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Base4 is a Free (LGPL) application server for generating, sharing and re-using .Net data layers; this is intended to allow a development team to leverage existing enterprise systems and common functionality instead starting from scratch. It shares many similarities with WinFS but is significantly simpler because it doesn't need to be backward compatible with the whole of the Win32 API stack. The latest version comes with a schema guesser to help new developers get started quickly. There is a video demonstrating this ability for setting up and writing in Base4 (here. ) ==Features== *Server has an embedded website for Creating, Guessing, Managing and Registering schemas, with no need to learn XML syntax. *Client/Server architecture allows many applications to act as a client of a Base4 Server at the same time, while centralizing common business logic. Business logic is bound typically to a schema and this is the primary unit of re-use in Base4. Each client application picks which schemas it needs to work with from those that the server makes available, and the server provides a central place which can enforce the business logic for that schema, independently of the client. *Server now supports a new List *Allows you to define and generate a fully functional .NET data-layer by using the embedded website or, alternatively, by using the simple XML schema *Support for inter-schema references to encourage data-layer sharing and re-use *Support for schemas that (wrap legacy ) databases *Support for schemas that (extend legacy ) databases *Support for Object SQL-like queries and deep pre-loading of objects using what is called ObjectScoping *Application Server supports add-ins to respond to lifecycle events (some examples are BeforeSave, AfterQuery, etc.) *A core schema with built-in support for Files, Users, etc., and a framework for supporting Metadata promotion and demotion to and from files. *All generated data-layers provide extensive support for XML including XML persistence, object Readers, and Object Writers that work directly with XML *Automatic .NET Remoting configuration and custom type serialization management 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Base4」の詳細全文を読む スポンサード リンク
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