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:de.kp.ames.web.core.search.SearcherImpl.java

License:Open Source License

public String search(String request, String start, String limit) throws Exception {

    /*/*from   ww w. j  a  va2s . co m*/
     * Build Apache Solr query
     */
    JSONObject jQuery = new JSONObject(request);
    String term = jQuery.has(JsonConstants.J_TERM) ? jQuery.getString(JsonConstants.J_TERM) : "*";

    String fp = setFacets(jQuery);
    SolrQuery query = new SolrQuery();

    if (fp != null)
        query.addFilterQuery(fp);

    /* 
     * Paging support from Apache Solr
     */
    int s = Integer.valueOf(start);
    int r = Integer.valueOf(limit);

    query.setStart(s);
    query.setRows(r);

    String qs = term + " OR " + SearchConstants.TERMS_FIELD + ":" + term;
    query.setQuery(qs);

    QueryResponse response = solrProxy.executeQuery(query);
    SolrDocumentList docs = response.getResults();

    long total = docs.getNumFound();

    /*
     * Sort search result
     */
    StringCollector collector = new StringCollector();

    Iterator<SolrDocument> iter = docs.iterator();
    while (iter.hasNext()) {

        int pos = -1;

        SolrDocument doc = iter.next();
        JSONObject jDoc = new JSONObject();

        /* 
         * Identifier
         */
        String id = (String) doc.getFieldValue(SearchConstants.S_ID);
        jDoc.put(JsonConstants.J_ID, id);

        /* 
         * Name
         */
        String name = (String) doc.getFieldValue(SearchConstants.S_NAME);
        jDoc.put(JsonConstants.J_NAME, name);

        /* 
         * Source
         */
        String source = (String) doc.getFieldValue(SearchConstants.S_FACET);
        pos = source.lastIndexOf(":");

        jDoc.put(JsonConstants.J_FACET, source.substring(pos + 1));

        /* 
         * Description
         */
        String desc = (String) doc.getFieldValue(SearchConstants.S_DESC);
        desc = (desc == null) ? FncMessages.NO_DESCRIPTION_DESC : desc;

        jDoc.put(JsonConstants.J_DESC, desc);
        collector.put(name, jDoc);

    }

    /*
     * Render result
     */
    JSONArray jArray = new JSONArray(collector.values());
    return renderer.createGrid(jArray, total);

}

---

From source file:de.kp.ames.web.core.search.SearcherImpl.java

License:Open Source License

public String suggest(String request, String start, String limit) throws Exception {

    /*//w  ww.  j a v  a2 s  .  c  o m
     * Retrieve terms
     */
    SolrQuery query = new SolrQuery();

    query.setParam(CommonParams.QT, "/terms");
    query.setParam(TermsParams.TERMS, true);

    query.setParam(TermsParams.TERMS_LIMIT, SearchConstants.TERMS_LIMIT);

    query.setParam(TermsParams.TERMS_FIELD, SearchConstants.TERMS_FIELD);
    query.setParam(TermsParams.TERMS_PREFIX_STR, request);

    QueryResponse response = solrProxy.executeQuery(query);
    NamedList<Object> terms = getTerms(response);

    JSONArray jTerms = getTermValues(SearchConstants.TERMS_FIELD, terms);

    /*
     * Render result for DataSource
     */
    return jTerms.toString();

}

---

From source file:de.qaware.spark.ExportHandlerRddTest.java

License:Apache License

public static void main(String[] args) throws IOException {

    final String solrZkHost = "192.168.1.100:2181";
    //final String sparkMasterUrl = "local[*]";
    final String sparkMasterUrl = "spark://192.168.1.100:7077";

    SparkConf conf = new SparkConf().setMaster(sparkMasterUrl).setAppName("SparkSolrCsvAnayzer");

    try (JavaSparkContext context = new JavaSparkContext(conf)) {
        context.addJar("./build/libs/spark-solr-csv-analyzer-1.0-SNAPSHOT-all.jar");

        // make sure executors are up an running
        context.parallelize(new ArrayList<String>(), 20).map(n -> n);

        Date start = new Date();

        // SolrQuery contains the query and all required parameters for using the /export handler.
        SolrQuery solrQuery = new SolrQuery();
        solrQuery.set("q", "metric:*");

        // required parameters for the /export request handler are fl and sort
        solrQuery.set("fl", "date,metric,host,process,value");
        solrQuery.set("sort", "date asc");
        solrQuery.set("qt", "/export");

        // this does a parallel standard cursor based deep query
        SolrRDD simpleRdd = new SolrRDD(solrZkHost, "ekgdata2", context.sc(), new Some<>("/export"),
                Some.empty(), Some.empty(), Some.empty(), Some.empty(), Some.empty(), new Some<>(solrQuery));

        long exportedDocs = simpleRdd.count();

