Examples with SolrQueryRequest org.apache.solr.request.SolrQueryRequest used on opensource projects

Example 6 with SolrQueryRequest

use of org.apache.solr.request.SolrQueryRequest in project lucene-solr by apache.

the class RealTimeGetComponent method processGetUpdates.

public void processGetUpdates(ResponseBuilder rb) throws IOException {
    SolrQueryRequest req = rb.req;
    SolrQueryResponse rsp = rb.rsp;
    SolrParams params = req.getParams();
    if (!params.getBool(COMPONENT_NAME, true)) {
        return;
    }
    String versionsStr = params.get("getUpdates");
    if (versionsStr == null)
        return;
    UpdateLog ulog = req.getCore().getUpdateHandler().getUpdateLog();
    if (ulog == null)
        return;
    // handle version ranges
    List<Long> versions = null;
    if (versionsStr.indexOf("...") != -1) {
        versions = resolveVersionRanges(versionsStr, ulog);
    } else {
        versions = StrUtils.splitSmart(versionsStr, ",", true).stream().map(Long::parseLong).collect(Collectors.toList());
    }
    // find fingerprint for max version for which updates are requested
    boolean doFingerprint = params.getBool("fingerprint", false);
    if (doFingerprint) {
        long maxVersionForUpdate = Collections.min(versions, PeerSync.absComparator);
        IndexFingerprint fingerprint = IndexFingerprint.getFingerprint(req.getCore(), Math.abs(maxVersionForUpdate));
        rb.rsp.add("fingerprint", fingerprint);
    }
    List<Object> updates = new ArrayList<>(versions.size());
    long minVersion = Long.MAX_VALUE;
    // TODO: get this from cache instead of rebuilding?
    try (UpdateLog.RecentUpdates recentUpdates = ulog.getRecentUpdates()) {
        for (Long version : versions) {
            try {
                Object o = recentUpdates.lookup(version);
                if (o == null)
                    continue;
                if (version > 0) {
                    minVersion = Math.min(minVersion, version);
                }
                // TODO: do any kind of validation here?
                updates.add(o);
            } catch (SolrException | ClassCastException e) {
                log.warn("Exception reading log for updates", e);
            }
        }
        // Must return all delete-by-query commands that occur after the first add requested
        // since they may apply.
        updates.addAll(recentUpdates.getDeleteByQuery(minVersion));
        rb.rsp.add("updates", updates);
    }
}

Example 7 with SolrQueryRequest

use of org.apache.solr.request.SolrQueryRequest in project lucene-solr by apache.

the class RealTimeGetComponent method processGetVersions.

///////////////////////////////////////////////////////////////////////////////////
// Returns last versions added to index
///////////////////////////////////////////////////////////////////////////////////
public void processGetVersions(ResponseBuilder rb) throws IOException {
    SolrQueryRequest req = rb.req;
    SolrQueryResponse rsp = rb.rsp;
    SolrParams params = req.getParams();
    if (!params.getBool(COMPONENT_NAME, true)) {
        return;
    }
    int nVersions = params.getInt("getVersions", -1);
    if (nVersions == -1)
        return;
    boolean doFingerprint = params.getBool("fingerprint", false);
    String sync = params.get("sync");
    if (sync != null) {
        processSync(rb, nVersions, sync);
        return;
    }
    UpdateLog ulog = req.getCore().getUpdateHandler().getUpdateLog();
    if (ulog == null)
        return;
    // and would avoid mismatch if documents are being actively index especially during PeerSync
    if (doFingerprint) {
        IndexFingerprint fingerprint = IndexFingerprint.getFingerprint(req.getCore(), Long.MAX_VALUE);
        rb.rsp.add("fingerprint", fingerprint);
    }
    try (UpdateLog.RecentUpdates recentUpdates = ulog.getRecentUpdates()) {
        List<Long> versions = recentUpdates.getVersions(nVersions);
        rb.rsp.add("versions", versions);
    }
}

Example 8 with SolrQueryRequest

use of org.apache.solr.request.SolrQueryRequest in project lucene-solr by apache.

the class CarrotClusteringEngine method getDocuments.

