Github user vesense commented on a diff in the pull request:
https://github.com/apache/storm/pull/1038#discussion_r50841871
--- Diff:
external/storm-mongodb/src/main/java/org/apache/storm/mongodb/common/MongoDBClient.java
---
@@ -0,0 +1,66 @@
+/**
+ * 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;
+
+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);
+ }
+
+ public void insert(Document document) {
+ collection.insertOne(document);
+ }
+
+ public void insert(List<Document> documents) {
+ //This method is equivalent to a call to the bulkWrite method.
+ collection.insertMany(documents);
+ }
+
+ public void update(Bson filter, Bson update) {
+ //Update all documents in the collection
--- End diff --
OK
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