Tag Archives: Spring Data

Spring Data Mongo DB

Spring MVC Project with maven, mongodb, spring-data

This will contain only snippets of code. There are small dependencies that are not listed in these blocks of code.

I am running mongoDB in a remote Centos 6.2 Server.

Main Database is a PostgreSQL. Upper layers in MVC Service classes will try to fetch data from mongoDB. If is not available, will use SQL DB and update mongoDB. My application uses mongo for caching purposes and writes denormalized relationships in mongoDB.

pom.xml

 

web.xml

 

applicationContext.xml

 

A very simple entity:

A ultra simple Dao Repository:

 

Service class for Repository (contains JPA code for data transfer from JPA Repository to Mongo Repository, can be ignored):

Unit test for this implementation: