com.mycompany.mongodemo.MongoDemoClass.java Source code

Introduction

Here is the source code for com.mycompany.mongodemo.MongoDemoClass.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.mycompany.mongodemo;

import com.mongodb.BasicDBList;
import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.MongoClient;
import java.util.Date;

/**
 *
 * @author vishal
 */
public class MongoDemoClass {

    public static void main(String[] args) {
        MongoClient mongo = new MongoClient("localhost", 27017);
        /*
        first create database and collection(table) in mongodb
        code
            use demodb // to create db
            db.createCollection("users") // create table users in db
         */
        DB db = mongo.getDB("demodb");

        DBCollection col = db.getCollection("users");

        // creating list of POST
        BasicDBList postList = new BasicDBList();
        postList.add("a1"); // add post reference in list
        postList.add("a2");
        postList.add("a3");
        // create nested element : posts
        BasicDBObject posts = new BasicDBObject("publicPost", postList).append("privatePost", postList)
                .append("exclusivePost", postList);

        // create insert document 
        BasicDBObject doc = new BasicDBObject("firstName", "vishal").append("lastName", "patel")
                .append("email", "vishal.6794@gmail.com").append("userName", "im_vishal")
                .append("password", "admin").append("userType", 1).append("lastAccessTime", new Date())
                .append("posts", posts).append("rating", 10).append("verified", true);

        // insert into collection using insert method
        col.insert(doc);

        /*
        display first document from collection
        in this case our collection is users
        */

        DBObject mydoc = col.findOne();
        System.out.println(mydoc);
    }
}