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:cz.zcu.kiv.eegdatabase.logic.search.FulltextSearchService.java

License:Apache License

/**
 * Gets the number of all documents matching the query.
 * @param queryString The query string.//w  w  w .  ja  v  a2 s  . c o  m
 * @return The number of all documents matching the query.
 */
public int getTotalNumberOfDocumentsForQuery(String queryString, ResultCategory category) {
    SolrQuery q = new SolrQuery();
    q.setQuery(queryString);
    if (category != null && !category.equals(ResultCategory.ALL)) {
        q.setFilterQueries(IndexField.CLASS.getValue() + ":\"" + category.getValue() + "\"");
    }
    q.setRows(0); // don't actually request any data
    try {
        return (int) solrServer.query(q).getResults().getNumFound();
    } catch (SolrServerException e) {
        log.error(e);
        e.getCause().printStackTrace();
    }
    return 0;
}

From source file:datacite.oai.provider.service.MDSSearchServiceSolrImpl.java

License:Open Source License

@Override
public DatasetRecordBean getDatasetByID(String id) throws ServiceException {
    SolrQuery query = new SolrQuery();
    query.setQuery("dataset_id:" + id);

    try {/*ww  w. j  a va2s .c  o m*/
        QueryResponse response = solrServer.query(query);
        if (response.getResults().isEmpty())
            return null;
        SolrDocument doc = response.getResults().get(0);
        return convertToRecord(doc);
    } catch (Exception e) {
        throw new ServiceException(e);
    }
}

From source file:datacite.oai.provider.service.MDSSearchServiceSolrImpl.java

License:Open Source License

static SolrQuery constructSolrQuery(Date updateDateFrom, Date updateDateTo, String setspec, int offset,
        int length) throws ServiceException {
    SolrQuery query = new SolrQuery();
    query.setQuery("*:*");
    query.setRows(length);/*from  w  w w. j  av a  2  s.  c o  m*/
    query.setStart(offset);
    query.setSortField("updated", ORDER.asc);

    setspec = StringUtils.trimToEmpty(setspec);
    if (setspec.contains(Constants.Set.BASE64_PART_DELIMITER)) {
        String split[] = setspec.split(Constants.Set.BASE64_PART_DELIMITER, 2);
        setspec = split[0];
        String base64 = split[1];
        String solrfilter = new String(Base64.decodeBase64(base64));
        logger.info("decoded base64 setspec: " + solrfilter);
        solrfilter = solrfilter.replaceAll("^[?&]+", "");

        List<NameValuePair> params = URLEncodedUtils.parse(solrfilter, Charset.defaultCharset());
        for (NameValuePair param : params) {
            String name = param.getName();
            String value = param.getValue();
            if (name.equals("q"))
                query.setQuery(value);
            else if (name.equals("fq"))
                query.addFilterQuery(value);
            else
                throw new ServiceException("parameter '" + name + "' is not supported");
        }
    }

    if (setspec != null && setspec.trim().length() > 0) {
        setspec = setspec.trim().toUpperCase();

        String field = setspec.contains(".") ? "datacentre_symbol" : "allocator_symbol";
        query.addFilterQuery(field + ":" + setspec);
    }

    String from = dateFormat.format(updateDateFrom);
    String to = dateFormat.format(updateDateTo);

    query.addFilterQuery("updated:[" + from + " TO " + to + "]");

    query.setParam(CommonParams.QT, "/api");

    return query;
}

From source file:datacite.oai.provider.service.MDSSearchServiceSolrImpl.java

License:Open Source License

@Override
public Pair<List<SetRecordBean>, Integer> getSets() throws ServiceException {
    SolrQuery query = new SolrQuery();
    query.setQuery("*:*");
    query.setRows(0);//from  w  w w.j  a  v a 2  s. c o  m
    query.setFacet(true);
    query.setFacetLimit(-1);
    query.addFacetField("allocator_facet", "datacentre_facet");

    try {
        QueryResponse response = solrServer.query(query);

        SortedSet<String> facetValues = new TreeSet<String>();
        for (FacetField facet : response.getFacetFields()) {
            for (Count count : facet.getValues()) {
                facetValues.add(count.getName());
            }
        }

