Example usage for com.mongodb WriteResult getN

Introduction

In this page you can find the example usage for com.mongodb WriteResult getN.

Prototype

public int getN() 

Source Link

Document

Gets the "n" field, which contains the number of documents affected in the write operation.

Usage

From source file:org.apache.chemistry.opencmis.mongodb.MongodbUtils.java

License:Apache License

public void removeNode(BasicDBObject node) {
    // Update all affected right and left values which are greater or equal
    // to the parents right value - we are incrementing to compress the void 
    // left by the removal of the node
    db.getCollection(COLLECTION_CONTENT).update(
            new BasicDBObject().append("right", new BasicDBObject().append("$gt", node.getLong("right"))),
            new BasicDBObject().append("$inc", new BasicDBObject().append("right", -2)), false, true);

    db.getCollection(COLLECTION_CONTENT).update(
            new BasicDBObject().append("left", new BasicDBObject().append("$gt", node.getLong("right"))),
            new BasicDBObject().append("$inc", new BasicDBObject().append("left", -2)), false, true);

    // Finally remove the node 

    WriteResult result = db.getCollection(COLLECTION_CONTENT).remove(node);
    if (result.getN() != 1) {
        throw new MongoException("Error while removing the node from the database.");
    }/*from w  ww.  j a  v  a  2 s .c  o  m*/
}

---

From source file:org.apache.drill.exec.store.mongo.config.MongoPStore.java

License:Apache License

@Override
public boolean putIfAbsent(String key, V value) {
    try {//from  w ww.ja v a2 s.c  o m
        DBObject check = new BasicDBObject(1).append(ID, key);
        DBObject putObj = new BasicDBObject(2);
        putObj.put(pKey, bytes(value));
        WriteResult wr = collection.update(check, putObj, true, false);
        return wr.getN() == 1 ? true : false;
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        throw new DrillRuntimeException(e.getMessage(), e);
    }
}

---

From source file:org.apache.gora.mongodb.store.MongoStore.java

License:Apache License

@Override
public boolean delete(final K key) {
    DBObject removeKey = new BasicDBObject("_id", key);
    WriteResult writeResult = mongoClientColl.remove(removeKey);
    return writeResult != null && writeResult.getN() > 0;
}

---

From source file:org.apache.gora.mongodb.store.MongoStore.java

License:Apache License

@Override
public long deleteByQuery(final Query<K, T> query) {
    // Build the actual MongoDB query
    DBObject q = MongoDBQuery.toDBQuery(query);
    WriteResult writeResult = mongoClientColl.remove(q);
    if (writeResult != null) {
        return writeResult.getN();
    }/*from   www .j a  v a  2s .  c om*/
    return 0;
}

---

From source file:org.apache.jackrabbit.oak.plugins.document.mongo.MongoBlobStore.java

License:Apache License

@Override
public long countDeleteChunks(List<String> chunkIds, long maxLastModifiedTime) throws Exception {
    DBCollection collection = getBlobCollection();
    QueryBuilder queryBuilder = new QueryBuilder();
    if (chunkIds != null) {
        queryBuilder = queryBuilder.and(MongoBlob.KEY_ID).in(chunkIds.toArray(new String[0]));
        if (maxLastModifiedTime > 0) {
            queryBuilder = queryBuilder.and(MongoBlob.KEY_LAST_MOD).lessThan(maxLastModifiedTime);
        }// www . j  a  v a 2 s .com
    }

    WriteResult result = collection.remove(queryBuilder.get());
    return result.getN();
}

---

From source file:org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.java

License:Apache License

@SuppressWarnings("unchecked")
@CheckForNull// w w  w.  j  a  v a 2  s . c o m
private <T extends Document> T findAndModify(Collection<T> collection, UpdateOp updateOp, boolean upsert,
        boolean checkConditions) {
    DBCollection dbCollection = getDBCollection(collection);
    // make sure we don't modify the original updateOp
    updateOp = updateOp.copy();
    DBObject update = createUpdate(updateOp, false);

