Delphi Persistent Object

File Release Notes and Changelog

Release Name: DePO 0.20

Notes: 04-04-2003 Released DePO v0.18 Many, many bug corrected in the CRUD (Create, Retrieve, Update and Delete) mechanism, added RunTime Information cache for every class used, added IBX mechanism (thanx to m_gamarra@bol.com.br), added CLX package version, added TcxPersistentDataSource a custom datasource to connect persistent object & collection to the Dev Express Quantum Grid 4, added documentation about how to make association. 01-05-2003 Released DePO v0.19 I have resolved all segnalated bugs (that are many) and : - added for presentation layer one functioning TDePODataset with OneToOne and OneToMany association working, and all data property type supported; - added in PersistentCriteria the possibility to search for a property of a sub object, example: i have an invoice object with a sub object (one2One association) with an customer object that have a surname property. Now i can write Criteria.Add(TEqualsCriteria, 'Customer.Surname', [Value]); - Resolved many bugs in TDBXMechanism (a big tnx to UpToWeb) 05-06-2003 Released DePO v0.20 -Added TpersistentList object a TList descendant with persistence capability; -Added Attribute property on TPersistentObject for attribute introspection of value, datatype, etc. -Totally revisited objects relationships (forwards and backwards), now more easy and clear, Documentation about this is working in progress will be released very soon. -Finally a working demo!!! With relationships example with other objects and with the same object, the new possibility to query a value of a property by his name with the use of dot and the index for the list. Try to use "Items[0].Description" in the demo. -I had not time to complete modification to the TDePODataset, i'm restructuring it to manage the null value and relationships with TFieldDataset and TADTField. -Modified TcxPersistentListDataSource, now support the new persistent list. -More, more stable!!! 11-05-2003 Released DePO v0.20a -Fixed some minor bugs