mongodb-demo

MongoDB demo

Simple MongoDB / Java demo

Quick install MongoDB on localhost

Download MongoDB binary from here. Java documentation is here.

• unpack mongo tar package
  tar xzvf mongodb-linux-x86_64-ubuntu2004-4.4.1.tgz
• make database directory
  mkdir -p mongodb-linux-x86_64-ubuntu2004-4.4.1/data/db
• run mongodb server

  cd mongodb-linux-x86_64-ubuntu2004-4.4.1/bin
  ./mongod --dbpath ../data/db
  

• create database and user

  cd mongodb-linux-x86_64-ubuntu2004-4.4.1/bin
  ./mongo
  use testdb
  db.createUser({user: "testuser", pwd: "secret", roles: [ "readWrite", "dbAdmin" ]}) 
  

• setup is complete. next time start mongodb with command
  ./mongod --dbpath ../data/db

Build and run

Just run Main in the project or see unit tests. Database server has to be started first.

gradle clean build distZip

Start integration tests

1. Start mongo DB in new terminal window.

./mongod --dbpath ../data/db

2. Start integration tests.

gradle clean test -Dtest.profile=integration

Useful mongodb queries

cd mongodb-linux-x86_64-ubuntu2004-4.4.1/bin
./mongo
use testdb
db.roles.find()
db.roles.insert({"_id": "1", "description": "aaa" })
db.roles.remove({ "_id": "1" }, { justOne: true})
db.roles.drop()

References

• mongojack