        Date end = new Date();
        long duration = end.getTime() - start.getTime();

        System.out//  www  . jav a2  s .co  m
                .println("Result: " + exportedDocs + " SolrDocuments read in Spark in " + (duration) + " ms.");

        simpleRdd.query(solrQuery);
        System.out.println(Arrays.deepToString((Object[]) simpleRdd.take(5)));

    } finally {
        //noinspection ThrowFromFinallyBlock,ResultOfMethodCallIgnored
        System.in.read();

    }
}

---

From source file:de.qaware.spark.StreamHandlerRddTest.java

License:Apache License

public static void main(String[] args) throws IOException {

    final String solrZkHost = "192.168.1.100:2181";
    //final String sparkMasterUrl = "local[*]";
    final String sparkMasterUrl = "spark://192.168.1.100:7077";

    SparkConf conf = new SparkConf().setMaster(sparkMasterUrl).setAppName("SparkSolrCsvAnayzer");

    try (JavaSparkContext context = new JavaSparkContext(conf)) {
        context.addJar("./build/libs/spark-solr-csv-analyzer-1.0-SNAPSHOT-all.jar");

        String expr = "search(ekgdata2, " + " q=\"metric:*used\"," + " fl=\"date,metric,value,host,process\","
                + " sort=\"date asc\"," + " qt=\"/export\")";

        SolrQuery solrQuery = new SolrQuery();
        solrQuery.set("expr", expr);

        SolrRDD streamExprRDD = new SolrRDD(solrZkHost, "ekgdata2", context.sc(), new Some<>("/stream"),
                Some.empty(), Some.empty(), Some.empty(), Some.empty(), Some.empty(), new Some<>(solrQuery));

        SolrJavaRDD rdd = new SolrJavaRDD(streamExprRDD);

        System.out.println("Result: " + rdd.count() + " Documents streamed.");

        JavaRDD<SolrDocument> docs = rdd.query("");

        List<SolrDocument> d = docs.take(10);
        System.out.println(Arrays.deepToString(d.toArray()));

    } finally {//from   ww  w  .  j  a  va 2s  .  c om
        //noinspection ThrowFromFinallyBlock,ResultOfMethodCallIgnored
        System.in.read();

    }
}

---

From source file:de.unidue.inf.is.ezdl.dlwrapper.wrappers.AbstractSolrWrapper.java

License:Open Source License

@Override
public final StoredDocumentList process(DocumentQuery documentQuery) {
    String solrQueryString = queryConverter.convert(documentQuery.getQuery());

    getLogger().info("Query is: " + solrQueryString);

    SolrQuery query = new SolrQuery();
    query.setIncludeScore(true);/*from   w  w w  . j  a  va2  s .  c  om*/
    query.setRows(getMaxNumberOfResults());
    query.setQuery(solrQueryString);

    try {
        QueryResponse response = server.query(query);
        SolrDocumentList hits = response.getResults();
        StoredDocumentList result = new StoredDocumentList();
        for (int i = 0; (i < hits.size()) && !isHalted(); i++) {
            SolrDocument doc = hits.get(i);
            StoredDocument stored = readDocumentFromSolrIndex(doc);
            result.add(stored);
        }
        if (!isHalted()) {
            return result;
        } else {
            return new StoredDocumentList();
        }
    } catch (SolrServerException e) {
        getLogger().error(e.getMessage(), e);
    }
    return new StoredDocumentList();
}

---

From source file:de.unidue.inf.is.ezdl.dlwrapper.wrappers.AbstractSolrWrapper.java

License:Open Source License

/**
 * Retrieves Solr document by its id./*from w  ww  . ja va2s.com*/
 * 
 * @param id
 *            The id
 * @param field
 *            The id field
 * @return The Solr document with the specified id
 */
protected final SolrDocument retrieveSolrDocumentForId(String id, Field field) {
    SolrQuery query = new SolrQuery();
    query.setIncludeScore(true);
    query.setRows(1);
    QueryNodeCompare queryNodeCompare = new QueryNodeCompare(field, Predicate.EQ, id);
    query.setQuery(queryConverter.convert(new DefaultQuery(queryNodeCompare)));
    QueryResponse response;
    try {
        response = server.query(query);
        SolrDocumentList hits = response.getResults();
        if (hits.size() == 1) {
            return hits.get(0);
        }
    } catch (SolrServerException e) {
        getLogger().error(e.getMessage(), e);
    }
    return null;
}

---

From source file:dhbw.clippinggorilla.external.solr.SOLR.java

public static Article getArticle(int id) {
    if (client == null) {
        setServer();/*  ww w.j av a2 s.  c  om*/
    }
    String q = "id:\"" + Integer.toString(id) + "\"";
    SolrQuery query = new SolrQuery();
    query.setQuery(q);

    try {
        QueryResponse queryResponse = client.query(query);
        List<Article> beans = queryResponse.getBeans(Article.class);
        if (!beans.isEmpty()) {
            return beans.get(0);
        }
    } catch (SolrServerException | IOException e) {
        Log.error("Solr: Can't Query", e);
    }
    return null;
}

