Monthly Archives: November 2010

JDO Typesafe .vs. JPA Criteria

Posted on November 9, 2010 by datanucleus

JPA2 introduced its “Criteria” queries, providing an API for typesafe query generation without the need to hardcode field names etc in queries; it built on the approach of Hibernate Criteria. DataNucleus includes a proposal for JDO “Typesafe” queries. It takes … Continue reading →

Posted in Criteria, JDO, JDOQL, JPA, LINQ, Typesafe | 9 Comments

JDO Typesafe Queries : Part 3 – Examples

Posted on November 2, 2010 by datanucleus

In two previous blog posts, we introduced the idea of having a typesafe refactor friendly API for queries for JDO, and then described typical expression types necessary to achieve that. In this blog post we take that a step further, … Continue reading →

Posted in JDO, JDOQL, JPA, LINQ, Typesafe | 15 Comments