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Posted Apr 13, 2005

Eclipse to Get a Hand in Enterprise Java Beans

By Michael Singer

Developers at the Eclipse Project will soon be able to tap into Enterprise Java Beans (EJB) 3.0, thanks to a project spearheaded by Oracle .

Oracle said it is helping build an open source version of EJB 3.0's Object-Relational Mapping (ORM) tool under the Eclipse Public License. The platform focuses on design-time tooling and supports installation in any J2EE-compatible application server.

The new tool follows Oracle's preview of its Application Server EJB 3.0 last month. The database software vendor also uses the spec in its JDeveloper Web services tool, as well as TopLink, its Java object-to-relational mapping tool and installation platform.

"Oracle's extensive experience in EJB and Object persistence will be critically important to the success of providing world-class EJB 3.0 tooling," Mike Milinkovich, executive director of the Eclipse Foundation, said in a statement.

Billed by many as the future of Java-based enterprise application development, EJB 3.0 is a Java API developed by Sun Microsystems and now serves as the cornerstone for J2EE 5.0.

Systems built on the programming tool let developers focus on the actual business architecture of the model instead of the repetitive coding that connects different aspects. Because EJB systems are written in Java, they are platform independent. Being object oriented, they can be installed into existing systems with little or no recompiling and configuring.

The specification was the subject of some recent controversy. The Oracle- and JBoss-championed EJB 3.0 group and the Java Data Objects (JDO) 2.0 community couldn't decide on the persistence mechanism for Plain Old Java Objects (POJO). The debate has been put to rest for now.

"JBoss sees EJB 3.0 as the future of Java persistence and is committed to its success as a standard," Gavin King, founder of the Hibernate project and architect at JBoss, said in a statement. "The Eclipse EJB 3.0 Tools project is an important step in promoting the adoption of EJB 3.0 to Java developers, particularly those in the growing Eclipse community."

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