SCA Java 0.99-incubating
SDO + DASを使ったアプリケーション作成に追われている間に、 SCA Java 0.99-incubatingがリリースされていました。Online Store SCA Composite 
というチュートリアルもありますね。早速試してみないと。
This release of Apache Tuscany SCA builds on the stability and modularity established with the previous releases and includes more complete implementation of SCA specifications, support for distributed SCA domains, SCA policy, OSGi implementation types, and pub/sub support with notification components. Start up time and memory footprint of the runtime has been reduced and there have been numerous bug fixes. This is expected to be the last point release before the 1.0 final release.
