List of usage examples for org.apache.lucene.search Sort RELEVANCE
Sort RELEVANCE
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From source file:org.pageseeder.flint.lucene.query.SuggestionQuery.java
License:Apache License
/** * Always sort by relevance. * * {@inheritDoc} */ @Override public Sort getSort() { return Sort.RELEVANCE; }
From source file:org.roosster.store.EntryStore.java
License:Open Source License
/** * @exception IllegalArgumentException if the provided sort field is not available * for sorting/*from w ww . j a va2s. c o m*/ * @exception IllegalStateException if the object was not properly initialized yet. */ private Sort determineSort() { if (!isInitialized()) throw new IllegalStateException("Database must be initialized before use!"); String sortField = registry.getConfiguration().getProperty(PROP_SORTFIELD); LOG.debug("Specified Sort Field: " + sortField); Sort sort = Sort.RELEVANCE; if (sortField != null && !"".equals(sortField)) { for (int i = 0; i < Entry.STRING_SORT_FIELDS.length; i++) { if (Entry.STRING_SORT_FIELDS[i].equals(sortField)) return new Sort(new SortField(sortField, SortField.STRING)); } for (int i = 0; i < Entry.INTEGER_SORT_FIELDS.length; i++) { if (Entry.INTEGER_SORT_FIELDS[i].equals(sortField)) return new Sort(new SortField(sortField, SortField.INT)); } if (sort == null) throw new IllegalArgumentException("Illegal sort field: " + sortField); } return sort; }
From source file:org.watermint.sourcecolon.org.opensolaris.opengrok.web.SearchHelper.java
License:Open Source License
/** * Create the searcher to use wrt. to currently set parameters and the given * projects. Does not produce any {@link #redirect} link. It also does * nothing if {@link #redirect} or {@link #errorMsg} have a none-{@code null} * value.//from w ww. j a v a2 s. c om * <p/> * Parameters which should be populated/set at this time: * <ul> * <li>{@link #builder}</li> * <li>{@link #dataRoot}</li> * <li>{@link #order} (falls back to relevance if unset)</li> * </ul> * Populates/sets: * <ul> * <li>{@link #query}</li> * <li>{@link #searcher}</li> * <li>{@link #sort}</li> * <li>{@link #projects}</li> * <li>{@link #errorMsg} if an error occurs</li> * </ul> * * @param projects project to use query. If empty, a none-project opengrok * setup is assumed (i.e. DATA_ROOT/index will be used instead of possible * multiple DATA_ROOT/$project/index). * @return this instance */ public SearchHelper prepareExec(SortedSet<String> projects) { if (redirect != null || errorMsg != null) { return this; } // the Query created by the QueryBuilder try { query = builder.build(); if (projects == null) { errorMsg = "No project selected!"; return this; } this.projects = projects; File indexDir = new File(dataRoot, "index"); if (projects.isEmpty()) { //no project setup FSDirectory dir = FSDirectory.open(indexDir); searcher = new IndexSearcher(IndexReader.open(dir)); } else if (projects.size() == 1) { // just 1 project selected FSDirectory dir = FSDirectory.open(new File(indexDir, projects.first())); searcher = new IndexSearcher(IndexReader.open(dir)); } else { //more projects IndexReader[] searchables = new IndexReader[projects.size()]; int ii = 0; //TODO might need to rewrite to Project instead of // String , need changes in og_projects.jspf too for (String proj : projects) { FSDirectory dir = FSDirectory.open(new File(indexDir, proj)); searchables[ii++] = IndexReader.open(dir); } searcher = new IndexSearcher(new MultiReader(searchables)); } // TODO check if below is somehow reusing sessions so we don't // requery again and again, I guess 2min timeout sessions could be // usefull, since you click on the next page within 2mins, if not, // then wait ;) switch (order) { case LASTMODIFIED: sort = new Sort(new SortField("date", SortField.STRING, true)); break; case BY_PATH: sort = new Sort(new SortField("fullpath", SortField.STRING)); break; default: sort = Sort.RELEVANCE; break; } } catch (ParseException e) { errorMsg = PARSE_ERROR_MSG + e.getMessage(); } catch (FileNotFoundException e) { // errorMsg = "Index database(s) not found: " + e.getMessage(); errorMsg = "Index database(s) not found."; } catch (Exception e) { errorMsg = e.getMessage(); } return this; }
From source file:org.weborganic.flint.query.BasicQuery.java
License:artistic-license-2.0
/** * Generates the XML for this query.//w ww .jav a 2s . c om * * <p>As: * <pre>{@code * <basic-query empty="[true|false]" query="[lucene query]"> * <base> * <!-- The base query using the toXML() method --> * </base> * <parameters> * <!-- Each parameters in order using the toXML() method --> * </parameters> * </basic-query> * }</pre> * * {@inheritDoc} */ @Override public void toXML(XMLWriter xml) throws IOException { xml.openElement("basic-query", true); xml.attribute("empty", Boolean.toString(isEmpty())); if (!isEmpty()) { xml.attribute("query", this._query.toString()); // Base query xml.openElement("base", true); this._base.toXML(xml); xml.closeElement(); // Parameters xml.openElement("parameters", !this.parameters().isEmpty()); for (SearchParameter p : this._parameters) { p.toXML(xml); } xml.closeElement(); xml.openElement("sort", this._sort != Sort.RELEVANCE); if (this._sort == Sort.RELEVANCE) { xml.attribute("by", "relevance"); } else { xml.attribute("by", "fields"); for (SortField sf : this._sort.getSort()) { xml.openElement("sortfield"); xml.attribute("field", sf.getField()); xml.attribute("type", sf.getType()); xml.attribute("reverse", Boolean.toString(sf.getReverse())); xml.closeElement(); } } xml.closeElement(); } xml.closeElement(); }
