JPA: Thread-safety when injecting EntityManager
When professionalism comes in to play, so don’t miss it. As I wrote in post Why we need type-level injections in JavaEE, injecting EJB 3 stateful beans into servlet instance fields is not thread-safe. Along the same line, injecting EntityManager with @PersistenceContext into servlet instance variables is not thread-safe, either. EntityManager is just not designed to be thread-safe. For example, th
EclipseLink - Eclipsepedia
The EclipseLink project provides a runtime persistence solution focused on leading standards and extended functionality needed for today's enterprise Java and SOA application development. EclipseLink offers support for: Object-Relational (JPA) NoSQL (NoSQL databases, and EIS) MOXy: Object-XML (JAXB) & Object-JSON DBWS: Database Web Services Service Data Objects (SDO) EclipseLink is a sub-project o
TheServerSide | Your Java Community discussing server side development
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Apache OpenJPA -- Index
Welcome to the Apache OpenJPA project¶ Apache OpenJPA is a Java persistence project at The Apache Software Foundation that can be used as a stand-alone POJO persistence layer or integrated into any Java EE compliant container and many other lightweight frameworks, such as Tomcat and Spring. The 4.1.x releases is an implementation of the Jakarta Persistence API 3.1 specification is the most current
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Java Persistence/What is new in JPA 2.1? - Wikibooks, open books for an open world
Querydsl - Unified Queries for Java
