Example usage for com.mongodb BasicDBObjectBuilder start

Introduction

In this page you can find the example usage for com.mongodb BasicDBObjectBuilder start.

Prototype

public static BasicDBObjectBuilder start() 

Source Link

Document

Creates a builder intialized with an empty document.

Usage

From source file:com.linuxbox.enkive.docstore.mongogrid.MongoGridDocStoreService.java

License:Open Source License

@Override
protected String nextUnindexedByShardKey(int shardKeyLow, int shardKeyHigh) {
    final DBObject query = createUnindexedQuery(shardKeyLow, shardKeyHigh);
    final DBObject updateSet = BasicDBObjectBuilder.start().add(INDEX_STATUS_QUERY, STATUS_INDEXING)
            .add(INDEX_TIMESTAMP_QUERY, new Date()).get();
    final BasicDBObject update = new BasicDBObject("$set", updateSet);

    // some constants to make the call to findAndModify more readable;
    // compiler please optimize them away!
    final boolean doNotRemove = false;
    final boolean returnNewVersion = true;
    final boolean doNotUpsert = false;

    DBObject result = filesCollection.findAndModify(query, RETRIEVE_OBJECT_ID_AND_FILENAME,
            SORT_BY_INDEX_TIMESTAMP, doNotRemove, update, returnNewVersion, doNotUpsert);

    if (result != null) {
        return (String) result.get(FILENAME_KEY);
    } else {// w  ww  .ja v a2  s .  c  o m
        return null;
    }
}

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From source file:com.linuxbox.enkive.docstore.mongogrid.MongoGridDocStoreService.java

License:Open Source License

/**
 * Change the file name of GridFS file with a given id to newName.
 * /*www.  j  a  v  a 2  s . c  o m*/
 * @param id
 * @param newName
 * @return true if a file was modified, false otherwise
 */
boolean setFileNameAndShardKey(Object id, String newName, int shardKey) {
    DBObject query = new BasicDBObject(OBJECT_ID_KEY, id);
    DBObject updateItems = BasicDBObjectBuilder.start().add(Constants.FILENAME_KEY, newName)
            .add(Constants.INDEX_SHARD_QUERY, shardKey).get();
    DBObject update = new BasicDBObject("$set", updateItems);
    DBObject fields = new BasicDBObject(Constants.FILENAME_KEY, 1);
    final boolean returnOldVersion = false;
    final DBObject doNotSort = null;
    final boolean doNotRemove = false;
    final boolean doNotUpsert = false;
    DBObject result = filesCollection.findAndModify(query, fields, doNotSort, doNotRemove, update,
            returnOldVersion, doNotUpsert);
    return result != null;
}

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From source file:com.linuxbox.enkive.docstore.mongogrid.MongoGridDocStoreService.java

License:Open Source License

void markAsIndexedHelper(String identifier, int status) throws DocStoreException {
    final DBObject identifierQuery = new QueryBuilder().and(FILENAME_KEY).is(identifier).get();

    final DBObject updateSet = BasicDBObjectBuilder.start().add(INDEX_STATUS_QUERY, status)
            .add(INDEX_TIMESTAMP_QUERY, new Date()).get();
    final BasicDBObject update = new BasicDBObject("$set", updateSet);

    final boolean doNotRemove = false;
    final boolean returnNewVersion = true;
    final boolean doNotUpsert = false;
    final DBObject doNotSort = null;

    DBObject result = filesCollection.findAndModify(identifierQuery, RETRIEVE_OBJECT_ID, doNotSort, doNotRemove,
            update, returnNewVersion, doNotUpsert);
    if (result == null) {
        throw new DocStoreException(
                "could not mark document '" + identifier + "' with indexing status of " + status + ".");
    } else {// ww  w.  java 2s .c o m
        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace(
                    "Marked document " + result.get(OBJECT_ID_KEY) + " with index status of " + status + ".");
        }
    }
}

---

From source file:com.linuxbox.enkive.docstore.mongogrid.MongoGridDocStoreService.java

License:Open Source License

@Override
public List<IndexDescription> getPreferredIndexes() {
    List<IndexDescription> result = new LinkedList<IndexDescription>();

    /*// ww  w.j  a  v  a  2s.  c o m
     * NOTE: we DO NOT NEED a filename index, because by default GridFS will
     * create an index on filename and upload date. You can efficiently
     * query on compound indexes if the key searched for come before those
     * that are not, which is true in this case.
     * 
     * DBObject filenameIndex = BasicDBObjectBuilder.start()
     * .add(FILENAME_KEY, 1).get();
     * filesCollection.ensureIndex(filenameIndex);
     */

    // be sure to put status before timestamp, because it's more likely
    // we'll search on just status rather than on just timestamp
    DBObject searchIndexingIndex = BasicDBObjectBuilder.start().add(INDEX_STATUS_KEY, 1)
            .add(INDEX_TIMESTAMP_KEY, 1).get();
    IndexDescription id1 = new IndexDescription("indexingStatusIndex", searchIndexingIndex, false);
    result.add(id1);

    return result;
}

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From source file:com.linuxbox.enkive.tool.mongodb.MongoDbIndexManager.java

License:Open Source License

/**
 * Run the MongoDB ensure_index function on the service provided, creating
 * the index provided. Can be ensured in the foreground or background
 * depending on value of background./*from  w w w . j av a  2s  .co m*/
 */
void ensureIndex(MongoIndexable service, IndexDescription desiredIndex, boolean inBackground)
        throws MongoException {
    final DBObject options = BasicDBObjectBuilder.start().add("name", desiredIndex.getName())
            .add("unique", desiredIndex.isUnique()).add("background", inBackground).get();
    service.ensureIndex(desiredIndex.getDescription(), options);
}

