JPA
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Enterprise Java
From JPA to Hibernate’s legacy and enhanced identifier generators
JPA identifier generators JPA defines the following identifier strategies: Strategy Description AUTO…
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Enterprise Java
Using @NamedEntityGraph to load JPA entities more selectively in N+1 scenarios
The N+1 problem is a common issue when working with ORM solutions. It happens when you set the fetchType for…
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Enterprise Java
Testing with Aliens: How to test a JPA type converter with Arquillian
This post was written together with +Aslak Knutsen (@aslakknutsen). JPA type converters provide an easy way to define how an…
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Enterprise Java
How to use a JPA Type Converter to encrypt your data
A few days ago, I read an interesting article by Bear Giles about Database encryption using JPA listeners from 2012.…
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Enterprise Java
JPA 2.1 Entity Graph – Part 2: Define lazy/eager loading at runtime
This is my second post on JPA 2.1 Entity Graphs. The first post described the usage of named entity graphs.…
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Enterprise Java
JPA 2.1 Entity Graph – Part 1: Named entity graphs
Lazy loading was often an issue with JPA 2.0. You have to define at the entity if you want to…
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Enterprise Java
JPA 2.1 Type Converter – The better way to persist enums
Persisting enums with JPA 2.0 is possible, but there is no nice way to do it. Using the @Enumerated annotation,…
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Enterprise Java
SpringMVC4 + Spring Data JPA + SpringSecurity configuration using JavaConfig
In this article we will see how to configure and integrate SpringMVC4, Spring Data JPA with Hibernate and SpringSecurity using…
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Enterprise Java
Exporting Spring Data JPA Repositories as REST Services using Spring Data REST
Spring Data modules provides various modules to work with various types of datasources like RDBMS, NOSQL stores etc in unified…
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