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

Introduction

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

Prototype

public SolrQuery() 

Source Link

Usage

From source file:au.org.ala.biocache.dao.SearchDAOImpl.java

License:Open Source License

/**
 * @see au.org.ala.biocache.dao.SearchDAO#findByFulltext(SpatialSearchRequestParams)
 *///from   w  w w. j  a  v  a  2 s.c o m
@Override
public SolrDocumentList findByFulltext(SpatialSearchRequestParams searchParams) throws Exception {
    SolrDocumentList sdl = null;

    try {
        queryFormatUtils.formatSearchQuery(searchParams);
        String queryString = searchParams.getFormattedQuery();
        SolrQuery solrQuery = new SolrQuery();
        solrQuery.setQuery(queryString);
        solrQuery.setFields(searchParams.getFl());
        solrQuery.setFacet(false);
        solrQuery.setRows(searchParams.getPageSize());

        sdl = runSolrQuery(solrQuery, searchParams).getResults();
    } catch (SolrServerException ex) {
        logger.error("Problem communicating with SOLR server. " + ex.getMessage(), ex);
    }

    return sdl;
}

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From source file:au.org.ala.biocache.dao.SearchDAOImpl.java

License:Open Source License

/**
 * @see au.org.ala.biocache.dao.SearchDAO#getStatistics(SpatialSearchRequestParams)
 *//*from   w w w  .  j  a  v a  2  s  .co m*/
public Map<String, FieldStatsInfo> getStatistics(SpatialSearchRequestParams searchParams) throws Exception {
    try {
        queryFormatUtils.formatSearchQuery(searchParams);
        String queryString = searchParams.getFormattedQuery();
        SolrQuery solrQuery = new SolrQuery();
        solrQuery.setQuery(queryString);
        for (String field : searchParams.getFacets()) {
            solrQuery.setGetFieldStatistics(field);
        }
        QueryResponse qr = runSolrQuery(solrQuery, searchParams);
        if (logger.isDebugEnabled()) {
            logger.debug(qr.getFieldStatsInfo());
        }
        return qr.getFieldStatsInfo();

    } catch (SolrServerException ex) {
        logger.error("Problem communicating with SOLR server. " + ex.getMessage(), ex);
    }
    return null;
}

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From source file:au.org.ala.biocache.dao.SearchDAOImpl.java

License:Open Source License

@Cacheable(cacheName = "legendCache")
public List<LegendItem> getLegend(SpatialSearchRequestParams searchParams, String facetField,
        String[] cutpoints) throws Exception {
    List<LegendItem> legend = new ArrayList<LegendItem>();

    queryFormatUtils.formatSearchQuery(searchParams);
    if (logger.isInfoEnabled()) {
        logger.info("search query: " + searchParams.getFormattedQuery());
    }//from  w  ww. ja v  a  2s  .  c o  m
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQueryType("standard");
    solrQuery.setQuery(searchParams.getFormattedQuery());
    solrQuery.setRows(0);
    solrQuery.setFacet(true);

    //is facet query?
    if (cutpoints == null) {
        //special case for the decade
        if (DECADE_FACET_NAME.equals(facetField))
            initDecadeBasedFacet(solrQuery, "occurrence_year");
        else
            solrQuery.addFacetField(facetField);
    } else {
        solrQuery.addFacetQuery("-" + facetField + ":[* TO *]");

        for (int i = 0; i < cutpoints.length; i += 2) {
            solrQuery.addFacetQuery(facetField + ":[" + cutpoints[i] + " TO " + cutpoints[i + 1] + "]");
        }
    }

    solrQuery.setFacetMinCount(1);
    solrQuery.setFacetLimit(-1);//MAX_DOWNLOAD_SIZE);  // unlimited = -1

    solrQuery.setFacetMissing(true);

    QueryResponse qr = runSolrQuery(solrQuery, searchParams.getFormattedFq(), 1, 0, "score", "asc");
    List<FacetField> facets = qr.getFacetFields();
    if (facets != null) {
        for (FacetField facet : facets) {
            List<FacetField.Count> facetEntries = facet.getValues();
            if (facet.getName().contains(facetField) && (facetEntries != null) && (facetEntries.size() > 0)) {
                int i = 0;
                for (i = 0; i < facetEntries.size(); i++) {
                    FacetField.Count fcount = facetEntries.get(i);
                    if (fcount.getCount() > 0) {
                        String fq = facetField + ":\"" + fcount.getName() + "\"";
                        if (fcount.getName() == null) {
                            fq = "-" + facetField + ":[* TO *]";
                        }
                        legend.add(new LegendItem(fcount.getName(), fcount.getCount(), fq));
                    }
                }
                break;
            }
        }
    }
    //check if we have query based facets
    Map<String, Integer> facetq = qr.getFacetQuery();
    if (facetq != null && facetq.size() > 0) {
        for (Entry<String, Integer> es : facetq.entrySet()) {
            legend.add(new LegendItem(es.getKey(), es.getValue(), es.getKey()));
        }
    }

