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            Xcalia Intermediation Core
            Xcalia Intermediation Software
            (c) Xcalia 2001-2007
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This document describes what's new in XIC 5.2.0:

- Upgrade to the latest JDO 2.0 specification
- Support for SDO 2.0.1
- XIC Data Access Service
- Java and .NET clients for XIC Data Access Service
- Exclusive support of Java 5
- Service data source
   + collections improvements: clear, removeAll
   + behaviour syntax improvements
   + simple query on simple fields
   + XSM language
      - transactional method mapping
      - support of default values and user context values for method parameters
   + EJB invoker
      - new configuration
      - EJB3 support
      - compatibility with JBOSS v4.0.4, JOnAS 4.8.4, Sun Java System Application Server (v9 Update 1ML), Weblogic 8.2
   + Web Services invoker
      - new configuration
      - Axis2 support
      - bean return type support for Axis and Axis2
   + JCA invoker
      - improvements for managed and non-managed environments
- Tools
   + compliance with Ant 1.7.0 task definition format
- Improvements
   + property lido.jdo.nonTransactionalGetObjectByIdState to specify the behavior of getObjectById() without a transaction  
- Fixes
   + exception throwing when a synthetic value is set on a non-managed instance
   + apply PersistenceManager.getObjectById() with a fetch plan
   + optimistic check when batching is disabled
   + warning if optimistic update is disabled by config
   + inheritance of field behaviors
   + optimistic check on embedded fields and references
- Changes
   + default value of lido.assumeAnonymousAsDatastore option from false to true
   + implicit loading of synthetic fields with the identity
   + error raise when a field in a persistence-capable subclass is overridden
   + split of IdentityProvider interfaces into client and server specific ones
   + synthetic fields must have a mapper that specifies the type of the field (Object is not assumed anymore)

XIC 5.0.0 changes from XIC 4.3.1: 

- Support for many SDO 2 API (serialization, helper, ...)
- Web services client (including XIC's DAS as specified in SDO)
- Service data source
   + Cost model
   + Cost selection strategies
   + Natural behavior language
   + Support for optional reading
- Support for eager fetching in all read methods (in XIC 4.x, eager fetching was only available in queries)
- various API changes