        ArrayList<SetRecordBean> sets = new ArrayList<SetRecordBean>();
        for (String facetValue : facetValues) {
            String[] parts = facetValue.split(" - ", 2);
            String symbol = parts[0];
            String name = parts[1];
            sets.add(new SetRecordBean(symbol, name));
        }

        return new Pair<List<SetRecordBean>, Integer>(sets, sets.size());

    } catch (Exception e) {
        throw new ServiceException(e);
    }

}

From source file:ddf.catalog.cache.solr.impl.DynamicSchemaResolver.java

License:Open Source License

/**
 * Adds the fields that are already in the server to the cache. This method should be called
 * once the SolrServer is up to ensure the cache is synchronized with the server.
 * //w  w  w. j  a v  a  2s  .  c o  m
 * @param server
 *            the SolrServer we are working with
 */
public void addFieldsFromServer(SolrServer server) {
    if (server == null) {
        LOGGER.warn("Server is null, could not add fields to cache.");
        return;
    }

    SolrQuery query = new SolrQuery();

    // numterms=0 means retrieve everything (regular or dynamic fields)
    query.add("numterms", "0");

    /*
     * Adding this request handler allows us to query the schema dynamically. The name of the
     * request handler is provided by the schema.xml. If the name is changed in the schema.xml,
     * then this value must be changed as well.
     */
    query.setRequestHandler("/admin/luke");

    QueryResponse response = null;

    try {
        response = server.query(query);
        for (Entry<String, ?> e : ((SimpleOrderedMap<?>) (response.getResponse().get(FIELDS_KEY)))) {
            fieldsCache.add(e.getKey());
        }
    } catch (SolrServerException e) {
        LOGGER.warn("Could not update cache for field names.", e);
    } catch (SolrException e) {
        LOGGER.warn("Could not update cache for field names.", e);
    }
}

From source file:ddf.catalog.cache.solr.impl.SolrFilterDelegate.java

License:Open Source License

@Override
public SolrQuery propertyIsEqualTo(String propertyName, Date exactDate) {
    String mappedPropertyName = getMappedPropertyName(propertyName, AttributeFormat.DATE, true);

    SolrQuery query = new SolrQuery();
    query.setQuery(" " + mappedPropertyName + ":" + QUOTE + dateFormat.format(exactDate) + QUOTE);

    return query;
}

From source file:ddf.catalog.cache.solr.impl.SolrFilterDelegate.java

License:Open Source License

private SolrQuery buildDateQuery(String propertyName, String startCondition, String startDate, String endDate,
        String endCondition) {// w ww  .  ja  va 2  s  .  c  om
    SolrQuery query = new SolrQuery();
    query.setQuery(" " + getMappedPropertyName(propertyName, AttributeFormat.DATE, false) + startCondition
            + startDate + TO + endDate + endCondition);
    return query;
}

From source file:ddf.catalog.cache.solr.impl.SolrFilterDelegate.java

License:Open Source License

private SolrQuery getGreaterThanOrEqualToQuery(String propertyName, AttributeFormat format, Number literal) {
    String mappedPropertyName = getMappedPropertyName(propertyName, format, true);

    SolrQuery query = new SolrQuery();
    query.setQuery(" " + mappedPropertyName + ":[ " + literal.toString() + TO + "* ] ");

    return query;
}

From source file:ddf.catalog.cache.solr.impl.SolrFilterDelegate.java

License:Open Source License

private SolrQuery getEqualToQuery(String propertyName, AttributeFormat format, Number literal) {
    String mappedPropertyName = getMappedPropertyName(propertyName, format, true);

    SolrQuery query = new SolrQuery();
    query.setQuery(" " + mappedPropertyName + ":" + literal.toString());

    return query;
}

From source file:ddf.catalog.cache.solr.impl.SolrFilterDelegate.java

License:Open Source License

private SolrQuery getGreaterThanQuery(String propertyName, AttributeFormat format, Number literal) {
    String mappedPropertyName = getMappedPropertyName(propertyName, format, true);

    SolrQuery query = new SolrQuery();
    query.setQuery(" " + mappedPropertyName + ":{ " + literal.toString() + TO + "* ] ");

    return query;
}