/** | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package org.apache.storm.mongodb.common; | |
import java.util.List; | |
import org.bson.Document; | |
import org.bson.conversions.Bson; | |
import com.mongodb.MongoClient; | |
import com.mongodb.MongoClientURI; | |
import com.mongodb.client.MongoCollection; | |
import com.mongodb.client.MongoDatabase; | |
import com.mongodb.client.model.InsertManyOptions; | |
import com.mongodb.client.model.UpdateOptions; | |
public class MongoDBClient { | |
private MongoClient client; | |
private MongoCollection<Document> collection; | |
public MongoDBClient(String url, String collectionName) { | |
//Creates a MongoURI from the given string. | |
MongoClientURI uri = new MongoClientURI(url); | |
//Creates a MongoClient described by a URI. | |
this.client = new MongoClient(uri); | |
//Gets a Database. | |
MongoDatabase db = client.getDatabase(uri.getDatabase()); | |
//Gets a collection. | |
this.collection = db.getCollection(collectionName); | |
} | |
/** | |
* Inserts one or more documents. | |
* This method is equivalent to a call to the bulkWrite method. | |
* The documents will be inserted in the order provided, | |
* stopping on the first failed insertion. | |
* | |
* @param documents | |
*/ | |
public void insert(List<Document> documents, boolean ordered) { | |
InsertManyOptions options = new InsertManyOptions(); | |
if (!ordered) { | |
options.ordered(false); | |
} | |
collection.insertMany(documents, options); | |
} | |
/** | |
* Update all documents in the collection according to the specified query filter. | |
* When upsert set to true, the new document will be inserted if there are no matches to the query filter. | |
* | |
* @param filter | |
* @param update | |
* @param upsert | |
*/ | |
public void update(Bson filter, Bson update, boolean upsert) { | |
UpdateOptions options = new UpdateOptions(); | |
if (upsert) { | |
options.upsert(true); | |
} | |
collection.updateMany(filter, update, options); | |
} | |
/** | |
* Closes all resources associated with this instance. | |
*/ | |
public void close(){ | |
client.close(); | |
} | |
} |