Example usage for com.mongodb.client MongoCollection find

Introduction

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

Prototype

FindIterable<TDocument> find(ClientSession clientSession);

Source Link

Document

Finds all documents in the collection.

Usage

From source file:com.cognitive.cds.invocation.mongo.WorkProductDao.java

License:Apache License

public WorkProductWrapper getWorkProduct(String id) {
    WorkProductWrapper wpw = null;/* w  w  w . j  av a  2s .  c o m*/

    mongoDbDao.setDatabase("work");
    MongoCollection<Document> collection = mongoDbDao.getCollection("work");

    Document filter = new Document();
    filter.put("_id", new ObjectId(id));

    Document obj = collection.find(filter).first();

    if (obj != null) {
        try {
            String json = obj.toJson();
            wpw = (WorkProductWrapper) JsonUtils.getMapper().readValue(json, WorkProductWrapper.class);
        } catch (IOException e) {
            logger.error("========> Deserialize: " + e.toString());
        }
    }
    return wpw;
}

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From source file:com.cognitive.cds.invocation.mongo.WorkProductDao.java

License:Apache License

public UpdateResult updateWorkProduct(WorkProduct wp) throws JsonProcessingException {
    mongoDbDao.setDatabase("work");
    MongoClient mongo = mongoDbDao.getMongoClient();
    MongoDatabase db = mongo.getDatabase("work");
    MongoCollection<Document> collection = db.getCollection("work");

    Document filter = new Document();
    if (wp.getId() == null)
        return null;
    else/*from   ww  w  .j a v a 2  s  .c  o m*/
        filter.put("_id", new ObjectId(wp.getId()));

    Document obj = collection.find(filter).first();
    UpdateResult result = null;

    if (obj != null) {
        try {
            String objectJson = JsonUtils.getMapper().writeValueAsString(wp);
            Document doc = Document.parse(objectJson);
            result = collection.updateOne(filter, new Document("$set", new Document("workproduct", doc)));

        } catch (IOException e) {
            logger.error("========> Deserialize: " + e.toString());
        }
    }
    return result;
}

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From source file:com.cognitive.cds.invocation.mongo.WorkProductDao.java

License:Apache License

public UpdateResult updateWorkProductAssignment(WorkProductAssignment wpa) throws JsonProcessingException {
    mongoDbDao.setDatabase("work");
    MongoClient mongo = mongoDbDao.getMongoClient();
    MongoDatabase db = mongo.getDatabase("work");
    MongoCollection<Document> collection = db.getCollection("work");
    WorkProductWrapper wpw;//  w w  w.j  a  v  a  2  s.  com
    Document filter = new Document();
    if (wpa.getUser() == null)
        return null;
    else
        filter.put("_id", new ObjectId(wpa.getWorkProductId()));

    Document obj = collection.find(filter).first();
    UpdateResult result = null;
    if (obj != null) {
        try {
            String json = obj.toJson();
            wpw = (WorkProductWrapper) JsonUtils.getMapper().readValue(json, WorkProductWrapper.class);
            Iterator<WorkProductAssignment> iterator = wpw.getAssignments().iterator();
            // remove if there is an existing work product assignment with the same user id and work product id.
            while (iterator.hasNext()) {
                WorkProductAssignment workProductAssignment = (WorkProductAssignment) iterator.next();
                if (workProductAssignment.getUser().getId().equalsIgnoreCase(wpa.getUser().getId())
                        && workProductAssignment.getWorkProductId().equalsIgnoreCase(wpa.getWorkProductId())) {
                    iterator.remove();
                }
            }
            // add the new work product assignment
            wpw.getAssignments().add(wpa);
            String objectJson = JsonUtils.getMapper().writeValueAsString(wpw);
            Document doc = Document.parse(objectJson);
            doc.put("_id", new ObjectId(wpa.getWorkProductId()));
            result = mongoDbDao.getCollection("work").replaceOne(filter, doc);
        } catch (IOException e) {
            logger.error("========> Deserialize: " + e.toString());
        }
    }
    return result;
}

---

From source file:com.cognitive.cds.invocation.mongo.WorkProductDao.java

License:Apache License

public UpdateResult deleteWorkProductAssignment(String workProductId, String userId) {

    WorkProductWrapper wpw;/*from  w w w .j a v  a2s  .  c o  m*/
    mongoDbDao.setDatabase("work");
    MongoCollection<Document> collection = mongoDbDao.getCollection("work");

    Document filter = new Document();
    filter.put("_id", new ObjectId(workProductId));

    Document obj = collection.find(filter).first();
    UpdateResult result = null;
    if (obj != null) {
        try {
            String json = obj.toJson();
            wpw = (WorkProductWrapper) JsonUtils.getMapper().readValue(json, WorkProductWrapper.class);
            Iterator<WorkProductAssignment> iterator = wpw.getAssignments().iterator();
            while (iterator.hasNext()) {
                WorkProductAssignment workProductAssignment = (WorkProductAssignment) iterator.next();
                // find the assignment and remove it from the workproduct assignments list
                if (workProductAssignment.getUser().getId().equalsIgnoreCase(userId)
                        && workProductAssignment.getWorkProductId().equalsIgnoreCase(workProductId)) {
                    iterator.remove();
                }
            }
            String objectJson = JsonUtils.getMapper().writeValueAsString(wpw);
            Document doc = Document.parse(objectJson);
            doc.put("_id", new ObjectId(workProductId));
            // Update the work product.
            result = mongoDbDao.getCollection("work").replaceOne(filter, doc);
        } catch (IOException e) {
            logger.error("========> Deserialize: " + e.toString());
        }
    }
    return result;
}

