old content

Latest Release

RDB DAS Java beta1 incubating

RDB DAS Java beta1 was release in June 2007.
This release represents a significant milestone on the road to Apache Tuscany DAS 1.0 release.
For full detail about the release see the RELEASE_NOTES and CHANGES files.

• DAS Core features
  • Optimisc concurrency control
  • Default OCC policy (all OCC-capable fileds used in overquaified "where") (TUSCANY-866)
  • DAS Configuration supports ConnectionInfo for J2SE environment (TUSCANY-948)
  • DAS supports queries that reference tables in multiple schema (TUSCANY-952)

• DAS Samples
  • Creation and initialization of database for DAS samples (TUSCANY-863)
  • Sample with Advanced DAS features Demo (TUSCANY-800)
  • Sample with J2SE application using DAS (samples/customer)

• Documentation
  • More sections added to DAS User's Guide
  • Javadoc available
  • Added FAQs
  • Added "Starting with DAS" Guide to help user get started with using different DAS features
  • Added DAS Architecture Guide

Previous Releases

Here is a complete list of all Apache Tuscany RDB DAS features for old releases.

Java M2 Release - DAS Key Features

• DAS Core features
  • MySQL support
  • Static Data Objects
  • Dynamic root for static graphs
  • "Unique" attribute on relationships
  • Explicit ResultSet shape definition
  • Improved logging
  • Programmatic Configuration
  • Helper for empty SDO Graph
    • Column named "ID" is the PK
    • Column named "xxx_ID" is the FK to table "xxx"
  • Convention over configuration

• DAS Samples
  • Tomcat integration and automated DAS samples testing (htmlUnit)
  • DAS Samples now have all dependencies and source code inside the sample war
  • M2 JIRAS

Java M1 Release - DAS Key Features

• RDB CRUD operations in terms of SDO DataObjects
• Optimistic concurrency control
• Generated database IDs
• Stored procedures
• Paging API
• 1..1 and 1..n relationships
• Partial row updates

Java M3 Release - DAS Key Features (Old Proposed Planning - NEED REVIEW)

• DAS Core features
  • Optimisc concurrency control
    • Support for OCC recovery (TUSCANY-916) - Default OCC policy (all OCC-capable fileds used in overquaified "where")
  • More performant pager (TUSCANY-542) - Review MySQL Support (TUSCANY-937)
  • SCA Intgration
    • Expose DAS as a Pojo SCA Service (impl.java) (TUSCANY-898) - Container-based DAS (impl.das) (TUSCANY-904)

• DAS Samples
  • Sample consuming DAS as a Pojo SCA service - Sample consuming container-based DAS

• Documentation
  • Continue to work on DAS User's guide - HOW-TO describing how to build a DAS Application

• Infrastructure
  • Automate release distribution process

Java beta1 Release - DAS Key Features

• DAS Core features
  • Optimisc concurrency control
  • Default OCC policy (all OCC-capable fileds used in overquaified "where") (TUSCANY-866)
  • DAS Configuration supports ConnectionInfo for J2SE environment (TUSCANY-948)
  • DAS supports queries that reference tables in multiple schema (TUSCANY-952)

• DAS Samples
  • Creation and initialization of database for DAS samples (TUSCANY-863)
  • Sample with Advanced DAS features Demo (TUSCANY-800)
  • Sample with J2SE application using DAS (samples/customer)