Examples of com.mongodb.WriteResult

com.mongodb.WriteResult
This class lets you access the results of the previous write. if you have STRICT mode on, this just stores the result of that getLastError call if you don't, then this will actually do the getlasterror call. if another operation has been done on this connection in the interim, calls will fail

            builder.add("base", state.get("base"));
        }
        builder.add("head", head.toString());
        DBObject nextState = builder.get();


        WriteResult result =
                journals.update(state, nextState, false, false, concern);
        if (result.getN() == 1) {
            state = nextState;
            stateLastUpdated = System.nanoTime();
            return true;
        } else {
            // force refresh when next accessed

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        if (batch) {
            DBObject[] arr = new BasicDBObject[n];
            for (int i = 0; i < n; i++) {
                arr[i] = new BasicDBObject("_path", "/a" + i);
            }
            WriteResult result = collection.insert(arr);
            if (result.getError() != null) {
                log("Error: " + result.getError());
            }
        } else {
            for (int i = 0; i < n; i++) {
                WriteResult result = collection.insert(new BasicDBObject("_path", "/a" + i));
                if (result.getError() != null) {
                    log("Error: " + result.getError());
                }
            }


        }

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        try {
            DBCollection collection = this.connection.getDB().getCollection(collectionName);
            DBObject object = buildDBObject(record);
            DBObject translation = buildDBObject(translationRecord);
            if (operation == MongoOperation.UPDATE) {
                WriteResult result = collection.update(translation, object, mongoSpec.isUpsert(), mongoSpec.isMulti());
                return result.getN() > 0;
            } else {
                throw new ResourceException("Invalid operation: " + operation);                
            }
        } catch (Exception exception) {
            ResourceException resourceException = new ResourceException(exception.toString());

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    public <T extends Document> void remove(Collection<T> collection, String key) {
        log("remove", key);        
        DBCollection dbCollection = getDBCollection(collection);
        long start = start();
        try {
            WriteResult writeResult = dbCollection.remove(getByKeyQuery(key).get(), WriteConcern.SAFE);
            invalidateCache(collection, key);
            if (writeResult.getError() != null) {
                throw new MicroKernelException("Remove failed: " + writeResult.getError());
            }
        } finally {
            end("remove", start);
        }
    }

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        DBCollection dbCollection = getDBCollection(collection);
        long start = start();
        try {
            try {
                WriteResult writeResult = dbCollection.insert(inserts, WriteConcern.SAFE);
                if (writeResult.getError() != null) {
                    return false;
                }
                if (collection == Collection.NODES) {
                    for (T doc : docs) {
                        Lock lock = getAndLock(doc.getId());

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                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()) {
                    Lock lock = getAndLock(entry.getKey());
                    try {

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        }
        String id = StringUtils.convertBytesToHex(blockId.getDigest());
        DBObject query = getBlobQuery(id, minLastModified);
        DBObject update = new BasicDBObject("$set",
                new BasicDBObject(MongoBlob.KEY_LAST_MOD, System.currentTimeMillis()));
        WriteResult writeResult = getBlobCollection().update(query, update);
        if (writeResult.getError() != null) {
            LOG.error("Mark failed for blob %s: %s", id, writeResult.getError());
        }
    }

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    @Override
    public int sweep() throws IOException {
        DBObject query = getBlobQuery(null, minLastModified);
        long countBefore = getBlobCollection().count(query);
        WriteResult writeResult = getBlobCollection().remove(query);
        if (writeResult.getError() != null) {
            LOG.error("Sweep failed: %s", writeResult.getError());
        }


        long countAfter = getBlobCollection().count(query);
        minLastModified = 0;
        return (int) (countBefore - countAfter);

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    public boolean deleteChunk(String chunkId) throws Exception {
        DBCollection collection = getBlobCollection();
        BasicDBObject removeObj = new BasicDBObject();
        removeObj.append(MongoBlob.KEY_ID, chunkId);


        WriteResult result = collection.remove(removeObj);
        if (result.getN() == 1) {
            return true;
        }


        return false;
    }

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        if (batch) {
            DBObject[] arr = new BasicDBObject[n];
            for (int i = 0; i < n; i++) {
                arr[i] = new BasicDBObject("_path", "/a" + i);
            }
            WriteResult result = collection.insert(arr);
            if (result.getError() != null) {
                log("Error: " + result.getError());
            }
        } else {
            for (int i = 0; i < n; i++) {
                WriteResult result = collection.insert(new BasicDBObject("_path", "/a" + i));
                if (result.getError() != null) {
                    log("Error: " + result.getError());
                }
            }


        }

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