---

From source file:com.cognitive.cds.invocation.mongo.WorkProductSubscriptionDao.java

License:Apache License

/**
 * Call the server to fetch the engine/*from  w w w  .  j  a  va 2s. c  om*/
 * 
 * @param user
 * @return
 */
public WorkProductSubscription getWorkProductSubscription(String user) {
    WorkProductSubscription wps = null;

    mongoDbDao.setDatabase("work");
    MongoCollection<Document> collection = mongoDbDao.getCollection("subscriptions");
    logger.info("Subscription Count: " + collection.count()); // max of one
                                                              // per user...
    Document filter = new Document();
    filter.put("user", user);
    Document obj = collection.find(filter).first();
    if (obj != null) {
        try {
            String json = obj.toJson();
            wps = (WorkProductSubscription) JsonUtils.getMapper().readValue(json,
                    WorkProductSubscription.class);
        } catch (IOException e) {
            logger.error("========> Deserialize: " + e.toString());
        }
    } // else {
      // return defaulted response, or simply return null, which means
      // "all".
      // }
    return wps;
}

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From source file:com.DA.assignment1.Query.Demonstrate.java

public static void selectMovie(MongoCollection<Document> rating) throws IOException {
    System.out.println("Please enter userID: you can check the rating records ");
    BufferedReader br1 = new BufferedReader(new InputStreamReader(System.in));
    String userID = br1.readLine();

    FindIterable<Document> movies = rating.find(new Document("userID", userID));

    movies.forEach(new Block<Document>() {
        @Override/*from ww  w.  ja va2s. com*/
        public void apply(final Document document) {
            System.out.println(document);
        }
    });

}

---

From source file:com.DA.assignment1.Query.Demonstrate.java

public static void Tag(MongoCollection<Document> tag) throws IOException {
    System.out.println("Please enter movieID:");

    BufferedReader br1 = new BufferedReader(new InputStreamReader(System.in));
    String movieID = br1.readLine();

    FindIterable<Document> tags = tag.find(new Document("movieID", movieID));
    tags.forEach(new Block<Document>() {
        @Override//from w  ww  .ja  v a 2 s .c  o m
        public void apply(final Document document) {
            System.out.println(document);
        }
    });
}

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From source file:com.eclipsesource.connect.persistence.MongoStorage.java

License:Open Source License

@Override
public <T> List<T> findAll(Query<T> query) {
    checkArgument(query != null, "Query must not be null");
    MongoDatabase db = factory.getDB();/*w ww. j  a  va  2  s . c om*/
    MongoCollection<Document> collection = db.getCollection(query.getPlace());
    List<T> result = new ArrayList<>();
    for (Document document : prepareIterable(query, collection.find(createDocument(query)))) {
        result.add(deserializer.deserialize(document.toJson(), query.getType()));
    }
    return result;
}

---

From source file:com.eclipsesource.connect.test.util.persistence.InMemoryStorage.java

License:Open Source License

@Override
public <T> List<T> findAll(Query<T> query) {
    checkArgument(query != null, "Query must not be null");
    MongoCollection<Document> collection = db.getCollection(query.getPlace());
    List<T> result = new ArrayList<>();
    for (Document document : prepareIterable(query, collection.find(createDocument(query)))) {
        result.add(serialization.deserialize(document.toJson(), query.getType()));
    }/*from   w  ww.j a va 2  s. c o m*/
    return result;
}

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From source file:com.epam.dlab.auth.dao.UserInfoDAOMongoImpl.java

License:Apache License

@Override
public UserInfo getUserInfoByAccessToken(String accessToken) {
    BasicDBObject uiSearchDoc = new BasicDBObject();
    uiSearchDoc.put("_id", accessToken);
    MongoCollection<BasicDBObject> mc = ms.getCollection("security", BasicDBObject.class);
    FindIterable<BasicDBObject> res = mc.find(uiSearchDoc);
    BasicDBObject uiDoc = res.first();// ww  w  .j  a v  a2s. c o  m
    if (uiDoc == null) {
        log.warn("UI not found {}", accessToken);
        return null;
    }
    Date lastAccess = uiDoc.getDate("expireAt");
    if (inactiveUserTimeoutMsec < Math.abs(new Date().getTime() - lastAccess.getTime())) {
        log.warn("UI for {} expired but were not evicted from DB. Contact MongoDB admin to create expireable "
                + "index" + " on 'expireAt' key.", accessToken);
        this.deleteUserInfo(accessToken);
        return null;
    }
    String name = uiDoc.get("name").toString();
    String firstName = uiDoc.getString("firstName", "");
    String lastName = uiDoc.getString("lastName", "");
    String remoteIp = uiDoc.getString("remoteIp", "");
    BasicDBList roles = (BasicDBList) uiDoc.get("roles");
    Boolean awsUser = uiDoc.getBoolean("awsUser", false);
    UserInfo ui = new UserInfo(name, accessToken);
    ui.setFirstName(firstName);
    ui.setLastName(lastName);
    ui.setRemoteIp(remoteIp);
    ui.setAwsUser(awsUser);
    Object awsKeys = uiDoc.get("awsKeys");
    if (awsKeys != null) {
        ((BasicDBObject) awsKeys).forEach((key, val) -> ui.addKey(key, val.toString()));
    }
    roles.forEach(o -> ui.addRole("" + o));
    log.debug("Found persistent {}", ui);
    return ui;
}

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