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If we want to work with a relational database we need our entities which are stored in and loaded from the database. Entities are Java objects which will be mapped to a line in a relational database table. In this post I’ll introduce the needed entities for the variations project.Continue reading
As mentioned in the article series of the Variations project I’ll use Spring as the core business logic framework. For the persistence Layer I’ll introduce now Hibernate. Hibernate provides a mapping between Java objects and relational database tables and vice versa. Let’s look how to do it.Continue reading
As mentioned in the previous article I’m going to write some words about dependency injection — with Spring. As stated before there exist a lot of good books and articles about DI and I will only tell my opinion of the usage of DI. And I’ll focus on DI with Spring. Eventually I’ll take a […]Continue reading
As a little milestone in the “Variations” project I’ll introduce Spring as a configuration and dependency injection framework, inversion of control container and so on — after the big part Liquibase. I will not give a full stack introduction to Spring. I suggest you to read a book in this topic, there are many good introductory […]Continue reading
Last time I’ve shown how to run Liquibase changesets from Maven and I gave a forecast for an ASAP post about Liquibase and Java. Well, the as soon as possible is more than a month but finally I’m here to show you a simple way to integrate Liquibase in your java application.Continue reading
After a very big pause I’m back with the second part of the Liquibase introduction: how do we run the projects with maven. In this post I’ll take a look how to get maven to run our Liquibase change sets created in Part 1 of the Liquibase session on a (temporary) H2 database and as […]Continue reading