List of usage examples for com.mongodb DBCursor iterator
@Override
public Iterator<DBObject> iterator()
Creates a copy of this cursor object that can be iterated.
From source file:com.imaginea.mongodb.services.GridFSServiceImpl.java
License:Apache License
/** * Service implementation for getting the list of files stored in GridFS of specified database. * * @param dbName Name of Database/*from w w w . j av a2 s . co m*/ * @param bucketName Name of GridFS Bucket * @returns JSON representation of list of all files as a String. */ public ArrayList<DBObject> getFileList(String dbName, String bucketName) throws ValidationException, DatabaseException, CollectionException { mongoInstance = mongoInstanceProvider.getMongoInstance(); if (dbName == null) { throw new EmptyDatabaseNameException("Database Name Is Null"); } if (dbName.equals("")) { throw new EmptyDatabaseNameException("Database Name Empty"); } ArrayList<DBObject> fileList = new ArrayList<DBObject>(); try { if (!mongoInstance.getDatabaseNames().contains(dbName)) { throw new UndefinedDatabaseException( "Database with dbName [ " + dbName + "] does not exist"); } GridFS gridFS = new GridFS(mongoInstance.getDB(dbName), bucketName); Field field = GridFS.class.getDeclaredField("_filesCollection"); field.setAccessible(true); DBCollection filesCollection = (DBCollection) field.get(gridFS); DBCursor cursor = filesCollection.find().sort(new BasicDBObject("uploadDate", -1)); Iterator<DBObject> it = cursor.iterator(); while (it.hasNext()) { fileList.add(it.next()); } } catch (Exception m) { CollectionException e = new CollectionException(ErrorCodes.GET_COLLECTION_LIST_EXCEPTION, "GET_FILES_LIST_EXCEPTION", m.getCause()); throw e; } return fileList; }
From source file:com.petpet.c3po.dao.mongo.MongoIterator.java
License:Apache License
/** * Creates an iterator.// w w w. j a v a2 s .c om * * @param deserializer * the deserializer to use. * @param cursor * the cursor to use. * @throws IllegalArgumentException * if the desearializer is null. */ public MongoIterator(MongoModelDeserializer deserializer, DBCursor cursor) { if (cursor != null) this.iter = cursor.iterator(); if (deserializer == null) { throw new IllegalArgumentException("Deserializer cannot be null"); } this.deserializer = deserializer; }
From source file:com.smbtec.xo.mongodb.impl.MongoDbRepositoryImpl.java
License:Apache License
@Override public <T> ResultIterable<T> findAll(Class<T> type) { EntityTypeMetadata<DocumentMetadata> entityMetadata = checkEntityMetadata(type); String collectionName = entityMetadata.getDatastoreMetadata().getDiscriminator(); DBCursor cursor = database.getCollection(collectionName).find(); if (cursor == null) { return null; } else {/*from w w w .j a v a2 s. com*/ Iterator<DBObject> iterator = cursor.iterator(); return xoSession.toResult(new ResultIterator<MongoDbDocument>() { @Override public boolean hasNext() { return iterator.hasNext(); } @Override public MongoDbDocument next() { return new MongoDbDocument(iterator.next(), collectionName); } @Override public void close() { } }); } }
From source file:com.sube.daos.mongodb.CardMongoDaoImpl.java
License:Apache License
@Override public List<SubeCard> getCards(SubeCard subeCard) throws InvalidSubeCardException { DBCollection collection = getCardCollection(); DBCursor cursor = collection.find(getCardQuery(subeCard)); Iterator<DBObject> iterator = cursor.iterator(); List<SubeCard> cards = new ArrayList<SubeCard>(); while (iterator.hasNext()) { DBObject dbObject = iterator.next(); cards.add(subeCardParser.parse(dbObject)); }// ww w . j a va 2s .c o m return cards; }
From source file:de.flapdoodle.mongoom.datastore.query.QueryResult.java
