Why I never blame open source projects

Every now and then I get to read someone’s bad thought towards a given open-source framework. When I started programming…

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Optimistic locking retry with MongoDB

In my previous post I talked about the benefit of employing optimistic locking for MongoDB batch processors. As I wrote…

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Hibernate Facts: Equals and HashCode

Every Java object inherits the equals and hashCode methods, yet they are useful only for Value objects, being of no…

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Hibernate Facts: Multi level fetching

It’s quite common to retrieve a root entity along with its children associations on multiple levels. In our example we…

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Hibernate Facts: Knowing flush operations order matters

Hibernate shifts the developer mindset from thinking SQL into thinking object state transitions. According to Hibernate Docs entity may be…

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MongoDB optimistic locking

When moving from JPA to MongoDb you start to realize how many JPA features you’ve previously taken for granted. JPA…

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Batch processing best practices

Most applications have at least one batch processing task, executing a particular logic in the background. Writing a batch job…

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Hibernate Facts: The importance of fetch strategy

When it comes to working with an ORM tool, everybody acknowledges the importance of database design and Entity-to-Table mapping. These…

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21st century logging

I think logging should get more attention than we are currently giving it. When designing an application a great deal…

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