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EnglishThe C++ language has only a limited runtime type information system, which doesn’t provide full reflection capabilities. We present a general mechanism to support reflection, exploiting template metaprogramming techniques. Two solutions are presented: a static one where metaclass information is only available at compile time to produce class specific code; and a dynamic one where metaclass objects exist at runtime. As a case study of technique we show how to build an object interface to relational database tables. By just annotating a class definition with meta information, such as storage attributes or index properties of fields, a programmer can define objects that can be stored, fetched or searched in a database table. This approach has been used in building a high-performance, full text search engine.
| Titolo: | Reflection support by means of template metaprogramming | |
| Autori interni: | ||
| Anno del prodotto: | 2001 | |
| Rivista: | ||
| Abstract: | The C++ language has only a limited runtime type information system, which doesn’t provide full reflection capabilities. We present a general mechanism to support reflection, exploiting template metaprogramming techniques. Two solutions are presented: a static one where metaclass information is only available at compile time to produce class specific code; and a dynamic one where metaclass objects exist at runtime. As a case study of technique we show how to build an object interface to relational database tables. By just annotating a class definition with meta information, such as storage attributes or index properties of fields, a programmer can define objects that can be stored, fetched or searched in a database table. This approach has been used in building a high-performance, full text search engine. | |
| Handle: | http://hdl.handle.net/11568/192449 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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