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.sitewhere.user.persistence.mongodb.MongoUserManagement.java

License:Open Source License

@Override
public List<IUser> listUsers(IUserSearchCriteria criteria) throws SiteWhereException {
    try {// w  w  w . j  ava  2  s  .  c  o m
        MongoCollection<Document> users = getMongoClient().getUsersCollection();
        Document dbCriteria = new Document();
        if (!criteria.isIncludeDeleted()) {
            MongoSiteWhereEntity.setDeleted(dbCriteria, false);
        }
        FindIterable<Document> found = users.find(dbCriteria)
                .sort(new BasicDBObject(MongoUser.PROP_USERNAME, 1));
        MongoCursor<Document> cursor = found.iterator();

        List<IUser> matches = new ArrayList<IUser>();
        try {
            while (cursor.hasNext()) {
                Document match = cursor.next();
                matches.add(MongoUser.fromDocument(match));
            }
        } finally {
            cursor.close();
        }
        return matches;
    } catch (MongoTimeoutException e) {
        throw new SiteWhereException("Connection to MongoDB lost.", e);
    }
}

From source file:com.sitewhere.user.persistence.mongodb.MongoUserManagement.java

License:Open Source License

/**
 * Get the {@link Document} for a User given unique username.
 * //from   w w w  .  ja  v a2 s  .  c o m
 * @param username
 * @return
 * @throws SiteWhereException
 */
protected Document getUserDocumentByUsername(String username) throws SiteWhereException {
    try {
        MongoCollection<Document> users = getMongoClient().getUsersCollection();
        Document query = new Document(MongoUser.PROP_USERNAME, username);
        return users.find(query).first();
    } catch (MongoTimeoutException e) {
        throw new SiteWhereException("Connection to MongoDB lost.", e);
    }
}

From source file:com.sitewhere.user.persistence.mongodb.MongoUserManagement.java

License:Open Source License

/**
 * Get the {@link Document} for a GrantedAuthority given unique name.
 * /*w w  w . j a  va 2s .  c om*/
 * @param name
 * @return
 * @throws SiteWhereException
 */
protected Document getGrantedAuthorityDocumentByName(String name) throws SiteWhereException {
    try {
        MongoCollection<Document> auths = getMongoClient().getAuthoritiesCollection();
        Document query = new Document(MongoGrantedAuthority.PROP_AUTHORITY, name);
        return auths.find(query).first();
    } catch (MongoTimeoutException e) {
        throw new SiteWhereException("Connection to MongoDB lost.", e);
    }
}

From source file:com.spleefleague.bungee.io.EntityBuilder.java

public static <T extends DBEntity & DBSaveable> void save(T object, MongoCollection<Document> dbcoll,
        boolean override) {
    DBEntity dbe = (DBEntity) object;//  w w  w.j a  va  2s.c o  m
    ObjectId _id = dbe.getObjectId();
    Document index = null;
    if (override && _id != null) {
        index = new Document("_id", _id);
    }
    Document dbo = serialize(object);
    validate(dbo);
    if (index != null) {
        dbcoll.updateOne(index, dbo);
    } else {
        dbo = (Document) dbo.get("$set");
        dbcoll.insertOne(dbo);
        _id = (ObjectId) dbcoll.find(dbo).first().get("_id");
        try {
            Field _idField = DBEntity.class.getDeclaredField("_id");
            _idField.setAccessible(true);
            _idField.set(dbe, _id);
        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException
                | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.spleefleague.core.io.EntityBuilder.java

public static <T extends DBEntity & DBSaveable> void save(T object, MongoCollection<Document> dbcoll,
        boolean override) {
    if (object == null) {
        return;/*ww  w.j  ava 2 s.  c  o m*/
    }
    DBEntity dbe = (DBEntity) object;
    ObjectId _id = dbe.getObjectId();
    Document index = null;
    if (override && _id != null) {
        index = new Document("_id", _id);
    }
    Document dbo = serialize(object);
    validate(dbo);
    if (index != null) {
        dbcoll.updateOne(index, dbo);
    } else {
        dbo = (Document) dbo.get("$set");
        dbcoll.insertOne(dbo);
        _id = (ObjectId) dbcoll.find(dbo).first().get("_id");
        try {
            Field _idField = DBEntity.class.getDeclaredField("_id");
            _idField.setAccessible(true);
            _idField.set(dbe, _id);
        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException
                | IllegalAccessException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.spleefleague.core.utils.DatabaseConnection.java