---

From source file:dhbw.clippinggorilla.external.solr.SOLR.java

public static LinkedHashSet<Article> getArticlesFromSolr(Set<String> includedTagsSet,
        Set<String> excludedTagsSet, Map<Source, Boolean> sourcesMap, LocalDateTime date) {
    SolrQuery query = new SolrQuery();

    String include = "";
    String exclude;//from   ww  w  .j a  va 2 s .c  o m
    String sources = "source:\"";

    List<String> includedTags = new ArrayList<>(includedTagsSet);
    if (includedTags.size() > 0) {
        include = "(" + replaceWhitespaces(includedTags.get(0), true) + ")";
        for (int i = 1; i < includedTags.size(); i++) {
            include += " OR " + "(" + replaceWhitespaces(includedTags.get(i), true) + ")";
        }
    }

    List<String> excludedTags = new ArrayList<>(excludedTagsSet);
    if (excludedTags.size() > 0) {
        exclude = "-(" + replaceWhitespaces(excludedTags.get(0), false) + ")";
        for (int i = 1; i < excludedTags.size(); i++) {
            exclude += " AND " + "-(" + replaceWhitespaces(excludedTags.get(i), false) + ")";
        }
        query.addFilterQuery(exclude);
    }

    for (Map.Entry<Source, Boolean> entry : sourcesMap.entrySet()) {
        if (entry.getValue()) {
            sources = sources.concat(entry.getKey().getId() + "\" OR \"");
        }
    }
    sources = sources.substring(0, sources.length() - 5);

    query.setQuery(include);
    query.set("qf", "title^3 description^2 body");
    query.addFilterQuery("publishedAt:[" + date.toString() + " TO NOW]");
    query.addFilterQuery(sources);

    if (client == null) {
        setServer();
    }

    try {
        QueryResponse queryResponse = client.query(query);
        List<Article> response = queryResponse.getBeans(Article.class);
        return new LinkedHashSet<>(response);
    } catch (SolrServerException | IOException e) {
        Log.error("Solr: Can't Query", e);
        return new LinkedHashSet<>();
    }
}

---

From source file:digicom.pot.nlp.OpenNLPUtilTest.java

License:Apache License

@Test
public void testFilters() {
    List<String> queryList = new ArrayList<String>();
    queryList.add("CHEFS knife set");
    queryList.add("CHEFS kitchen towels");
    queryList.add("CHEFS red bath towels");
    queryList.add("bowl set CHEFS 6 pcs");
    queryList.add("U Tops");
    queryList.add("U white Tops");
    queryList.add("U red Tops under 10$");
    queryList.add("U pink Tops less than 10$");
    queryList.add("U pink Tops less than 10  usd");
    queryList.add("red Kitchen Towels");
    queryList.add("red Kitchen Towels under 15$");
    queryList.add("silver Platinum Pets toys");
    queryList.add("red Progear towel");
    queryList.add("red Progear towel under 18$");
    queryList.add("Dickies blue pant");
    queryList.add("Dickies kids clothes");
    queryList.add("black Dickies thermal inner");
    queryList.add("Onyx U sweater");
    queryList.add("Onyx sweater");
    ColorHelper colorHelper = new ColorHelper();
    BrandHelper bhelper = new BrandHelper();
    PriceHelper pricehelper = new PriceHelper();

    SearchQueryProcessor sqp = new SearchQueryProcessor();
    SolrQuery query = new SolrQuery();
    String queryString = null;/*from   ww  w  .  j  av  a2s.co m*/
    for (String document : queryList) {
        System.out.println("=================================================");
        /*
         * System.out.println("Colors : " + colorHelper.getColors(document,
         * extractor)); System.out.println("Brand : " +
         * bhelper.getBrands(document, extractor));
         * System.out.println("Price : " + pricehelper.parseString(document,
         * extractor));
         */
        sqp.applyColorFilter(document, extractor, query);
        sqp.applyBrandFilter(document, extractor, query);
        queryString = sqp.applyPriceFilter(document, extractor, query);
        query.setQuery(queryString);
        System.out.println(query);

    }

}

---

From source file:edu.cmu.lti.f12.hw2.hw2_team01.retrieval.SimpleSolrWrapper.java

License:Apache License

public SolrDocumentList runQuery(String q, int results) throws SolrServerException {
    SolrQuery query = new SolrQuery();
    query.setQuery(escapeQuery(q));//from  ww  w  . j  a  v  a2  s. c om
    query.setRows(results);
    query.setFields("*", "score");
    System.out.println(query.toString());

    QueryResponse rsp = server.query(query);
    return rsp.getResults();
}

---

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