Java EE 7 - what about caching?

JCache (JSR 107, Java Temporary Caching API) has been incomplete and dormant for a while. With JavaEE 7 picking up steam and addressing cloud scenarios such as PaaS, the co spec leads (EHCache's Greg Luck and Oracle's Cameron Purdy) have agreed to do get back to work and complete JCache to provide Java EE with a general purpose caching API. You can find an evolving draft version of the specification and get a good level of details about what's going on on this recent post by Greg.

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Fast-forward 240 JSRs and we now have JSR 347: Data Grids for the Java Platform, submitted by JBoss and with a goal to "build upon and extend JSR-107 (JCACHE) API" to adress use-cases such as distributed caching (2nd level caching for JPA for instance) or transient session state (ActiveCache for GlassFish would be a good example of that) and provide standard means of distributing and replicating data. More background on Manik's blog.

Voting by the JCP Executive Committee on JSR 347 is now going on with results due on May 9th. The proposed schedule for this JSR targets an Early Draft of the specification by December 2011 and a Final Release by September 2012 (in time for Java EE 7).

Comments:

Very much needed in Java and standardization of it will make it simple for implementors.

Posted by Ravindra Pitambare on May 10, 2011 at 01:38 AM PDT #

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