List of usage examples for org.apache.solr.handler.component ResponseBuilder setQparser
public void setQparser(QParser qparser)
From source file:opennlp.tools.similarity.apps.solr.IterativeQueryComponent.java
License:Apache License
private ResponseBuilder substituteField(ResponseBuilder rb, String newFieldName) { SolrParams params = rb.req.getParams(); String query = params.get("q"); String currField = StringUtils.substringBetween(" " + query, " ", ":"); if (currField != null && newFieldName != null) query = query.replace(currField, newFieldName); NamedList values = params.toNamedList(); values.remove("q"); values.add("q", query); params = SolrParams.toSolrParams(values); rb.req.setParams(params);// w w w . java2 s. c om rb.setQueryString(query); String defType = params.get(QueryParsing.DEFTYPE, QParserPlugin.DEFAULT_QTYPE); // get it from the response builder to give a different component a chance // to set it. String queryString = rb.getQueryString(); if (queryString == null) { // this is the normal way it's set. queryString = params.get(CommonParams.Q); rb.setQueryString(queryString); } QParser parser = null; try { parser = QParser.getParser(rb.getQueryString(), defType, rb.req); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } Query q = null; try { q = parser.getQuery(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } if (q == null) { // normalize a null query to a query that matches nothing q = new BooleanQuery(); } rb.setQuery(q); try { rb.setSortSpec(parser.getSort(true)); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } rb.setQparser(parser); /* try { rb.setScoreDoc(parser.getPaging()); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } */ String[] fqs = rb.req.getParams().getParams(CommonParams.FQ); if (fqs != null && fqs.length != 0) { List<Query> filters = rb.getFilters(); if (filters == null) { filters = new ArrayList<Query>(fqs.length); } for (String fq : fqs) { if (fq != null && fq.trim().length() != 0) { QParser fqp = null; try { fqp = QParser.getParser(fq, null, rb.req); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } try { filters.add(fqp.getQuery()); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } // only set the filters if they are not empty otherwise // fq=&someotherParam= will trigger all docs filter for every request // if filter cache is disabled if (!filters.isEmpty()) { rb.setFilters(filters); } } return rb; }
From source file:org.alfresco.solr.component.spellcheck.AlfrescoSpellCheckCollator.java
License:Open Source License
public List<AlfrescoSpellCheckCollation> collate(SpellingResult result, String originalQuery, ResponseBuilder ultimateResponse) { List<AlfrescoSpellCheckCollation> collations = new ArrayList<>(); QueryComponent queryComponent = null; if (ultimateResponse.components != null) { for (SearchComponent sc : ultimateResponse.components) { if (sc instanceof QueryComponent) { queryComponent = (QueryComponent) sc; break; }// www. j a v a 2s .c o m } } boolean verifyCandidateWithQuery = true; int maxTries = maxCollationTries; int maxNumberToIterate = maxTries; if (maxTries < 1) { maxTries = 1; maxNumberToIterate = maxCollations; verifyCandidateWithQuery = false; } if (queryComponent == null && verifyCandidateWithQuery) { LOG.info( "Could not find an instance of QueryComponent. Disabling collation verification against the index."); maxTries = 1; verifyCandidateWithQuery = false; } docCollectionLimit = docCollectionLimit > 0 ? docCollectionLimit : 0; int maxDocId = -1; if (verifyCandidateWithQuery && docCollectionLimit > 0) { IndexReader reader = ultimateResponse.req.getSearcher().getIndexReader(); maxDocId = reader.maxDoc(); } JSONObject alfrescoJSON = (JSONObject) ultimateResponse.req.getContext().get(AbstractQParser.ALFRESCO_JSON); String originalAftsQuery = alfrescoJSON != null ? alfrescoJSON.getString("query") : ultimateResponse.getQueryString(); int tryNo = 0; int collNo = 0; PossibilityIterator possibilityIter = new PossibilityIterator(result.getSuggestions(), maxNumberToIterate, maxCollationEvaluations, suggestionsMayOverlap); while (tryNo < maxTries && collNo < maxCollations && possibilityIter.hasNext()) { PossibilityIterator.RankedSpellPossibility