    //check to see if we have a date range facet
    List<FacetField> facetDates = qr.getFacetDates();
    if (facetDates != null && !facetDates.isEmpty()) {
        FacetField ff = facetDates.get(0);
        String firstDate = null;
        for (FacetField.Count facetEntry : ff.getValues()) {
            String startDate = facetEntry.getName();
            if (firstDate == null) {
                firstDate = startDate;
            }
            String finishDate;
            if (DECADE_PRE_1850_LABEL.equals(startDate)) {
                startDate = "*";
                finishDate = firstDate;
            } else {
                int startYear = Integer.parseInt(startDate.substring(0, 4));
                finishDate = (startYear - 1) + "-12-31T23:59:59Z";
            }
            legend.add(new LegendItem(facetEntry.getName(), facetEntry.getCount(),
                    "occurrence_year:[" + startDate + " TO " + finishDate + "]"));
        }
    }
    return legend;
}

---

From source file:au.org.ala.biocache.dao.SearchDAOImpl.java

License:Open Source License

public FacetField getFacet(SpatialSearchRequestParams searchParams, String facet) throws Exception {
    queryFormatUtils.formatSearchQuery(searchParams);
    if (logger.isInfoEnabled()) {
        logger.info("search query: " + searchParams.getFormattedQuery());
    }//w w  w .j  a va 2s .c om
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQueryType("standard");
    solrQuery.setQuery(searchParams.getFormattedQuery());
    solrQuery.setRows(0);
    solrQuery.setFacet(true);
    solrQuery.addFacetField(facet);
    solrQuery.setFacetMinCount(1);
    solrQuery.setFacetLimit(-1); //MAX_DOWNLOAD_SIZE);  // unlimited = -1

    QueryResponse qr = runSolrQuery(solrQuery, searchParams.getFormattedFq(), 1, 0, "score", "asc");
    return qr.getFacetFields().get(0);
}

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From source file:au.org.ala.biocache.dao.SearchDAOImpl.java

License:Open Source License

public Map<String, Integer> getOccurrenceCountsForTaxa(List<String> taxa) throws Exception {
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQueryType("standard");
    solrQuery.setRows(0);/*from  w  w w.j av a 2 s. c om*/
    solrQuery.setFacet(true);
    solrQuery.setFacetLimit(taxa.size());
    StringBuilder sb = new StringBuilder();
    Map<String, Integer> counts = new HashMap<String, Integer>();
    Map<String, String> lftToGuid = new HashMap<String, String>();
    for (String lsid : taxa) {
        //get the lft and rgt value for the taxon
        String[] values = searchUtils.getTaxonSearch(lsid);
        //first value is the search string
        if (sb.length() > 0)
            sb.append(" OR ");
        sb.append(values[0]);
        lftToGuid.put(values[0], lsid);
        //add the query part as a facet
        solrQuery.add("facet.query", values[0]);
    }
    solrQuery.setQuery(sb.toString());

    //solrQuery.add("facet.query", "confidence:" + os.getRange());
    QueryResponse qr = runSolrQuery(solrQuery, null, 1, 0, "score", "asc");
    Map<String, Integer> facetQueries = qr.getFacetQuery();
    for (String facet : facetQueries.keySet()) {
        //add all the counts based on the query value that was substituted
        String lsid = lftToGuid.get(facet);
        Integer count = facetQueries.get(facet);
        if (lsid != null && count != null)
            counts.put(lsid, count);
    }
    if (logger.isDebugEnabled()) {
        logger.debug(facetQueries);
    }
    return counts;
}

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From source file:au.org.ala.biocache.dao.SearchDAOImpl.java