/**
   * Prepares Carrot2 documents for clustering.
   */
private List<Document> getDocuments(SolrDocumentList solrDocList, Map<SolrDocument, Integer> docIds, Query query, final SolrQueryRequest sreq) throws IOException {
    SolrHighlighter highlighter = null;
    SolrParams solrParams = sreq.getParams();
    SolrCore core = sreq.getCore();
    String urlField = solrParams.get(CarrotParams.URL_FIELD_NAME, "url");
    String titleFieldSpec = solrParams.get(CarrotParams.TITLE_FIELD_NAME, "title");
    String snippetFieldSpec = solrParams.get(CarrotParams.SNIPPET_FIELD_NAME, titleFieldSpec);
    String languageField = solrParams.get(CarrotParams.LANGUAGE_FIELD_NAME, null);
    // Maps Solr field names to Carrot2 custom field names
    Map<String, String> customFields = getCustomFieldsMap(solrParams);
    // Parse language code map string into a map
    Map<String, String> languageCodeMap = new HashMap<>();
    if (StringUtils.isNotBlank(languageField)) {
        for (String pair : solrParams.get(CarrotParams.LANGUAGE_CODE_MAP, "").split("[, ]")) {
            final String[] split = pair.split(":");
            if (split.length == 2 && StringUtils.isNotBlank(split[0]) && StringUtils.isNotBlank(split[1])) {
                languageCodeMap.put(split[0], split[1]);
            } else {
                log.warn("Unsupported format for " + CarrotParams.LANGUAGE_CODE_MAP + ": '" + pair + "'. Skipping this mapping.");
            }
        }
    }
    // Get the documents
    boolean produceSummary = solrParams.getBool(CarrotParams.PRODUCE_SUMMARY, false);
    SolrQueryRequest req = null;
    String[] snippetFieldAry = null;
    if (produceSummary) {
        highlighter = HighlightComponent.getHighlighter(core);
        if (highlighter != null) {
            Map<String, Object> args = new HashMap<>();
            snippetFieldAry = snippetFieldSpec.split("[, ]");
            args.put(HighlightParams.FIELDS, snippetFieldAry);
            args.put(HighlightParams.HIGHLIGHT, "true");
            //we don't care about actually highlighting the area
            args.put(HighlightParams.SIMPLE_PRE, "");
            args.put(HighlightParams.SIMPLE_POST, "");
            args.put(HighlightParams.FRAGSIZE, solrParams.getInt(CarrotParams.SUMMARY_FRAGSIZE, solrParams.getInt(HighlightParams.FRAGSIZE, 100)));
            args.put(HighlightParams.SNIPPETS, solrParams.getInt(CarrotParams.SUMMARY_SNIPPETS, solrParams.getInt(HighlightParams.SNIPPETS, 1)));
            req = new LocalSolrQueryRequest(core, query.toString(), "", 0, 1, args) {

                @Override
                public SolrIndexSearcher getSearcher() {
                    return sreq.getSearcher();
                }
            };
        } else {
            log.warn("No highlighter configured, cannot produce summary");
            produceSummary = false;
        }
    }
    Iterator<SolrDocument> docsIter = solrDocList.iterator();
    List<Document> result = new ArrayList<>(solrDocList.size());
    float[] scores = { 1.0f };
    int[] docsHolder = new int[1];
    Query theQuery = query;
    while (docsIter.hasNext()) {
        SolrDocument sdoc = docsIter.next();
        String snippet = null;
        // See comment in ClusteringComponent#finishStage().
        if (produceSummary && docIds != null) {
            docsHolder[0] = docIds.get(sdoc).intValue();
            DocList docAsList = new DocSlice(0, 1, docsHolder, scores, 1, 1.0f);
            NamedList<Object> highlights = highlighter.doHighlighting(docAsList, theQuery, req, snippetFieldAry);
            if (highlights != null && highlights.size() == 1) {
                // should only be one value given our setup
                // should only be one document
                @SuppressWarnings("unchecked") NamedList<String[]> tmp = (NamedList<String[]>) highlights.getVal(0);
                final StringBuilder sb = new StringBuilder();
                for (int j = 0; j < snippetFieldAry.length; j++) {
                    // Join fragments with a period, so that Carrot2 does not create
                    // cross-fragment phrases, such phrases rarely make sense.
                    String[] highlt = tmp.get(snippetFieldAry[j]);
                    if (highlt != null && highlt.length > 0) {
                        for (int i = 0; i < highlt.length; i++) {
                            sb.append(highlt[i]);
                            sb.append(" . ");
                        }
                    }
                }
                snippet = sb.toString();
            }
        }
        // If summaries not enabled or summary generation failed, use full content.
        if (snippet == null) {
            snippet = getConcatenated(sdoc, snippetFieldSpec);
        }
        // Create a Carrot2 document
        Document carrotDocument = new Document(getConcatenated(sdoc, titleFieldSpec), snippet, ObjectUtils.toString(sdoc.getFieldValue(urlField), ""));
        // Store Solr id of the document, we need it to map document instances 
        // found in clusters back to identifiers.
        carrotDocument.setField(SOLR_DOCUMENT_ID, sdoc.getFieldValue(idFieldName));
        // Set language
        if (StringUtils.isNotBlank(languageField)) {
            Collection<Object> languages = sdoc.getFieldValues(languageField);
            if (languages != null) {
                // Use the first Carrot2-supported language
                for (Object l : languages) {
                    String lang = ObjectUtils.toString(l, "");
                    if (languageCodeMap.containsKey(lang)) {
                        lang = languageCodeMap.get(lang);
                    }
                    // language variants, such as 'zh-cn', but Carrot2 uses underscores.
                    if (lang.indexOf('-') > 0) {
                        lang = lang.replace('-', '_');
                    }
                    // If the language is supported by Carrot2, we'll get a non-null value
                    final LanguageCode carrot2Language = LanguageCode.forISOCode(lang);
                    if (carrot2Language != null) {
                        carrotDocument.setLanguage(carrot2Language);
                        break;
                    }
                }
            }
        }
        // Add custom fields
        if (customFields != null) {
            for (Entry<String, String> entry : customFields.entrySet()) {
                carrotDocument.setField(entry.getValue(), sdoc.getFieldValue(entry.getKey()));
            }
        }
        result.add(carrotDocument);
    }
    return result;
}

