Apache Cayenne is a mature full-featured Java ORM. Cayenne keeps the segregation of the data access and view because the super-class of object that is being asked for the relationship handles the data interaction, similar to the custom getter case in Hibernate, without the need for extra methods/maintenance. - e.g. to develop with. Discover (and save!) Discussion: on hibernate vs. cayenne (too old to reply) Robert Zeigler 2008-02-27 14:47:02 UTC. Hibernate uses the POJO (Plain Old Java Object) approach while Cayenne uses OO (Object-Oriented classes). Stack Overflow for Teams is a private, secure spot for you and
Hibernate: MyBatis: ORM vs persistence framework: Hibernate is object-relation mapping framework (ORM) which maps Java classes to database tables. Hibernate suits some people and Cayenne others. This pattern doesn't fit well with Cayenne's context management. by Tim Apachen on March 28 2007 22:37 EDT; Re: Featured Article: Comparing Hibernate with Cayenne by Deepak Jacob on May 21 2007 10:28 EDT; What about advanced features [ Go to top] Posted by: Dominik Roblek; Posted on: June 11 2004 03:34 EDT; in response to Dion Almaer; Bill Dudney's class model used in comparison was pretty simple. Apache iBATIS; Developer(s) Apache Software Foundation: Written in: Java, .NET, Ruby: Operating system : Cross-platform: Type: Persistence framework: License: Apache License 2.0: Website: ibatis.apache.org: iBATIS is a persistence framework which automates the mapping between SQL databases and objects in Java, .NET, and Ruby on Rails. Hibernate VS JDO- - - which one? Ranch Hand Posts: 94. Yan Lee. Cayenne. Hibernate's can be a little abrasive. Cayenne has a lot of very good features, and on the plus side you have a number of open source tools to use in your project. I know that for more own use, Cayenne was far superior to Hibernate due mainly to these factors: a very helpful user community. Transactions • JPA/Hibernate were born in the EJB world. Difference between StringBuilder and StringBuffer, What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do, How to fix the Hibernate “object references an unsaved transient instance - save the transient instance before flushing” error, Jackson with JSON: Unrecognized field, not marked as ignorable. I used both, but if I was in charge (and not my boss :) ) I would prefer Cayenne. Yan Lee. The two main camps are to either keep the transaction open until all after the relationship in question is loaded, or write a custom getter for the lazy loaded relationship at the DAO level. without trying to make me feel stupid. (16 replies) Hi! Die Hibernate-Alternative Apache Cayenne bietet ORM- und Remoting-Services und verfügt über ein GUI-Mapping-Tool, den Cayenne Modeler. cool features and if you know Keeping the session open forces the the view layer to deal with data access, defeating the purpose of a segregated data access layer. The presentation will discuss Cayenne approach to object persistence, including overall philosophy and the differences with JPA/Hibernate. When a lazily loaded relationship is fetched and there is no database session, Cayenne opens a new session and preforms the query. example, the distributed caching is By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Are you using tapestry-cayenne-server, or tapestry-cayenne-client? list was very friendly and answered my The foundations of Cayenne… next project that requires an ORM Since I've done cayenne dev work, I already had the dependency. It requires little configuration and is easy to learn. In Hibernate, it is common to create DAOs (Data Access Objects) to insert/update/delete objects. Is this just an error or am I missing something? would definitely recommend that you user@cayenne.apache.org . When starting a new village, what are the sequence of buildings built? Eigentlich verwende ich Apache Cayenne als ORM, allerdings kann ich die Datenbankverbindung von Cayenne an dieser Stelle noch nicht gebrauchen. Extension API. Hi, I am looking to use either Hibernate or JDO in my J2EE application. Cayenne maps Java classes to database tables and automatically generates SQL to move data back-and-forth between Java objects and the database, which is a tedious task if done manually. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Being more lightweight than Entity Beans and less verbose than JDBC, Hibernate grew more and more popular, and it soon became the most popular Java persistence framework, winning over JDO, iBatis, Oracle TopLink, and Apache Cayenne. Also includes GUI Modeler for working with database mappings, DB … Cayenne seems to be a bit less mature than Hibernate in a few areas, for example, the distributed caching is new in version 1.1. simpleton questions quickly and Apache Cayenne™ is an open source Java object-to-relational mapping framework. Cayenne has a lot of very good features, and on the plus side you have a number of open source tools to use in your project. Only my site alone offers over 250 JPA and Hibernate tutorials that teach you how to get the most out of JPA and Hibernate. Hibernate VS JDO- - - which one? OpenJPA. your coworkers to find and share information. Which is very often not the case. ... Apache Cayenne is an ORM that generates domain objects (DO) from an XML model that can be managed by bundled a GUI application called a modeler. If Jupiter and Saturn were considered stars, which of their moons would qualify as planets by 'clearing the neighbourhood'? POJO vs OO. The Hibernate community is not in agreement on how to handle a Lazy Loading. The thing is, I have had to work with JPA/Hibernate for a few years now... and I feel it has some weaknesses I really do not like, I am thinking about "switching to cayenne" but first i would like to be sure that Cayenne does not have this weaknesses too. My child's violin practice is making us tired, what can we do? I just listed Apache because it has good industry support and a brand name so it might be easier to get accepted in a commercial project. If an object that has a lazily loaded relationship calls that relationship, Hibernate requires the DB session to be open. Seems like there might be some compelling ease-of-use arguments for Cayenne vs. Hibernate but they choose not to compare them. By admin on Feb 9, 2009 in Java, open source. This pattern doesn't fit well with Cayenne's context management. Cayenne lazily loads all relationships by default. Here are some alternatives to Hibernate. I have to agree with the author that those that had the fortune of using EOF will sometimes look at the JDO vs Hibernate vs Cayenne vs iBatis vs JDBC vs Toplink vs Entity Beans (2.1) vs EJB Pojo persistence discussions with somewhat of an amused smile. Verification. Has something called SQLTemplate - a very very efficient solution if Jupiter and Saturn were considered stars, is. The session open forces the the view layer to deal with data access layer pretends! An which features to look when evaluating: http: //programming.itags.org/development-tools/120839/ Leaky ''..., which of their moons would qualify as planets by 'clearing the '! 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