Tag Archives: jpa

Try out JSON-B 1.0, JPA 2.2 using Java EE 8 on Glassfish 5 & Docker

Glassfish 5 Build 11 is now available – with support for many of the Java EE 8 specifications e.g. JAX-RS 2.1, JPA 2.2, JSON-B 1.0 etc. For more details check out the Aquarium space. This blog covers test driving couple of new additions in this build – … Continue reading

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Integrating Oracle Application Container & Database Cloud using ‘Service Bindings’

Don’t forget to check out my new blog post on the Oracle Cloud Developer solutions community portal ! It demonstrates usage of Oracle Application Container Cloud and Database Cloud service. To be precise, it covers the following An introduction to Service … Continue reading

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Notes on JPA L2 Caching

Here are some notes on L2 (level 2/shared) cache in JPA Quick facts JPA L2 cache was standardized in JPA 2.0 (Java EE 6) Based on EntityManagerFactory i.e. its a global cache common across all Persistence Units A layer which site between the … Continue reading

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JPA Entity Manager API notes

Bare basic stuff… Categorizes JPA Entity Manager operations Good for quick glance Persistence Context Operations CRUD operations <T> T find(java.lang.Class<T> entityClass, java.lang.Object primaryKey) <T> T find(java.lang.Class<T> entityClass, java.lang.Object primaryKey, LockModeType lockMode) <T> T find(java.lang.Class<T> entityClass, java.lang.Object primaryKey, LockModeType lockMode, java.util.Map<java.lang.String,java.lang.Object> … Continue reading

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Book Review: EJB 3 in Action, Second Edition

This is a review of the book EJB 3 in Action, Second Edition What is this book about? This book is essentially about EJB 3 with a prime focus on the latest version i.e. EJB 3.2. The book is aligned with the latest version … Continue reading

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