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

Introduction

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

Prototype

public SolrQuery setFields(String... fields) 

Source Link

Usage

From source file:dk.statsbiblioteket.doms.licensemodule.solr.AbstractSolrJClient.java

public ArrayList<String> filterIds(ArrayList<String> ids, String queryPartAccess) throws Exception {

    if (ids == null || ids.size() == 0) {
        return new ArrayList<String>();
    }//from  w  w  w . j  av  a 2s.c  o m

    String queryStr = makeAuthIdPart(ids);
    log.debug("query:" + queryStr);

    SolrQuery query = new SolrQuery(queryStr);
    query.setFilterQueries(queryPartAccess);
    log.debug("filter:" + queryPartAccess);

    query.setFields(filterField); //only this field is used from resultset
    query.setRows(Math.min(10000, ids.size() * 200)); // Powerrating... each page can have max 200 segments (rare).. with 20 pages query this is 4000..               
    query.set("facet", "false"); //  Must be parameter set, because this java method does NOT work: query.setFacet(false);          
    QueryResponse response = solrServer.query(query);
    ArrayList<String> filteredIds = getIdsFromResponse(response);

    return filteredIds;

}

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

License:Apache License

public String getDocText(String id) throws SolrServerException {
    String q = "id:" + id;
    SolrQuery query = new SolrQuery();
    query.setQuery(q);// w w w  . j a va  2  s.  co  m
    query.setFields("text");
    QueryResponse rsp = server.query(query);

    String docText = "";
    if (rsp.getResults().getNumFound() > 0) {
        @SuppressWarnings({ "unchecked", "rawtypes" })
        ArrayList<String> results = (ArrayList) rsp.getResults().get(0).getFieldValues("text");
        docText = results.get(0);
    }
    return docText;
}

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From source file:edu.cmu.lti.oaqa.annographix.solr.SolrServerWrapper.java

License:Apache License

/**
 * Executes a query, additionally allows to specify result fields.
 * /*from   w ww . j a  v a  2s .c  om*/
 * @param q           a query string.
 * @param fieldList   a list of field names.
 * @param results     the maximum number of entries to return.
 * 
 * @return a list of documents, which is an object of the type {@link org.apache.solr.common.SolrDocumentList}.
 * @throws SolrServerException
 */
public SolrDocumentList runQuery(String q, List<String> fieldList, int results) throws SolrServerException {
    SolrQuery query = new SolrQuery();
    query.setQuery(q);
    query.setRows(results);
    query.setFields(fieldList.toArray(new String[1]));
    QueryResponse rsp = mServer.query(query, METHOD.POST);
    return rsp.getResults();
}

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From source file:edu.cmu.lti.oaqa.annographix.solr.SolrServerWrapper.java

License:Apache License

/**
 * Executes a query, additionally allows to specify the default field, the filter query, AND result fields.
 * // w w  w  . j  av a  2s .  c  o m
 * @param q               a query string.
 * @param defaultField    a default field name (or null).
 * @param fieldList       a list of field names.
 * @param filterQuery     a name of the filter query that can be applied without changing scores (or null).
 * @param results         the maximum number of entries to return.
 * 
 * @return a list of documents, which is an object of the type {@link org.apache.solr.common.SolrDocumentList}.
 * @throws SolrServerException
 */
public SolrDocumentList runQuery(String q, String defaultField, List<String> fieldList, String filterQuery,
        int results) throws SolrServerException {
    SolrQuery query = new SolrQuery();
    query.setQuery(q);
    if (filterQuery != null)
        query.setParam("fq", filterQuery);
    if (defaultField != null)
        query.setParam("df", defaultField);
    query.setRows(results);
    query.setFields(fieldList.toArray(new String[1]));
    QueryResponse rsp = mServer.query(query, METHOD.POST);
    return rsp.getResults();
}

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From source file:edu.cmu.lti.oaqa.annographix.solr.SolrServerWrapper.java

License:Apache License

/**
 * Reads a value of a single- or multi-value text field from a SOLR server. 
 * /*from  w  w w  . java2  s. c om*/
 * @param docId         a document ID.
 * @param idField       a name of the ID field.
 * @param textFieldName a name of the text field whose value we need to obtain.
 * @return an array of field values, if the field is single-value, the array
 *         contains only one entry.
 * @throws SolrServerException
 */
public ArrayList<String> getFieldText(String docId, String idField, String textFieldName)
        throws SolrServerException {
    String q = idField + ":" + docId;
    SolrQuery query = new SolrQuery();
    query.setQuery(q);
    query.setFields(textFieldName);
    QueryResponse rsp = mServer.query(query);

    ArrayList<String> docText = null;
    if (rsp.getResults().getNumFound() > 0) {
        Object o = rsp.getResults().get(0).getFieldValues(textFieldName);
        if (o instanceof String) {
            docText = new ArrayList<String>();
            docText.add((String) o);
        } else {
            @SuppressWarnings({ "unchecked" })
            ArrayList<String> results = (ArrayList<String>) o;
            docText = results;
        }
    }
    return docText;
}

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From source file:edu.cmu.lti.oaqa.bio.index.medline.annotated.query.SolrServerWrapper.java

