MongoDB

Default

 <mongo:mongo write-concern="SAFE" />  
 <mongo:db-factory id="mongoDbFactory"  
        host="localhost"  
        port="27017"  
        dbname="database"  
        username="joe"  
        password="secret"/>  
 <bean id="mongoTemplate">  
      <constructor-arg name="mongoDbFactory" ref="mongoDbFactory"/>  
 </bean>  

 mongo = new Mongo();  
 mongoDbFactory = new SimpleMongoDbFactory(mongo, "dbname");  
 mongoTemplate = new MongoTemplate(mongoDbFactory());