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Apache Cayenne

Open-source persistence framework

Field	Value
name	Apache Cayenne
logo	[[File:Apache Cayenne logo.svg	Apache Cayenne logo]]
logo alt	Apache Cayenne logo
screenshot	CayenneModeler screenshot.png
screenshot size	442px
caption	Demonstration of the Cayenne Modeler
collapsible	yes
developer	Apache Software Foundation
latest release version
latest release date	;
operating system	Cross-platform
repo
programming language	Java
genre	Object-relational mapping
license	Apache License 2.0
website

Apache Cayenne is an open source persistence framework licensed under the Apache License, providing object-relational mapping (ORM) and remoting services. Cayenne binds one or more database schemas directly to Java objects, managing atomic commit and rollbacks, SQL generation, joins, sequences, and more. With Cayenne's Remote Object Persistence, those Java objects can even be persisted out to clients via Web Services. Or, with native XML serialization, objects can be further persisted to non-Java clients—such as an Ajax-capable browser.

Background

Cayenne supports database reverse engineering and generation, as well as a Velocity-based class generation engine. All of these functions can be controlled directly through the CayenneModeler, a fully functional GUI tool. No XML- or annotation-based configuration is required. An entire database schema can be mapped directly to Java objects quickly, all from the comfort of the GUI-based CayenneModeler. These things together make Cayenne interesting for a user who is new to the enterprise world.

Cayenne supports other features, including caching, a complete object query syntax, relationship pre-fetching, on-demand object and relationship faulting, object inheritance, database auto-detection, and generic persisted objects. Most importantly, Cayenne can scale up or down to virtually any project size.

History

Cayenne started as a project run by ObjectStyle and led by Andrus Adamchik. It was released under the Apache license from its first release in July 2002. In early 2006 the project moved from Objectstyle to the Apache Software Foundation and in December 2006 was promoted to be a top level project of Apache.

Notable milestones in Cayenne's history include the release of Apache Cayenne 3.0 in May 2010 and the release of Apache Cayenne 3.1 in the fall of 2014.

References

[http://objectstyle.org/cayenne/lists/cayenne-devel/2002/11/0000.html Apache-style voting through mailing lists]
[http://objectstyle.org/cayenne/lists/cayenne-user/2002/06/0000.html Cayenne Alpha Release]
[https://blogs.apache.org/foundation/category/projects The Apache Software Foundation Blog]
[http://www.silicon.co.uk/workspace/apache-releases-details-of-cayenne-java-framework-8256 Silicon.co.uk news]
[http://www.eweek.com/development/apache-delivers-details-of-cayenne-3.0 eWeek news]
[https://sdtimes.com/apache-cayenne/apache-cayenne-updated-with-highly-configurable-runtime/ Software Development Times]

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

apache-software-foundation-projects java-(programming-language)-libraries object–relational-mapping

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