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From source file:com.linuxbox.util.lockservice.mongodb.MongoLockService.java

License:Open Source License

@Override
public List<IndexDescription> getPreferredIndexes() {
    List<IndexDescription> result = new LinkedList<IndexDescription>();

    /*//w w  w  . ja  v a2 s  .c  o m
     * We want the identifier index to be unique, as that's how we
     * atomically detect when someone tries to create an already-existing
     * lock record
     */
    DBObject lockIndex = BasicDBObjectBuilder.start().add(LOCK_IDENTIFIER_KEY, 1).get();
    IndexDescription id1 = new IndexDescription("lockIndex", lockIndex, true);
    result.add(id1);

    return result;
}

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From source file:com.mobileman.kuravis.core.services.entity.impl.AbstractEntityServiceImpl.java

License:Apache License

@Override
public List<DBObject> findAll(String entityName, String projection, Pageable page) {
    if (page == null) {
        page = new PageRequest(0, Integer.MAX_VALUE);
    }//from w  ww . ja  v a 2  s  .  com

    DBCursor cursor = null;
    if (StringUtils.isEmpty(projection)) {
        cursor = getCollection(entityName).find(new BasicDBObject());
    } else {
        String[] properties = projection.split(",");
        BasicDBObjectBuilder projectionBuilder = BasicDBObjectBuilder.start();
        boolean idWanted = false;
        for (String property : properties) {
            property = property.trim();
            if (!StringUtils.isEmpty(property)) {
                if (property.equals(EntityUtils.ID)) {
                    idWanted = true;
                }

                projectionBuilder.add(property.trim(), true);
            }
        }

        if (idWanted == false) {
            projectionBuilder.append("_id", false);
        }

        cursor = getCollection(entityName).find(new BasicDBObject(), projectionBuilder.get())
                .sort(new BasicDBObject(projection, 1));
    }

    if (page.getSort() != null) {
        cursor = cursor.sort(createSort(page));
    } else if (projection != null) {
        cursor = cursor.sort(new BasicDBObject(projection, 1));
    }

    cursor = cursor.skip(page.getOffset()).limit(page.getPageSize());

    List<DBObject> result = cursor.toArray();
    return result;
}

---

From source file:com.mobileman.kuravis.core.services.entity.impl.AbstractEntityServiceImpl.java

License:Apache License

/**
 * @param page//from w  ww.  j a  v a  2 s  . c om
 * @return sort DBObject
 */
protected DBObject createSort(Pageable page) {
    if (page.getSort() == null) {
        return null;
    }

    BasicDBObjectBuilder builder = BasicDBObjectBuilder.start();
    Iterator<Order> orderIter = page.getSort().iterator();
    while (orderIter.hasNext()) {
        Order order = orderIter.next();
        builder.add(order.getProperty(), order.getDirection().equals(Direction.ASC) ? 1 : -1);
    }

    return builder.get();
}

---

From source file:com.mobileman.kuravis.core.services.user.impl.UserServiceImpl.java

License:Apache License

/** 
 * {@inheritDoc}//  w  w  w.j a va  2  s.com
 * @see com.mobileman.kuravis.core.services.user.UserService#findUsersByDiseaseAndTreatment(com.mongodb.DBObject, Pageable)
 */
@Override
public List<DBObject> findUsersByDiseaseAndTreatment(DBObject query, Pageable page) {

    BasicDBObjectBuilder builder = BasicDBObjectBuilder.start();

    if (query != null) {
        if (query.containsField("diseaseId")) {
            builder.add("disease." + EntityUtils.ID, query.get("diseaseId"));
        }

        if (query.containsField("treatmentId")) {
            builder.add("treatment." + EntityUtils.ID, query.get("treatmentId"));
        }
    }

    AggregationOutput out = getCollection(TreatmentReview.ENTITY_NAME).aggregate(
            new BasicDBObject("$match", builder.get()),
            new BasicDBObject("$group", new BasicDBObject("_id", new BasicDBObject("_id", "$author._id"))),
            new BasicDBObject("$project", new BasicDBObject(EntityUtils.ID, "$_id._id")),
            new BasicDBObject("$skip", page.getOffset()), new BasicDBObject("$limit", page.getPageSize())

    );

    List<DBObject> result = new ArrayList<>();
    Set<String> userIds = new HashSet<String>();
    for (DBObject dbObject : out.results()) {
        String userId = EntityUtils.getEntityId(dbObject);
        userIds.add(userId);
        result.add(dbObject);
    }

    Map<String, DBObject> usersData = findUsersData(userIds, "name", "gender", "settings.profile");
    for (DBObject user : result) {
        DBObject data = usersData.get(EntityUtils.getEntityId(user));
        if (data != null) {
            user.put("name", data.get("name"));
            user.put("gender", data.get("gender"));
            user.put("settings", data.get("settings"));
        }
    }

    return result;
}

---

From source file:com.mobileman.kuravis.core.util.ErrorUtils.java

License:Apache License

/**
 * @param message error message//from  ww w.j  a v a2 s.  c o  m
 * @param code 
 * @return json error result with given message
 */
public static DBObject error(String message, ErrorCodes code) {
    return BasicDBObjectBuilder.start().add(EntityUtils.ATTR_RESULT, ErrorUtils.ERROR)
            .add(ATTR_MESSAGE, message).add(ATTR_CODE, code.getValue()).add(ATTR_STATUS, code.getCode()).get();
}

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