Package com.mongodb

Examples of com.mongodb.QueryBuilder$NullObject

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        return new AlertImpl(fields);
    }

    @Override
    public List<Alert> loadRecentOfStream(String streamId, DateTime since) {
        QueryBuilder qb = QueryBuilder.start("stream_id").is(streamId);

        if (since != null) {
            qb.and("triggered_at").greaterThanEquals(since.toDate());
        }

        BasicDBObject sort = new BasicDBObject("triggered_at", -1);

        final List<DBObject> alertObjects = query(AlertImpl.class,
                qb.get(),
                sort,
                AlertImpl.MAX_LIST_COUNT,
                0
        );
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                // Change in level or last element
                if (!sameLevelNodes.isEmpty() &&
                        ((hasMore && tn.level() != pitr.peek().level()) || !hasMore)) {

                    QueryBuilder query = QueryBuilder.start(Document.ID)
                            .in(sameLevelNodes.keySet());

                    // Fetch lastRev and modCount for each such nodes
                    DBCursor cursor = nodes.find(query.get(), keys);
                    LOG.debug(
                            "Checking for changed nodes at level {} with {} paths",
                            tn.level(), sameLevelNodes.size());
                    result.queryCount++;
                    for (DBObject obj : cursor) {
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        }
        return blob;
    }

    private static DBObject getBlobQuery(String id, long lastMod) {
        QueryBuilder queryBuilder = new QueryBuilder();
        if (id != null) {
            queryBuilder = queryBuilder.and(MongoBlob.KEY_ID).is(id);
        }
        if (lastMod > 0) {
            queryBuilder = queryBuilder.and(MongoBlob.KEY_LAST_MOD).lessThan(lastMod);
        }
        return queryBuilder.get();
    }
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                                              String indexedProperty,
                                              long startValue,
                                              int limit) {
        log("query", fromKey, toKey, limit);
        DBCollection dbCollection = getDBCollection(collection);
        QueryBuilder queryBuilder = QueryBuilder.start(Document.ID);
        queryBuilder.greaterThan(fromKey);
        queryBuilder.lessThan(toKey);
        if (indexedProperty != null) {
            queryBuilder.and(indexedProperty);
            queryBuilder.greaterThanEquals(startValue);
        }
        DBObject query = queryBuilder.get();
        long start = start();
        try {
            DBCursor cursor = dbCollection.find(query).sort(BY_ID_ASC);
            List<T> list = new ArrayList<T>();
            for (int i = 0; i < limit && cursor.hasNext(); i++) {
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            }

            // perform a conditional update with limited result
            // if we have a matching modCount
            if (modCount != null) {
                QueryBuilder query = createQueryForUpdate(updateOp, checkConditions);
                query.and(Document.MOD_COUNT).is(modCount);
                DBObject fields = new BasicDBObject();
                // return _id only
                fields.put("_id", 1);

                DBObject oldNode = dbCollection.findAndModify(query.get(), fields,
                        null /*sort*/, false /*remove*/, update, false /*returnNew*/,
                        false /*upsert*/);
                if (oldNode != null) {
                    // success, update cached document
                    applyToCache(collection, cachedDoc, updateOp);
                    // return previously cached document
                    return cachedDoc;
                }
            }

            // conditional update failed or not possible
            // perform operation and get complete document
            QueryBuilder query = createQueryForUpdate(updateOp, checkConditions);
            DBObject oldNode = dbCollection.findAndModify(query.get(), null,
                    null /*sort*/, false /*remove*/, update, false /*returnNew*/,
                    upsert);
            if (checkConditions && oldNode == null) {
                return null;
            }
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    @Override
    public <T extends Document> void update(Collection<T> collection,
                                            List<String> keys,
                                            UpdateOp updateOp) {
        DBCollection dbCollection = getDBCollection(collection);
        QueryBuilder query = QueryBuilder.start(Document.ID).in(keys);
        DBObject update = createUpdate(updateOp);
        long start = start();
        try {
            Map<String, NodeDocument> cachedDocs = Collections.emptyMap();
            if (collection == Collection.NODES) {
                cachedDocs = Maps.newHashMap();
                for (String key : keys) {
                    cachedDocs.put(key, nodesCache.getIfPresent(key));
                }
            }
            try {
                WriteResult writeResult = dbCollection.update(query.get(), update, false, true, WriteConcern.SAFE);
                if (writeResult.getError() != null) {
                    throw new MicroKernelException("Update failed: " + writeResult.getError());
                }
                // update cache
                for (Entry<String, NodeDocument> entry : cachedDocs.entrySet()) {
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    }

    @Nonnull
    private static QueryBuilder createQueryForUpdate(UpdateOp updateOp,
                                              boolean checkConditions) {
        QueryBuilder query = getByKeyQuery(updateOp.id);

        for (Entry<Key, Operation> entry : updateOp.getChanges().entrySet()) {
            Key k = entry.getKey();
            Operation op = entry.getValue();
            switch (op.type) {
                case CONTAINS_MAP_ENTRY: {
                    if (checkConditions) {
                        query.and(k.toString()).exists(op.value);
                    }
                    break;
                }
            }
        }
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        public InvalidationResult invalidateCache() {
            final Map<String, NodeDocument> cacheMap = documentStore.getCache();
            final InvalidationResult result = new InvalidationResult();
            result.cacheSize = cacheMap.size();

            QueryBuilder query = QueryBuilder.start(Document.ID)
                    .in(cacheMap.keySet());

            // Fetch only the lastRev map and id
            final BasicDBObject keys = new BasicDBObject(Document.ID, 1);
            keys.put(Document.MOD_COUNT, 1);

            // Fetch lastRev for each such node
            DBCursor cursor = nodes.find(query.get(), keys);
            result.queryCount++;
            for (DBObject obj : cursor) {
                result.cacheEntriesProcessedCount++;
                String id = (String) obj.get(Document.ID);
                Number modCount = (Number) obj.get(Document.MOD_COUNT);
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                doc.put("_mod", group);
            }
            nodes.insert(inserts, WriteConcern.SAFE);
            log("inserted " + i + "/" + children);
        }
        QueryBuilder queryBuilder = QueryBuilder.start("_mod");
        queryBuilder.greaterThanEquals(group - 1);
        queryBuilder.and("_id").greaterThan(parent + "/");
        queryBuilder.and("_id").lessThanEquals(parent + "0");
        DBObject query = queryBuilder.get();
        BasicDBObject keys = new BasicDBObject();
        keys.put("_id", 1);
        DBCursor cursor = nodes.find(query, keys);
        int count = 0;
        log("Query plan: " + cursor.explain());
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        time = System.currentTimeMillis() - time;
        System.out.println("insert: " + time);
        time = System.currentTimeMillis();
       
        for (int i = 0; i < nodeCount; i++) {
            QueryBuilder queryBuilder = QueryBuilder.start(Document.ID).is(parent + "/node" + i);
            DBObject fields = new BasicDBObject();
            // return _id only
            fields.put("_id", 1);
            DBObject query = queryBuilder.get();

            BasicDBObject setUpdates = new BasicDBObject();
            BasicDBObject incUpdates = new BasicDBObject();
            BasicDBObject unsetUpdates = new BasicDBObject();
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  • org.apache.gora.mongodb.filters.DefaultFactory
  • org.apache.jackrabbit.mongomk.blob.MongoBlobStore
  • org.apache.jackrabbit.mongomk.impl.action.FetchCommitsAction
  • org.apache.jackrabbit.mongomk.impl.action.FetchHeadRevisionIdAction
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  • org.apache.jackrabbit.mongomk.impl.action.FetchNodesActionNew
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