EclipseLinkとその影響、OR競争に終止符か
EclipseCon 2008において興味深い発表がおこなわれた。Sun MicrosystemsはEclipse陣営には参加していないわけだが、同社はEclipseプロジェクトの一貫として、そして実質的にOracleによって開発が進められてきたJavaパーシステンス実装EclipseLinkを、JSR 317: Java Persistence 2.0の参照実装として採用するという。これでSun、Oracle、EclipseのJava三強がEclipseLinkをJPA 2.0として認めた形になった。 結果的に、Eclipse陣営主導で進められてきた技術がSunが推奨しているJCPにおける標準仕様および実装として採用されることになった。これはSunがEclipse陣営に参加しNetBeansから手を引くものではない。同社が統合開発環境として第一に推しているのは依然としてNetBeans
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
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 3.x releases targetting the JSR-338 Java Persistence 2.2 is the most current production ready release. I
hibernate.org - Hibernate
Others Other Hibernate related projects (e.g. Hibernate OGM, Hibernate Shards).
EclipseLink
Comprehensive open-source Java persistence solution addressing relational, XML, and database web services. Try it today JPA Provides standards based Object-Relational persistence solution with additional support for many advanced features. EclipseLink JPA provides advanced support for leading relational databases and Java containers. View details » MOXy Enables Java developers to efficiently bind
DataNucleus
Transparent persistence. Powerful querying. Use the API your prefer, to a very wide range of datastores. The most standards-compliant Java persistence product. Open Source software, under the Apache 2 license. Persisting Java objects is now easy. Choose your Datastore from a very wide range! Providing access to industry leading RDBMS, map stores such as Cassandra and HBase, the Neo4j graph store,
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Java XML and JSON Binding
Using JPA and JAXB Annotations in the Same Object | Object Partners
JPA Entities to XML - Bidirectional Relationships
Persisting Entity Classes using XML in JPA - DZone