BAEL-5374: push Into Array in MongoDB (#11916)

2022-03-11 00:20:08 +05:30
parent f2b3b8e5fe
commit fee01d60fb
2 changed files with 191 additions and 0 deletions
@@ -0,0 +1,99 @@
+package com.baeldung.mongo;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+import org.bson.Document;
+
+import com.mongodb.BasicDBObject;
+import com.mongodb.DBObject;
+import com.mongodb.MongoClient;
+import com.mongodb.client.MongoCollection;
+import com.mongodb.client.MongoDatabase;
+import com.mongodb.client.model.Filters;
+import com.mongodb.client.model.Updates;
+import com.mongodb.client.result.UpdateResult;
+
+public class PushOperations {
+
+    private static MongoClient mongoClient;
+    private static String testCollectionName;
+    private static String databaseName;
+
+    public static void setUp() {
+        if (mongoClient == null) {
+            mongoClient = new MongoClient("localhost", 27017);
+        }
+
+        databaseName = "baeldung";
+        testCollectionName = "orders";
+
+    }
+
+    public static void pushOperationUsingDBObject() {
+
+        MongoDatabase database = mongoClient.getDatabase(databaseName);
+        MongoCollection<Document> collection = database.getCollection(testCollectionName);
+        DBObject listItem = new BasicDBObject("items", new BasicDBObject("itemName", "PIZZA MANIA").append("quantity", 1)
+            .append("price", 800));
+        BasicDBObject searchFilter = new BasicDBObject("customerId", 1023);
+        BasicDBObject updateQuery = new BasicDBObject();
+        updateQuery.append("$push", listItem);
+        UpdateResult updateResult = collection.updateOne(searchFilter, updateQuery);
+
+        System.out.println("updateResult:- " + updateResult);
+    }
+
+    public static void pushOperationUsingDocument() {
+
+        MongoDatabase database = mongoClient.getDatabase(databaseName);
+        MongoCollection<Document> collection = database.getCollection(testCollectionName);
+
+        Document item = new Document().append("itemName", "PIZZA MANIA")
+            .append("quantity", 1)
+            .append("price", 800);
+        UpdateResult updateResult = collection.updateOne(Filters.eq("customerId", 1023), Updates.push("items", item));
+
+        System.out.println("updateResult:- " + updateResult);
+    }
+
+    public static void addToSetOperation() {
+
+        MongoDatabase database = mongoClient.getDatabase(databaseName);
+        MongoCollection<Document> collection = database.getCollection(testCollectionName);
+
+        Document item = new Document().append("itemName", "PIZZA MANIA")
+            .append("quantity", 1)
+            .append("price", 800);
+        UpdateResult updateResult = collection.updateOne(Filters.eq("customerId", 1023), Updates.addToSet("items", item));
+        System.out.println("updateResult:- " + updateResult);
+    }
+
+    public static void main(String args[]) {
+
+        //
+        // Connect to cluster (default is localhost:27017)
+        //
+        setUp();
+
+        //
+        // Push document into the array using DBObject
+        //
+
+        pushOperationUsingDBObject();
+
+        //
+        // Push document into the array using Document.
+        //
+
+        pushOperationUsingDocument();
+
+        //
+        // Push document into the array using addToSet operator.
+        //
+        addToSetOperation();
+
+    }
+
+}
+