Friday, April 22, 2005

Open-source object-relational projects brew in Eclipse

Open-source object-relational projects brew in Eclipse
A tale of dueling open-source projects for object-relational mapping may be brewing within Eclipse, with similar proposals floated by Versant Corp. and Oracle Corp.

Versant plans to announce on Tuesday that it has proposed to lead an effort for standards-based object-relational mapping based on Java Specification Request (JSR) 220. The specification defines a standard for object-relational mapping in Java. Specifically, the Versant effort is being called the JSR-220 object-relational mapping project within Eclipse.

Key to the endeavor is Fremont, Calif.-based Versant's plan to offer the Versant Open Access object-relational mapping tool as an open-source tool. With Open Access, Versant is contributing mapping tools and run times for both the Enterprise JavaBeans 3.0 and the Java Data Objects 2.0 standards. EJB and JDO are being merged over time.

However, Oracle announced last week a similar initiative within Eclipse, in which the company will help build an open-source EJB-based object-relational mapping tool under the Eclipse public license.

"All I can say is you'd have to ask Eclipse," about how two separate initiatives have sprung up, said Robert Greene, vice president of product strategy at Versant. "We did not know of Oracle's initiative, and I don't believe that Oracle knew of ours."

"At this point, they're both proposals, and we'll see how we can perhaps work together to consolidate where it makes sense," Greene said. Versant this week plans to discuss possibly consolidating its project with Oracle's. Oracle on Monday couldn't be reached for comment.

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