, clear less of the right list) if we have it available.

            if (halfWindow + extra < rightList.size())
                rightList.subList(halfWindow + extra, rightList.size()).clear();

        } else if (rightList.size() < halfWindow && leftList.size() > halfWindow) {

            LOG.debug("Picking up slack from left list");

            int extra = halfWindow - rightList.size();

            if (halfWindow + extra < leftList.size())
                leftList.subList(halfWindow + extra, leftList.size()).clear();

        }

        // (Otherwise, we do no trimming, since both lists are smaller or the same size
        // as the window.)

        // Assemble the result.

        Collections.reverse(leftList);
        leftList.add(metadata);
        leftList.addAll(rightList);

        return leftList;

    }

}