Example usage for com.mongodb.client MongoDatabase getCollection

List of usage examples for com.mongodb.client MongoDatabase getCollection

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Introduction

In this page you can find the example usage for com.mongodb.client MongoDatabase getCollection.

Prototype

MongoCollection<Document> getCollection(String collectionName);

Source Link

Document

Gets a collection.

Usage

From source file:com.techngage.smartbin.RouteDAO.java

License:Apache License

public RouteDAO(final MongoDatabase smartbinDatabase) {
    routeCollection = smartbinDatabase.getCollection("route");
}

From source file:com.techngage.smartbin.SessionDAO.java

License:Apache License

public SessionDAO(final MongoDatabase smartbinDatabase) {
    sessionsCollection = smartbinDatabase.getCollection("sessions");
}

From source file:com.techngage.smartbin.TruckDAO.java

License:Apache License

public TruckDAO(final MongoDatabase smartbinDatabase) {
    truckCollection = smartbinDatabase.getCollection("truck");
}

From source file:com.techngage.smartbin.UserDAO.java

License:Apache License

public UserDAO(final MongoDatabase smartbinDatabase) {
    usersCollection = smartbinDatabase.getCollection("users");
}

From source file:com.telefonica.iot.cygnus.backends.mongo.MongoBackend.java

License:Open Source License

/**
 * Inserts a new document in the given raw collection within the given database (row-like mode).
 * @param dbName/*w ww  .  j  ava 2s  .c o m*/
 * @param collectionName
 * @param recvTimeTs
 * @param recvTime
 * @param entityId
 * @param entityType
 * @param attrName
 * @param attrType
 * @param attrValue
 * @param attrMd
 * @throws Exception
 */
public void insertContextDataRaw(String dbName, String collectionName, long recvTimeTs, String recvTime,
        String entityId, String entityType, String attrName, String attrType, String attrValue, String attrMd)
        throws Exception {
    MongoDatabase db = getDatabase(dbName);
    MongoCollection collection = db.getCollection(collectionName);
    Document doc = new Document("recvTime", new Date(recvTimeTs * 1000));

    switch (dataModel) {
    case COLLECTIONPERSERVICEPATH:
        doc.append("entityId", entityId).append("entityType", entityType).append("attrName", attrName)
                .append("attrType", attrType).append("attrValue", attrValue);
        break;
    case COLLECTIONPERENTITY:
        doc.append("attrName", attrName).append("attrType", attrType).append("attrValue", attrValue);
        break;
    case COLLECTIONPERATTRIBUTE:
        doc.append("attrType", attrType).append("attrValue", attrValue);
        break;
    default:
        // this will never be reached
    } // switch

    LOGGER.debug("Inserting data=" + doc.toString() + " within collection=" + collectionName);
    collection.insertOne(doc);
}

From source file:com.telefonica.iot.cygnus.backends.mongo.MongoBackend.java

License:Open Source License

/**
 * Inserts a new document with given resolution in the given aggregated collection within the given database
 * (row-like mode)./*from w ww  .j  a va  2 s  . c  om*/
 * @param dbName
 * @param collectionName
 * @param recvTimeTs
 * @param entityId
 * @param entityType
 * @param attrName
 * @param attrType
 * @param attrValue
 * @param resolution
 */
private void insertContextDataAggregatedForResoultion(String dbName, String collectionName,
        GregorianCalendar calendar, String entityId, String entityType, String attrName, String attrType,
        double attrValue, Resolution resolution) {
    // get database and collection
    MongoDatabase db = getDatabase(dbName);
    MongoCollection collection = db.getCollection(collectionName);

    // build the query
    BasicDBObject query = buildQueryForInsertAggregated(calendar, entityId, entityType, attrName, resolution);

    // prepopulate if needed
    BasicDBObject insert = buildInsertForPrepopulate(attrType, resolution);
    UpdateResult res = collection.updateOne(query, insert, new UpdateOptions().upsert(true));

    if (res.getMatchedCount() == 0) {
        LOGGER.debug("Prepopulating data, database=" + dbName + ", collection=" + collectionName + ", query="
                + query.toString() + ", insert=" + insert.toString());
    } // if

    // do the update
    BasicDBObject update = buildUpdateForUpdate(attrType, attrValue);
    LOGGER.debug("Updating data, database=" + dbName + ", collection=" + collectionName + ", query="
            + query.toString() + ", update=" + update.toString());
    collection.updateOne(query, update);
}

From source file:com.telefonica.iot.cygnus.backends.mongo.MongoBackend.java

License:Open Source License

/**
 * Stores in per-service/database "collection_names" collection the matching between a hash and the fields used to
 * build it.//from w w w .ja  v a2s.c  om
 * FIXME: destination is under study
 * @param dbName
 * @param hash
 * @param isAggregated
 * @param fiwareService
 * @param fiwareServicePath
 * @param entityId
 * @param entityType
 * @param attrName
 * @param destination
 * @throws java.lang.Exception
 */
public void storeCollectionHash(String dbName, String hash, boolean isAggregated, String fiwareService,
        String fiwareServicePath, String entityId, String entityType, String attrName, String destination)
        throws Exception {
    // get the database and the collection; the collection is created if not existing
    MongoDatabase db = getDatabase(dbName);
    MongoCollection collection;

    try {
        LOGGER.debug("Creating Mongo collection=collection_names at database=" + dbName);
        db.createCollection("collection_names");
    } catch (Exception e) {
        if (e.getMessage().contains("collection already exists")) {
            LOGGER.debug("Collection already exists, nothing to create");
        } else {
            throw e;
        } // if else
    } finally {
        collection = db.getCollection("collection_names");
    } // try catch finally