License:Apache License

/**
 * Executes a query, additionally allows to specify result fields.
 * /* w w w. j a  v a 2 s.  co m*/
 * @param q           a query string.
 * @param fieldList   a list of field names.
 * @param results     the maximum number of entries to return.
 * 
 * @return a list of documents, which is an object of the type {@link org.apache.solr.common.SolrDocumentList}.
 * @throws SolrServerException
 * @throws IOException 
 */
public SolrDocumentList runQuery(String q, List<String> fieldList, int results)
        throws SolrServerException, IOException {
    SolrQuery query = new SolrQuery();
    query.setQuery(q);
    query.setRows(results);
    query.setFields(fieldList.toArray(new String[1]));
    QueryResponse rsp = mServer.query(query, METHOD.POST);
    return rsp.getResults();
}

---

From source file:edu.cmu.lti.oaqa.bio.index.medline.annotated.query.SolrServerWrapper.java

License:Apache License

/**
 * Executes a query, additionally allows to specify the default field, the filter query, AND result fields.
 * /*from  w w  w . j  a v  a 2 s .  c  om*/
 * @param q               a query string.
 * @param defaultField    a default field name (or null).
 * @param fieldList       a list of field names.
 * @param filterQuery     a name of the filter query that can be applied without changing scores (or null).
 * @param results         the maximum number of entries to return.
 * 
 * @return a list of documents, which is an object of the type {@link org.apache.solr.common.SolrDocumentList}.
 * @throws SolrServerException
 * @throws IOException 
 */
public SolrDocumentList runQuery(String q, String defaultField, List<String> fieldList, String filterQuery,
        int results) throws SolrServerException, IOException {
    SolrQuery query = new SolrQuery();
    query.setQuery(q);
    if (filterQuery != null)
        query.setParam("fq", filterQuery);
    if (defaultField != null)
        query.setParam("df", defaultField);
    query.setRows(results);
    query.setFields(fieldList.toArray(new String[1]));
    QueryResponse rsp = mServer.query(query, METHOD.POST);
    return rsp.getResults();
}

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From source file:edu.cmu.lti.oaqa.bio.index.medline.annotated.query.SolrServerWrapper.java

License:Apache License

/**
 * Reads a value of a single- or multi-value text field from a SOLR server. 
 * /*from   w w w  .j  a  v a 2 s . co  m*/
 * @param docId         a document ID.
 * @param idField       a name of the ID field.
 * @param textFieldName a name of the text field whose value we need to obtain.
 * @return an array of field values, if the field is single-value, the array
 *         contains only one entry.
 * @throws SolrServerException
 * @throws IOException 
 */
public ArrayList<String> getFieldText(String docId, String idField, String textFieldName)
        throws SolrServerException, IOException {
    String q = idField + ":" + docId;
    SolrQuery query = new SolrQuery();
    query.setQuery(q);
    query.setFields(textFieldName);
    QueryResponse rsp = mServer.query(query);

    ArrayList<String> docText = null;
    if (rsp.getResults().getNumFound() > 0) {
        Object o = rsp.getResults().get(0).getFieldValues(textFieldName);
        if (o instanceof String) {
            docText = new ArrayList<String>();
            docText.add((String) o);
        } else {
            @SuppressWarnings({ "unchecked" })
            ArrayList<String> results = (ArrayList<String>) o;
            docText = results;
        }
    }
    return docText;
}

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From source file:edu.cmu.lti.oaqa.core.provider.solr.SolrWrapper.java

License:Apache License

/** Added overloaded method for specifying field list**/
public SolrDocumentList runQuery(String q, List<String> fieldList, int results) throws SolrServerException {
    SolrQuery query = new SolrQuery();
    query.setQuery(escapeQuery(q));/*w  w  w  .j a v a  2 s. co  m*/
    query.setRows(results);
    query.setFields(fieldList.toArray(new String[1]));
    QueryResponse rsp = server.query(query, METHOD.POST);
    return rsp.getResults();
}

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From source file:edu.harvard.liblab.ecru.rs.ResourceUtils.java

License:Open Source License

public static SolrQuery createSolrQuery(String q, List<String> fqs, String fl, String start, String rows,
        HashMap<String, List<String>> facetMap, String sort) {
    SolrQuery query = new SolrQuery();
    if (q == null || q.trim().isEmpty()) {
        q = QUERY_ALL;//  w  w  w.  ja  va2s  .  c o m
    }
    query.setQuery(q);
    if (fqs != null && !fqs.isEmpty()) {
        query.setFilterQueries(fqs.toArray(new String[fqs.size()]));
    }
    try {
        Integer s = new Integer(start);
        query.setStart(s);

    } catch (NumberFormatException e) {
        if (start != null)
            System.out.println("start not integer: " + start);
    }
    try {
        Integer r = new Integer(rows);
        query.setRows(r);

    } catch (NumberFormatException e) {
        if (rows != null)
            System.out.println("rows not integer: " + rows);
    }
    if (fl != null && !fl.isEmpty()) {
        if (fl.indexOf("type") < 0) {
            fl += ",type";
        }
        String[] fields = fl.split(",");
        for (int i = 0; i < fields.length; i++) {
            fields[i] = fields[i].trim();
        }

        query.setFields(fields);

    }
    if (sort != null && !sort.trim().isEmpty()) {
        String[] sortArr = sort.split(",");
        ArrayList<SortClause> clauses = new ArrayList<SortClause>();
        for (String s : sortArr) {
            if (!s.isEmpty()) {
                String[] sc = s.split(" ");
                String v = sc[0];
                String order = "asc";
                if (sc.length == 2) {
                    order = sc[1];
                }
                clauses.add(new SortClause(v, (order.equals("asc") ? ORDER.asc : ORDER.desc)));
            }
        }
        query.setSorts(clauses);
    }
    query = addFacetsToQuery(query, facetMap);
    return query;
}

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