From source file:perf.SearchTask.java
License:Apache License
@Override public void go(IndexState state) throws IOException { //System.out.println("go group=" + this.group + " single=" + singlePassGroup + " xxx=" + xxx + " this=" + this); final IndexSearcher searcher = state.mgr.acquire(); //System.out.println("GO query=" + q); try {//from ww w.j a v a 2 s . c o m if (doHilite) { if (state.fastHighlighter != null) { fieldQuery = state.fastHighlighter.getFieldQuery(q, searcher.getIndexReader()); } else if (state.useHighlighter) { highlighter = new Highlighter(new SimpleHTMLFormatter(), new QueryScorer(q)); } else { // no setup for postingshighlighter } } if (group != null) { if (singlePassGroup) { final BlockGroupingCollector c = new BlockGroupingCollector(Sort.RELEVANCE, 10, true, searcher.createNormalizedWeight(state.groupEndQuery, false)); searcher.search(q, c); groupsResultBlock = c.getTopGroups(Sort.RELEVANCE, 0, 0, 10, true); if (doHilite) { hilite(groupsResultBlock, state, searcher); } } else { //System.out.println("GB: " + group); final TermFirstPassGroupingCollector c1 = new TermFirstPassGroupingCollector(group, Sort.RELEVANCE, 10); final Collector c; final TermAllGroupsCollector allGroupsCollector; // Turn off AllGroupsCollector for now -- it's very slow: if (false && doCountGroups) { allGroupsCollector = new TermAllGroupsCollector(group); //c = MultiCollector.wrap(allGroupsCollector, c1); c = c1; } else { allGroupsCollector = null; c = c1; } searcher.search(q, c); final Collection<SearchGroup<BytesRef>> topGroups = c1.getTopGroups(0, true); if (topGroups != null) { final TermSecondPassGroupingCollector c2 = new TermSecondPassGroupingCollector(group, topGroups, Sort.RELEVANCE, Sort.RELEVANCE, 10, true, true, true); searcher.search(q, c2); groupsResultTerms = c2.getTopGroups(0); if (allGroupsCollector != null) { groupsResultTerms = new TopGroups<BytesRef>(groupsResultTerms, allGroupsCollector.getGroupCount()); } if (doHilite) { hilite(groupsResultTerms, state, searcher); } } } } else if (!facetRequests.isEmpty()) { // TODO: support sort, filter too!! // TODO: support other facet methods if (doDrillSideways) { // nocommit todo hits = null; facetResults = null; } else { facetResults = new ArrayList<FacetResult>(); FacetsCollector fc = new FacetsCollector(); hits = FacetsCollector.search(searcher, q, 10, fc); long t0 = System.nanoTime(); Facets mainFacets = null; for (String request : facetRequests) { if (request.startsWith("range:")) { int i = request.indexOf(':', 6); if (i == -1) { throw new IllegalArgumentException("range facets request \"" + request + "\" is missing field; should be range:field:0-10,10-20"); } String field = request.substring(6, i); String[] rangeStrings = request.substring(i + 1, request.length()).split(","); LongRange[] ranges = new LongRange[rangeStrings.length]; for (int rangeIDX = 0; rangeIDX < ranges.length; rangeIDX++) { String rangeString = rangeStrings[rangeIDX]; int j = rangeString.indexOf('-'); if (j == -1) { throw new IllegalArgumentException( "range facets request should be X-Y; got: " + rangeString); } long start = Long.parseLong(rangeString.substring(0, j)); long end = Long.parseLong(rangeString.substring(j + 1)); ranges[rangeIDX] = new LongRange(rangeString, start, true, end, true); } LongRangeFacetCounts facets = new LongRangeFacetCounts(field, fc, ranges); facetResults.add(facets.getTopChildren(ranges.length, field)); } else { Facets facets = new FastTaxonomyFacetCounts(state.taxoReader, state.facetsConfig, fc); facetResults.add(facets.getTopChildren(10, request)); } } getFacetResultsMsec = (System.nanoTime() - t0) / 1000000.0; } } else if (s == null) { hits = searcher.search(q, topN); if (doHilite) { hilite(hits, state, searcher, q); } } else { hits = searcher.search(q, topN, s); if (doHilite) { hilite(hits, state, searcher, q); } /* final boolean fillFields = true; final boolean fieldSortDoTrackScores = true; final boolean fieldSortDoMaxScore = true; final TopFieldCollector c = TopFieldCollector.create(s, topN, fillFields, fieldSortDoTrackScores, fieldSortDoMaxScore, false); searcher.search(q, c); hits = c.topDocs(); */ } if (hits != null) { totalHitCount = hits.totalHits; if (doStoredLoads) { for (int i = 0; i < hits.scoreDocs.length; i++) { ScoreDoc scoreDoc = hits.scoreDocs[i]; searcher.doc(scoreDoc.doc); } } } else if (groupsResultBlock != null) { totalHitCount = groupsResultBlock.totalHitCount; } } catch (Throwable t) { System.out.println("EXC: " + q); throw new RuntimeException(t); //System.out.println("TE: " + TermsEnum.getStats()); } finally { state.mgr.release(searcher); fieldQuery = null; highlighter = null; } }