Example usage for org.apache.solr.handler.component ResponseBuilder getQparser

List of usage examples for org.apache.solr.handler.component ResponseBuilder getQparser

Introduction

In this page you can find the example usage for org.apache.solr.handler.component ResponseBuilder getQparser.

Prototype

public QParser getQparser() 

Source Link

Usage

From source file:com.doculibre.constellio.solr.handler.component.ConstellioAuthorizationComponent.java

License:Open Source License

@SuppressWarnings("unchecked")
@Override/*w  w w  . j a  va  2s  .c o m*/
public void prepare(ResponseBuilder rb) throws IOException {
    SolrQueryRequest req = rb.req;
    SolrIndexSearcher searcher = req.getSearcher();
    //IndexReader reader = req.getSearcher().getReader();
    SolrParams params = req.getParams();

    // A runtime param can skip
    if (!params.getBool(ENABLE, true)) {
        return;
    }

    Query query = rb.getQuery();
    String qstr = rb.getQueryString();
    if (query == null || qstr == null) {
        return;
    }

    ConstellioUser user;
    String userIdStr = params.get(ConstellioSolrQueryParams.USER_ID);
    if (userIdStr != null) {
        UserServices userServices = ConstellioSpringUtils.getUserServices();
        try {
            user = userServices.get(new Long(userIdStr));
        } catch (NumberFormatException e) {
            user = null;
        }
    } else {
        user = null;
    }

    String collectionName = params.get(ConstellioSolrQueryParams.COLLECTION_NAME);
    RecordCollectionServices collectionServices = ConstellioSpringUtils.getRecordCollectionServices();
    FederationServices federationServices = ConstellioSpringUtils.getFederationServices();
    RecordCollection collection = collectionServices.get(collectionName);

    List<TermQuery> restrictedCollectionQueries = new ArrayList<TermQuery>();
    if (collection.isFederationOwner()) {
        List<RecordCollection> includedCollections = federationServices.listIncludedCollections(collection);
        for (RecordCollection includedCollection : includedCollections) {
            if (includedCollection.hasSearchPermission()
                    && (user == null || !user.hasSearchPermission(includedCollection))) {
                restrictedCollectionQueries.add(new TermQuery(
                        new Term(IndexField.COLLECTION_ID_FIELD, "" + includedCollection.getId())));
            }
        }
    }

    // User must be logged in to see private records
    if (user != null) {
        String luceneQueryStr = params.get(ConstellioSolrQueryParams.LUCENE_QUERY);
        if (StringUtils.isBlank(luceneQueryStr)) {
            return;
        }

        IndexSchema schema = req.getSchema();
        SolrQueryParser queryParser = new SolrQueryParser(rb.getQparser(), IndexField.DEFAULT_SEARCH_FIELD);
        Query luceneQuery;
        try {
            luceneQuery = queryParser.parse(luceneQueryStr);
        } catch (SyntaxError e) {
            log.error("Error parsing lucene query " + luceneQueryStr, e);
            return;
        }
        // Create a new query which will only include private records
        BooleanQuery privateRecordQuery = new BooleanQuery(true);
        privateRecordQuery.add(luceneQuery, BooleanClause.Occur.MUST);
        for (TermQuery restrictionCollectionQuery : restrictedCollectionQueries) {
            privateRecordQuery.add(restrictionCollectionQuery, BooleanClause.Occur.MUST_NOT);
        }

        TermQuery privateRecordTQ = new TermQuery(new Term(IndexField.PUBLIC_RECORD_FIELD, "F"));
        privateRecordQuery.add(privateRecordTQ, BooleanClause.Occur.MUST);

        DocSet privateRecordIdDocSet = searcher.getDocSet(privateRecordQuery);

        if (privateRecordIdDocSet.size() > 0) {
            RecordServices recordServices = ConstellioSpringUtils.getRecordServices();
            ACLServices aclServices = ConstellioSpringUtils.getACLServices();
            ConnectorManagerServices connectorManagerServices = ConstellioSpringUtils
                    .getConnectorManagerServices();

            List<Record> privateRecords = new ArrayList<Record>();
            DocIterator docIt = privateRecordIdDocSet.iterator();
            while (docIt.hasNext()) {
                int docId = docIt.nextDoc();
                Document luceneDoc = searcher.doc(docId);
                Long recordId = new Long(luceneDoc.get(IndexField.RECORD_ID_FIELD));
                Record record = recordServices.get(recordId, collection);
                privateRecords.add(record);
            }
            // First pass : Remove ACL authorized records
            List<Record> unevaluatedPrivateRecords = aclServices.removeAuthorizedRecords(privateRecords, user);
            if (!unevaluatedPrivateRecords.isEmpty()) {
                Set<UserCredentials> userCredentials = user.getUserCredentials();
                // Second pass : Ask the connector manager
                ConnectorManager connectorManager = connectorManagerServices.getDefaultConnectorManager();
                List<Record> authorizedRecords = connectorManagerServices
                        .authorizeByConnector(unevaluatedPrivateRecords, userCredentials, connectorManager);
                List<Record> unauthorizedRecords = ListUtils.removeAll(unevaluatedPrivateRecords,
                        authorizedRecords);

                if (!unauthorizedRecords.isEmpty()) {
                    // Create a new query which will exclude unauthorized records
                    BooleanQuery authorizedRecordQuery = new BooleanQuery(true);
                    authorizedRecordQuery.add(query, BooleanClause.Occur.MUST);
                    for (Record unauthorizedRecord : unauthorizedRecords) {
                        TermQuery unauthorizedRecordTQ = new TermQuery(
                                new Term(IndexField.RECORD_ID_FIELD, "" + unauthorizedRecord.getId()));
                        authorizedRecordQuery.add(unauthorizedRecordTQ, BooleanClause.Occur.MUST_NOT);
                    }
                    rb.setQuery(authorizedRecordQuery);
                }
            }
        }
    } else {
        BooleanQuery publicRecordQuery = new BooleanQuery(true);
        publicRecordQuery.add(query, BooleanClause.Occur.MUST);
        TermQuery publicRecordTQ = new TermQuery(new Term(IndexField.PUBLIC_RECORD_FIELD, "T"));
        publicRecordQuery.add(publicRecordTQ, BooleanClause.Occur.MUST);
        for (TermQuery restrictionCollectionQuery : restrictedCollectionQueries) {
            publicRecordQuery.add(restrictionCollectionQuery, BooleanClause.Occur.MUST_NOT);
        }
        rb.setQuery(publicRecordQuery);
    }
}

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;
            }//from www .  j a va2 s. c  om
        }
    }

    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;
}