possibility = possibilityIter.next(); String collationQueryStr = getCollation(originalQuery, possibility.corrections); int hits = 0; String aftsQuery = null; if (verifyCandidateWithQuery) { tryNo++; SolrQueryRequest req = ultimateResponse.req; SolrParams origParams = req.getParams(); ModifiableSolrParams params = new ModifiableSolrParams(origParams); Iterator<String> origParamIterator = origParams.getParameterNamesIterator(); int pl = SpellingParams.SPELLCHECK_COLLATE_PARAM_OVERRIDE.length(); while (origParamIterator.hasNext()) { String origParamName = origParamIterator.next(); if (origParamName.startsWith(SpellingParams.SPELLCHECK_COLLATE_PARAM_OVERRIDE) && origParamName.length() > pl) { String[] val = origParams.getParams(origParamName); if (val.length == 1 && val[0].length() == 0) { params.set(origParamName.substring(pl), (String[]) null); } else { params.set(origParamName.substring(pl), val); } } } // we don't set the 'q' param, as we'll pass the query via JSON. // params.set(CommonParams.Q, collationQueryStr); params.remove(CommonParams.START); params.set(CommonParams.ROWS, "" + docCollectionLimit); // we don't want any stored fields params.set(CommonParams.FL, "id"); // we'll sort by doc id to ensure no scoring is done. params.set(CommonParams.SORT, "_docid_ asc"); // If a dismax query, don't add unnecessary clauses for scoring params.remove(DisMaxParams.TIE); params.remove(DisMaxParams.PF); params.remove(DisMaxParams.PF2); params.remove(DisMaxParams.PF3); params.remove(DisMaxParams.BQ); params.remove(DisMaxParams.BF); // Collate testing does not support Grouping (see SOLR-2577) params.remove(GroupParams.GROUP); boolean useQStr = true; if (alfrescoJSON != null) { try { aftsQuery = originalAftsQuery.replaceAll(Pattern.quote(originalQuery), Matcher.quoteReplacement(collationQueryStr)); alfrescoJSON.put("query", aftsQuery); req.getContext().put(AbstractQParser.ALFRESCO_JSON, alfrescoJSON); useQStr = false; } catch (JSONException e) { LOG.warn("Exception trying to get/set the query from/to ALFRESCO_JSON.]" + e); } } else { aftsQuery = collationQueryStr; } req.setParams(params); // creating a request here... make sure to close it! ResponseBuilder checkResponse = new ResponseBuilder(req, new SolrQueryResponse(), Arrays.<SearchComponent>asList(queryComponent)); checkResponse.setQparser(ultimateResponse.getQparser()); checkResponse.setFilters(ultimateResponse.getFilters()); checkResponse.components = Arrays.<SearchComponent>asList(queryComponent); if (useQStr) { checkResponse.setQueryString(collationQueryStr); } try { queryComponent.prepare(checkResponse); if (docCollectionLimit > 0) { int f = checkResponse.getFieldFlags(); checkResponse.setFieldFlags(f |= SolrIndexSearcher.TERMINATE_EARLY); } queryComponent.process(checkResponse); hits = (Integer) checkResponse.rsp.getToLog().get("hits"); } catch (EarlyTerminatingCollectorException etce) { assert (docCollectionLimit > 0); assert 0 < etce.getNumberScanned(); assert 0 < etce.getNumberCollected(); if (etce.getNumberScanned() == maxDocId) { hits = etce.getNumberCollected(); } else { hits = (int) (((float) (maxDocId * etce.getNumberCollected())) / (float) etce.getNumberScanned()); } } catch (Exception e) { LOG.warn( "Exception trying to re-query to check if a spell check possibility would return any hits." + e); } finally { checkResponse.req.close(); } } if (hits > 0 || !verifyCandidateWithQuery) { collNo++; AlfrescoSpellCheckCollation collation = new AlfrescoSpellCheckCollation(); collation.setCollationQuery(aftsQuery); collation.setCollationQueryString(collationQueryStr); collation.setHits(hits); collation.setInternalRank( suggestionsMayOverlap ? ((possibility.rank * 1000) + possibility.index) : possibility.rank); NamedList<String> misspellingsAndCorrections = new NamedList<>(); for (SpellCheckCorrection corr : possibility.corrections) { misspellingsAndCorrections.add(corr.getOriginal().toString(), corr.getCorrection()); } collation.setMisspellingsAndCorrections(misspellingsAndCorrections); collations.add(collation); } if (LOG.isDebugEnabled()) { LOG.debug("Collation: " + aftsQuery + (verifyCandidateWithQuery ? (" will return " + hits + " hits.") : "")); } } return collations; }