    Lock lock = null;
    if (collection == Collection.NODES) {
        lock = nodeLocks.acquire(updateOp.getId());
    }
    final Stopwatch watch = startWatch();
    boolean newEntry = false;
    try {
        // get modCount of cached document
        Long modCount = null;
        T cachedDoc = null;
        if (collection == Collection.NODES) {
            cachedDoc = (T) nodesCache.getIfPresent(updateOp.getId());
            if (cachedDoc != null) {
                modCount = cachedDoc.getModCount();
            }
        }

        // perform a conditional update with limited result
        // if we have a matching modCount
        if (modCount != null) {

            QueryBuilder query = createQueryForUpdate(updateOp.getId(), updateOp.getConditions());
            query.and(Document.MOD_COUNT).is(modCount);

            WriteResult result = dbCollection.update(query.get(), update);
            if (result.getN() > 0) {
                // success, update cached document
                if (collection == Collection.NODES) {
                    NodeDocument newDoc = (NodeDocument) applyChanges(collection, cachedDoc, updateOp);
                    nodesCache.put(newDoc);
                }
                // return previously cached document
                return cachedDoc;
            }
        }

        // conditional update failed or not possible
        // perform operation and get complete document
        QueryBuilder query = createQueryForUpdate(updateOp.getId(), updateOp.getConditions());
        DBObject oldNode = dbCollection.findAndModify(query.get(), null, null /*sort*/, false /*remove*/,
                update, false /*returnNew*/, upsert);

        if (oldNode == null) {
            newEntry = true;
        }

        if (checkConditions && oldNode == null) {
            return null;
        }
        T oldDoc = convertFromDBObject(collection, oldNode);
        if (oldDoc != null) {
            if (collection == Collection.NODES) {
                NodeDocument newDoc = (NodeDocument) applyChanges(collection, oldDoc, updateOp);
                nodesCache.put(newDoc);
                updateLocalChanges(newDoc);
            }
            oldDoc.seal();
        } else if (upsert) {
            if (collection == Collection.NODES) {
                NodeDocument doc = (NodeDocument) collection.newDocument(this);
                UpdateUtils.applyChanges(doc, updateOp);
                nodesCache.putIfAbsent(doc);
                updateLocalChanges(doc);
            }
        } else {
            // updateOp without conditions and not an upsert
            // this means the document does not exist
        }
        return oldDoc;
    } catch (Exception e) {
        throw DocumentStoreException.convert(e);
    } finally {
        if (lock != null) {
            lock.unlock();
        }
        stats.doneFindAndModify(watch.elapsed(TimeUnit.NANOSECONDS), collection, updateOp.getId(), newEntry,
                true, 0);
    }
}

---

From source file:org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStoreHelper.java

License:Apache License

public static void repair(MongoDocumentStore store, String path) {
    DBCollection col = store.getDBCollection(NODES);
    String id = Utils.getIdFromPath(path);

    NodeDocument doc = store.find(NODES, id);
    if (doc == null) {
        System.out.println("No document for path " + path);
        return;//from w w w  .  ja  va 2s . c o  m
    }

    Set<Revision> changes = Sets.newHashSet();
    for (String key : doc.keySet()) {
        if (Utils.isPropertyName(key) || NodeDocument.isDeletedEntry(key)) {
            changes.addAll(getLocalMap(doc, key).keySet());
        }
    }

    SortedMap<Revision, String> commitRoot = newTreeMap(getLocalCommitRoot(doc));
    if (!commitRoot.keySet().retainAll(changes)) {
        System.out.println("Nothing to repair on " + path);
        return;
    }

    Number modCount = doc.getModCount();
    if (modCount == null) {
        System.err.println("Document does not have a modCount " + path);
        return;
    }
    DBObject query = QueryBuilder.start(Document.ID).is(id).and(Document.MOD_COUNT).is(modCount).get();
    DBObject cr = new BasicDBObject();
    for (Map.Entry<Revision, String> entry : commitRoot.entrySet()) {
        cr.put(entry.getKey().toString(), entry.getValue());
    }

