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JSON-B is coming

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Java EE

Java EE7 introduced JSON-P, which is supposed to standardize processing and parsing of JSON. This year, EE8 now brings ‘Java API for JSON Binding’ (JSON-B). Time for a closer look.

Generate database schema DDL script with JPA or Hibernate

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Java|Java EE

Using an object-relational mapping framework like Hibernate disburdens developers from creating complex DDL scripts to setup an application’s database schema. However, in real life such scripts are still needed – at least for the DBA who forbids applications to alter database objects. This post shows how to easily generate the database schema DDL script without typing an SQL commands.

Intermediate commit within transaction

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Java|Java EE

For long running transactions sometimes we wish to commit a kind of intermediate result to the database. This sounds pretty simple – however, if we do not want to commit the current transaction, you may run into deadlock situations. In my current project I implemented a nice solution using JPA and EJB.