    // Two updates operations are needed since MongoDB currently does not support the possibility to address the
    // same field in a $set operation as a $setOnInsert operation. More details:
    // http://stackoverflow.com/questions/23992723/ \
    //     findandmodify-fails-with-error-cannot-update-field1-and-field1-at-the-same

    // build the query
    BasicDBObject query = new BasicDBObject().append("_id", hash + (isAggregated ? ".aggr" : ""));

    // do the first update
    BasicDBObject update = buildUpdateForCollectionHash("$setOnInsert", isAggregated, fiwareService,
            fiwareServicePath, entityId, entityType, attrName, destination);
    LOGGER.debug("Updating data, database=" + dbName + ", collection=collection_names, query="
            + query.toString() + ", update=" + update.toString());
    UpdateResult res = collection.updateOne(query, update, new UpdateOptions().upsert(true));
    /*
            TECHDEBT:
            https://github.com/telefonicaid/fiware-cygnus/issues/428
            https://github.com/telefonicaid/fiware-cygnus/issues/429
                    
            if (res.getMatchedCount() == 0) {
    LOGGER.error("There was an error when storing the collecion hash, database=" + dbName
            + ", collection=collection_names, query=" + query.toString() + ", update=" + update.toString());
    return;
            } // if
                    
            // do the second update
            update = buildUpdateForCollectionHash("$set", isAggregated, fiwareService, fiwareServicePath, entityId,
        entityType, attrName, destination);
            LOGGER.debug("Updating data, database=" + dbName + ", collection=collection_names, query="
        + query.toString() + ", update=" + update.toString());
            res = collection.updateOne(query, update);
                    
            if (res.getMatchedCount() == 0) {
    LOGGER.error("There was an error when storing the collecion hash, database=" + dbName
            + ", collection=collection_names, query=" + query.toString() + ", update=" + update.toString());
            } // if
    */
}

From source file:com.telefonica.iot.cygnus.backends.mongo.MongoBackendImpl.java

License:Open Source License

/**
 * Creates a collection for STH, given its name, if not exists in the given database. Time-based limits are set,
 * if possible.// w ww  .ja v a  2  s  .  c  o m
 * @param dbName
 * @param collectionName
 * @param dataExpiration
 * @throws Exception
 */
@Override
public void createCollection(String dbName, String collectionName, long dataExpiration) throws Exception {
    LOGGER.debug("Creating Mongo collection=" + collectionName + " at database=" + dbName);
    MongoDatabase db = getDatabase(dbName);

    // create the collection
    try {
        db.createCollection(collectionName);
    } catch (Exception e) {
        if (e.getMessage().contains("collection already exists")) {
            LOGGER.debug("Collection already exists, nothing to create");
        } else {
            throw e;
        } // if else
    } // try catch

    // ensure the _id.origin index, if possible
    try {
        if (dataExpiration != 0) {
            BasicDBObject keys = new BasicDBObject().append("_id.origin", 1);
            IndexOptions options = new IndexOptions().expireAfter(dataExpiration, TimeUnit.SECONDS);
            db.getCollection(collectionName).createIndex(keys, options);
        } // if
    } catch (Exception e) {
        throw e;
    } // try catch
}

From source file:com.telefonica.iot.cygnus.backends.mongo.MongoBackendImpl.java

License:Open Source License

/**
 * Creates a collection for plain MongoDB, given its name, if not exists in the given database. Size-based limits
 * are set, if possible. Time-based limits are also set, if possible.
 * @param dbName//from   www .  j a  v a 2  s  . c o m
 * @param collectionName
 * @param collectionsSize
 * @param maxDocuments
 * @throws Exception
 */
@Override
public void createCollection(String dbName, String collectionName, long collectionsSize, long maxDocuments,
        long dataExpiration) throws Exception {
    MongoDatabase db = getDatabase(dbName);

    // create the collection, with size-based limits if possible
    try {
        if (collectionsSize != 0 && maxDocuments != 0) {
            CreateCollectionOptions options = new CreateCollectionOptions().capped(true)
                    .sizeInBytes(collectionsSize).maxDocuments(maxDocuments);
            LOGGER.debug("Creating Mongo collection=" + collectionName + " at database=" + dbName + " with "
                    + "collections_size=" + collectionsSize + " and max_documents=" + maxDocuments
                    + " options");
            db.createCollection(collectionName, options);
        } else {
            LOGGER.debug("Creating Mongo collection=" + collectionName + " at database=" + dbName);
            db.createCollection(collectionName);
        } // if else
    } catch (Exception e) {
        if (e.getMessage().contains("collection already exists")) {
            LOGGER.debug("Collection already exists, nothing to create");
        } else {
            throw e;
        } // if else
    } // try catch

    // ensure the recvTime index, if possible
    try {
        if (dataExpiration != 0) {
            BasicDBObject keys = new BasicDBObject().append("recvTime", 1);
            IndexOptions options = new IndexOptions().expireAfter(dataExpiration, TimeUnit.SECONDS);
            db.getCollection(collectionName).createIndex(keys, options);
        } // if
    } catch (Exception e) {
        throw e;
    } // try catch
}

From source file:com.telefonica.iot.cygnus.backends.mongo.MongoBackendImpl.java

License:Open Source License

/**
 * Inserts a new document in the given raw collection within the given database (row-like mode).
 * @param dbName/*from w ww .  j av  a  2 s  .c om*/
 * @param collectionName
 * @param aggregation
 * @throws Exception
 */
@Override
public void insertContextDataRaw(String dbName, String collectionName, ArrayList<Document> aggregation)
        throws Exception {
    MongoDatabase db = getDatabase(dbName);
    MongoCollection collection = db.getCollection(collectionName);
    collection.insertMany(aggregation);
}