    DBObject update = new BasicDBObject();
    update.put("$set", new BasicDBObject(commitRoot(), cr));
    update.put("$inc", new BasicDBObject(Document.MOD_COUNT, 1L));

    WriteResult result = col.update(query, update);
    if (result.getN() == 1) {
        int num = getLocalCommitRoot(doc).size() - commitRoot.size();
        System.out.println("Removed " + num + " _commitRoot entries on " + path);
    } else {
        System.out.println("Unable to repair " + path + " (concurrent update).");
    }

}

---

From source file:org.apache.nutch.crawl.GeneratorJob2.java

License:Apache License

public int generateBatchId(Configuration conf, String batchId) {
    MongoClient mongoClient = null;/*from   w  w  w .  j  av  a  2  s . co  m*/
    try {
        mongoClient = new MongoClient(goraMongoAddress);
        DB db = mongoClient.getDB(goraMongoDb);
        String cId = conf.get(Nutch.CRAWL_ID_KEY);
        String collPrefix = "";
        if (org.apache.commons.lang3.StringUtils.isNoneEmpty(cId)) {
            collPrefix = cId + "_";
        }
        String crawlColl = collPrefix + "webpage";
        DBCollection collOps = db.getCollection(crawlColl);
        //update({"count":{$gt:20}},{$set:{"name":"c4"}},false,true)  
        BasicDBObject q = new BasicDBObject("batchId", null);

        DBObject set = new BasicDBObject("batchId", batchId);
        set.put("markers._gnmrk_", batchId);
        BasicDBObject o = new BasicDBObject("$set", set);
        WriteResult wr = collOps.update(q, o, false, true);
        long curTime = System.currentTimeMillis();
        //taotoxht add
        q = new BasicDBObject();
        q.append("fetchTime", new BasicDBObject().append(QueryOperators.GT, curTime));
        o = new BasicDBObject();
        o.append("$set", new BasicDBObject().append("fetchTime", curTime));
        collOps.update(q, o, false, true);

        return wr.getN();
    } catch (Exception e) {
        e.printStackTrace();
        return 0;

    } finally {
        if (mongoClient != null) {
            mongoClient.close();
        }
    }

}

---

From source file:org.apache.rave.portal.repository.impl.MongoModelTemplate.java

License:Apache License

@Override
public int update(Query query, Update update) {
    WriteResult result = mongoTemplate.updateMulti(query, update, collection);
    return result.getN();
}

---

From source file:org.apache.rya.mongodb.instance.MongoRyaInstanceDetailsRepository.java

License:Apache License

@Override
public void update(final RyaDetails oldDetails, final RyaDetails newDetails)
        throws NotInitializedException, ConcurrentUpdateException, RyaDetailsRepositoryException {
    // Preconditions.
    requireNonNull(oldDetails);/*from w ww .  j a v  a  2  s. c  o  m*/
    requireNonNull(newDetails);

    if (!newDetails.getRyaInstanceName().equals(instanceName)) {
        throw new RyaDetailsRepositoryException(
                "The instance name that was in the provided 'newDetails' does not match "
                        + "the instance name that this repository is connected to. Make sure you're connected to the"
                        + "correct Rya instance.");
    }

    if (!isInitialized()) {
        throw new NotInitializedException("Could not update the details for the Rya instanced named '"
                + instanceName + "' because it has not been initialized yet.");
    }

    if (oldDetails.equals(newDetails)) {
        return;
    }

    final DBCollection col = db.getCollection(INSTANCE_DETAILS_COLLECTION_NAME);
    final DBObject oldObj = MongoDetailsAdapter.toDBObject(oldDetails);
    final DBObject newObj = MongoDetailsAdapter.toDBObject(newDetails);
    final WriteResult result = col.update(oldObj, newObj);

    //since there is only 1 document, there should only be 1 update.
    if (result.getN() != 1) {
        throw new ConcurrentUpdateException("Could not update the details for the Rya instance named '"
                + instanceName + "' because the old value is out of date.");
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• »