Example 9 with SolrQueryRequest

use of org.apache.solr.request.SolrQueryRequest in project lucene-solr by apache.

the class ClusteringComponentTest method testComponent.

@Test
public void testComponent() throws Exception {
    SolrCore core = h.getCore();
    SearchComponent sc = core.getSearchComponent("clustering");
    assertTrue("sc is null and it shouldn't be", sc != null);
    ModifiableSolrParams params = new ModifiableSolrParams();
    params.add(ClusteringComponent.COMPONENT_NAME, "true");
    params.add(CommonParams.Q, "*:*");
    params.add(ClusteringParams.USE_SEARCH_RESULTS, "true");
    SolrRequestHandler handler = core.getRequestHandler("standard");
    SolrQueryResponse rsp;
    rsp = new SolrQueryResponse();
    rsp.addResponseHeader(new SimpleOrderedMap<>());
    SolrQueryRequest req = new LocalSolrQueryRequest(core, params);
    handler.handleRequest(req, rsp);
    NamedList<?> values = rsp.getValues();
    Object clusters = values.get("clusters");
    //System.out.println("Clusters: " + clusters);
    assertTrue("clusters is null and it shouldn't be", clusters != null);
    req.close();
    params = new ModifiableSolrParams();
    params.add(ClusteringComponent.COMPONENT_NAME, "true");
    params.add(ClusteringParams.ENGINE_NAME, "mock");
    params.add(ClusteringParams.USE_COLLECTION, "true");
    params.add(QueryComponent.COMPONENT_NAME, "false");
    handler = core.getRequestHandler("docClustering");
    rsp = new SolrQueryResponse();
    rsp.addResponseHeader(new SimpleOrderedMap<>());
    req = new LocalSolrQueryRequest(core, params);
    handler.handleRequest(req, rsp);
    values = rsp.getValues();
    clusters = values.get("clusters");
    //System.out.println("Clusters: " + clusters);
    assertTrue("clusters is null and it shouldn't be", clusters != null);
    req.close();
}

Example 10 with SolrQueryRequest

use of org.apache.solr.request.SolrQueryRequest in project lucene-solr by apache.

the class LTRScoringQuery method createWeightsParallel.

// end of call CreateWeightCallable
private void createWeightsParallel(IndexSearcher searcher, boolean needsScores, List<Feature.FeatureWeight> featureWeights, Collection<Feature> features) throws RuntimeException {
    final SolrQueryRequest req = getRequest();
    List<Future<Feature.FeatureWeight>> futures = new ArrayList<>(features.size());
    try {
        for (final Feature f : features) {
            CreateWeightCallable callable = new CreateWeightCallable(f, searcher, needsScores, req);
            RunnableFuture<Feature.FeatureWeight> runnableFuture = new FutureTask<>(callable);
            // always acquire before the ltrSemaphore is acquired, to guarantee a that the current query is within the limit for max. threads
            querySemaphore.acquire();
            //may block and/or interrupt
            ltrThreadMgr.acquireLTRSemaphore();
            //releases semaphore when done
            ltrThreadMgr.execute(runnableFuture);
            futures.add(runnableFuture);
        }
        //Loop over futures to get the feature weight objects
        for (final Future<Feature.FeatureWeight> future : futures) {
            // future.get() will block if the job is still running
            featureWeights.add(future.get());
        }
    } catch (Exception e) {
        // To catch InterruptedException and ExecutionException
        log.info("Error while creating weights in LTR: InterruptedException", e);
        throw new RuntimeException("Error while creating weights in LTR: " + e.getMessage(), e);
    }
}