License:Open Source License

/**
 * Get SOLR max boolean clauses.//from  w w w .ja v  a  2s .  c om
 *
 * @return
 */
public int getMaxBooleanClauses() {
    if (maxBooleanClauses == 0) {
        SolrQuery solrQuery = new SolrQuery();
        solrQuery.setFacet(false);
        solrQuery.setRows(0);

        int value = 1024;
        boolean ok = false;
        int step = -1;
        while (step != 0 || ok == false) {
            String q = 1 + StringUtils.repeat(" AND 1", value - 1);
            solrQuery.setQuery(q);
            try {
                query(solrQuery, queryMethod); //throws exception when too many boolean clauses
                if (step == -1)
                    value *= 2; //push upper limit
                else
                    step /= 2;
                ok = true;
            } catch (Exception e) {
                if (step == -1)
                    step = value / 2; //set initial step value
                else if (ok == false && step > 1)
                    step /= 2;
                ok = false;
            }
            if (step != -1) {
                if (ok)
                    value += step;
                else
                    value -= step;
            }
        }
        maxBooleanClauses = value;
    }

    queryFormatUtils.setMaxBooleanClauses(maxBooleanClauses);

    return maxBooleanClauses;
}

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From source file:au.org.intersect.dms.catalogue.db.SolrIndexFacade.java

License:Open Source License

/**
 * Returns all datasets owned by the user matching specified full text search query
 * //from  w w w  . j  a v a2 s  . c  o m
 * @param username
 *            username of the owner in DMS system
 * @param userProjects
 *            list of project codes from booking system this username belongs to
 * @param query
 *            full text search query
 * @param startIndex
 *            index of the first dataset to display on the curect page
 * @param pageSize
 *            max number of datasets to display on each page
 * @return datasets of this user (one page)
 */
public DatasetSearchResult findDatasets(String username, List<Long> projects, String query, int startIndex,
        int pageSize) {
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setFields(ID);
    solrQuery.setStart(startIndex);
    solrQuery.setRows(pageSize);
    solrQuery.setSortField(ID, ORDER.asc);
    StringBuilder queryString = new StringBuilder();
    if (query == null || "".equals(query)) {
        queryString.append("dataset.metadata_t:*");
    } else {
        queryString.append(query);
    }
    queryString.append(" AND (dataset.owner_s:").append(username);

    String projectQuery = buildProjectCriteria(projects);
    if (!projectQuery.isEmpty()) {
        queryString.append(" OR ").append(projectQuery);
    }
    queryString.append(")");

    solrQuery.setQuery(queryString.toString());
    QueryResponse solrResponse = DbDataset.search(solrQuery);
    SolrDocumentList docs = solrResponse.getResults();

    List<Dataset> datasets = convertSolrDocuments2Datasets(docs);

    DatasetSearchResult result = new DatasetSearchResult();
    result.setDatasets(datasets);
    result.setTotalSize(docs != null ? docs.getNumFound() : 0);
    return result;
}

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From source file:brooklyn.entity.nosql.solr.SolrJSupport.java

License:Apache License

public Iterable<SolrDocument> getDocuments() throws Exception {
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQuery("*:*");

    return server.query(solrQuery).getResults();
}

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From source file:cn.edu.pku.lib.dataverse.SolrSearchServiceBean.java

public long getDatasetCount() throws SearchException {
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQuery("*:*");
    solrQuery.setFilterQueries(SearchFields.TYPE + ":datasets", SearchFields.PUBLICATION_STATUS + ":Published");
    solrQuery.setStart(0);/*from  ww  w . j  a  v  a 2s  . c  o m*/
    solrQuery.setRows(0);
    QueryResponse queryResponse = null;
    try {
        queryResponse = solrServer.query(solrQuery);
        return queryResponse.getResults().getNumFound();
    } catch (HttpSolrServer.RemoteSolrException | SolrServerException ex) {
        logger.log(Level.INFO, null, ex);
        throw new SearchException("Internal Dataverse Search Engine Error", ex);
    }
}

---

From source file:cn.edu.pku.lib.dataverse.SolrSearchServiceBean.java

public long getDataverseCount() throws SearchException {
    SolrQuery solrQuery = new SolrQuery();
    solrQuery.setQuery("*:*");
    solrQuery.setFilterQueries(SearchFields.TYPE + ":dataverses",
            SearchFields.PUBLICATION_STATUS + ":Published");
    solrQuery.setStart(0);//from w ww. j  a v a  2 s  .c  om
    solrQuery.setRows(0);
    QueryResponse queryResponse = null;
    try {
        queryResponse = solrServer.query(solrQuery);
        return queryResponse.getResults().getNumFound();
    } catch (HttpSolrServer.RemoteSolrException | SolrServerException ex) {
        logger.log(Level.INFO, null, ex);
        throw new SearchException("Internal Dataverse Search Engine Error", ex);
    }
}

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