Package com.mongodb

Examples of com.mongodb.QueryBuilder$NullObject


    }

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

        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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    @Override
    public int deleteSplitDocuments(Set<SplitDocType> gcTypes, long oldestRevTimeStamp) {
        //OR condition has to be first as we have a index for that
        //((type == DEFAULT_NO_CHILD || type == PROP_COMMIT_ONLY ..) && _sdMaxRevTime < oldestRevTimeStamp(in secs)
        QueryBuilder orClause = start();
        for(SplitDocType type : gcTypes){
            orClause.or(start(NodeDocument.SD_TYPE).is(type.typeCode()).get());
        }
        DBObject query = start()
                .and(
                    orClause.get(),
                    start(NodeDocument.SD_MAX_REV_TIME_IN_SECS)
                        .lessThan(NodeDocument.getModifiedInSecs(oldestRevTimeStamp))
                        .get()
                ).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;
            try {
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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;
            }
View Full Code Here

    @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);
        // make sure we don't modify the original updateOp
        updateOp = updateOp.copy();
        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(new StringValue(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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                                              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);
            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;
            }
View Full Code Here

    @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()) {
View Full Code Here

    }

    @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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        }
        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();
    }
View Full Code Here

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