License:Apache License
private List<T> asList(DBCursor cursor) { return Lists.transform(Lists.newArrayList(cursor.iterator()), new DBObjectToEntityTransformator()); }
From source file:ezbake.locksmith.db.AbstractLocksmithManager.java
License:Apache License
protected boolean keyExists(String id) { DBObject projection = new BasicDBObject(); projection.put(KEY_ID, 1);/* w ww.ja v a2s. c o m*/ DBCursor cursor = mongoService.findInCollection(tableName, keyQuery(id), projection); Iterator<DBObject> it = cursor.iterator(); return it.hasNext(); }
From source file:ezbake.locksmith.db.AesLocksmithManager.java
License:Apache License
@Override public byte[] getKey(String keyId, String user) throws KeyNotFoundException { byte[] keyData = null; DBObject projection = new BasicDBObject(); projection.put(KEY_ID, 1);/*from www . j a v a2s .c o m*/ projection.put(KEY_DATA, 1); DBCursor cursor = mongoService.findInCollection(getTableName(), keyQuery(keyId, user), projection); Iterator<DBObject> it = cursor.iterator(); if (it.hasNext()) { DBObject obj = it.next(); keyData = (byte[]) obj.get(KEY_DATA); } else { throw new KeyNotFoundException("No key found for key ID: " + keyId + ", Owner: " + user); } return keyData; }
From source file:ezbake.locksmith.db.RsaLocksmithManager.java
License:Apache License
@Override public byte[] getKey(String keyId, String owner) throws KeyNotFoundException { byte[] result = null; BasicDBObject projection = new BasicDBObject(); projection.put(KEY_ID, 1);/*from w w w . ja va 2 s.c o m*/ projection.put(KEY_DATA, 1); DBCursor cursor = mongoService.findInCollection(getTableName(), keyQuery(keyId, owner), projection); Iterator<DBObject> it = cursor.iterator(); if (it.hasNext()) { DBObject obj = it.next(); result = (byte[]) obj.get(KEY_DATA); } else { throw new KeyNotFoundException("No key found for key ID: " + keyId + ", Owner: " + owner); } return result; }
From source file:io.hipstogram.trident.mongodb.MongoDBMapState.java
License:Apache License
@Override public List<T> multiGet(List<List<Object>> keys) { try {/* ww w . j ava 2 s .c om*/ List<T> values = new ArrayList<T>(); for (List<Object> rowKey : keys) { Query operation = mapper.retrieve(rowKey); DBCursor results = coll.find(operation.getQuery(), operation.getProjection()); Iterator<DBObject> docIter = results.iterator(); DBObject doc; if (results != null && docIter.hasNext() && (doc = docIter.next()) != null) { if (docIter.hasNext()) { LOG.error("Found non-unique value for key [{}]", rowKey); } else { values.add((T) mapper.getValue(doc)); } } else { values.add(null); } } _mreads.incrBy(values.size()); LOG.debug("Retrieving the following keys: {} with values: {}", keys, values); return values; } catch (Exception e) { e.printStackTrace(); //throw new IllegalStateException("Impossible to reach this code"); return new ArrayList<T>(); } }
From source file:MDBInt.DBMongo.java
License:Apache License
/** * function that returns all element in collection without * _id,credentialList, federationPassword * * @param dbName/*from w w w . jav a 2 s . c o m*/ * @param collectionName */ public void listFederatedUser(String dbName, String collectionName) { DBCursor cursore; DB dataBase; DBCollection collezione; BasicDBObject campi; Iterator<DBObject> it; dataBase = this.getDB(dbName); collezione = this.getCollection(dataBase, collectionName); campi = new BasicDBObject(); campi.put("_id", 0); campi.put("crediantialList", 0); campi.put("federationPassword", 0); cursore = collezione.find(new BasicDBObject(), campi); it = cursore.iterator(); while (it.hasNext()) { System.out.println(it.next()); } }