Lorenzo Dee

Lorenzo is a software engineer, trainer, manager, and entrepreneur, who loves developing software systems that make people and organizations productive, profitable, and happy. He is a co-founder of the now dormant Haybol.ph, a Philippine real estate search site. He loves drinking coffee, root beer, and milk shakes.

Core Java
Lorenzo DeeJanuary 3rd, 2017
2 104
Isolating the Domain Logic
In one design patterns class, I had an interesting discussion about modelling domain logic. Specifically, it was about isolating the…
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Enterprise Java
Lorenzo DeeOctober 31st, 2016
0 256
Architectural Layers and Modeling Domain Logic
As I was discussing the PoEAA patterns used to model domain logic (i.e. transaction script, table module, domain model), I…
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Enterprise Java
Lorenzo DeeJuly 24th, 2016
0 551
One-shot Delete with Hibernate (JPA)
In older versions of Hibernate, I can see the one-shot delete indicated in the manual. But newer versions no longer…
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Enterprise Java
Lorenzo DeeJuly 22nd, 2016
0 72
Reference by Identity in JPA
In a previous post, I mentioned that I opted to reference other aggregates by their primary key, and not by…
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Enterprise Java
Lorenzo DeeFebruary 15th, 2016
0 187
Spring-managed Transactions Explained – Part 2 (JPA)
In the first part of the series, I showed how transactions work in plain-vanilla JDBC. And then I showed how…
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Enterprise Java
Lorenzo DeeFebruary 11th, 2016
0 31
One Thing Good Spring Developers Know
In my recent training sessions on the (core) Spring Framework, I was asked, “If there was one thing that a…
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Enterprise Java
Lorenzo DeeFebruary 11th, 2016
0 108
JPA Pitfalls / Mistakes
From my experience, both in helping teams and conducting training, here are some pitfalls/mistakes I have encountered that caused some…
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Thank you!