public static void find(final MongoCollection<Document> dbcoll, final Document query,
        Consumer<FindIterable<Document>> callback) {
    Bukkit.getScheduler().runTaskAsynchronously(SpleefLeague.getInstance(), () -> {
        callback.accept(dbcoll.find(query));
    });//from   w  w  w. jav  a 2s  .  c om
}

From source file:com.threecrickets.prudence.cache.HazelcastMongoDbMapStore.java

License:LGPL

public V load(K key) {
    MongoCollection<Document> collection = getCollection();
    Document query = new Document();

    query.put("_id", key);

    Document value = collection.find(query).first();
    if (value != null) {
        @SuppressWarnings("unchecked")
        V fromBinary = (V) fromBinary((byte[]) value.get("value"));
        return fromBinary;
    }/*from  w w w.  j  a v a 2  s. c  om*/
    return null;
}

From source file:com.threecrickets.prudence.cache.HazelcastMongoDbMapStore.java

License:LGPL

public Map<K, V> loadAll(Collection<K> keys) {
    MongoCollection<Document> collection = getCollection();
    Document query = new Document();
    Document in = new Document();

    query.put("_id", in);
    in.put("$in", keys);

    HashMap<K, V> map = new HashMap<K, V>();
    for (Document value : collection.find(query)) {
        @SuppressWarnings("unchecked")
        K key = (K) value.get("_id");
        @SuppressWarnings("unchecked")
        V fromBinary = (V) fromBinary((byte[]) value.get("value"));
        map.put(key, fromBinary);//from w  ww . j  ava 2s . co m
    }

    return map;
}

From source file:com.um.mongodb.converter.EhealthRecordConverter.java

/**
 * //from   www . j  a  va 2  s  .  c  om
 * @param ags
 * @return 
 */
public static int main(String[] ags) {

    MongoClient client = new MongoClient("localhost", 27017);

    if (client != null) {
        System.out.println("success");
    } else {
        System.out.println("failed");
    }

    MongoDatabase database = client.getDatabase("db");

    if (database == null) {
        System.out.println("db is null");
    } else {
        System.out.println("db is not null");
    }

    MongoCollection<Document> collection = database.getCollection("ehealth");
    //      System.out.println(collection.count());

    MongoCursor<Document> cursor = collection
            .find(new BasicDBObject("ehealthrecord.registrationno", "600025873102")).iterator();

    while (cursor.hasNext()) {
        System.out.println(cursor.next());
    }

    return 0;
}

From source file:com.yahoo.ycsb.db3.MongoDbClient.java

License:Open Source License

/**
 * Read a record from the database. Each field/value pair from the result will
 * be stored in a HashMap./*  w  ww  . j  a v  a2s. co  m*/
 * 
 * @param table
 *          The name of the table
 * @param key
 *          The record key of the record to read.
 * @param fields
 *          The list of fields to read, or null for all of them
 * @param result
 *          A HashMap of field/value pairs for the result
 * @return Zero on success, a non-zero error code on error or "not found".
 */
@Override
public Status read(String table, String key, Set<String> fields, HashMap<String, ByteIterator> result) {
    try {
        MongoCollection<Document> collection = database.getCollection(table);
        Document query = new Document("_id", key);

        FindIterable<Document> findIterable = collection.find(query);

        if (fields != null) {
            Document projection = new Document();
            for (String field : fields) {
                projection.put(field, INCLUDE);
            }
            findIterable.projection(projection);
        }

        Document queryResult = findIterable.first();

        if (queryResult != null) {
            fillMap(result, queryResult);
        }
        return queryResult != null ? Status.OK : Status.NOT_FOUND;
    } catch (Exception e) {
        System.err.println(e.toString());
        return Status.ERROR;
    }
}