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工作学习 / 学科技术讨论 / Please help the poor student with Question from the homework: How to design and implement the application invokes a DAFL(data access facility layer) to connect different data source(multiple databases,web services,etc)? Many thanks!
-guelpher(Guelph);
2010-7-25
(#6195474@0)
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Please, SOS!
-guelpher(Guelph);
2010-7-25
(#6196120@0)
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in that layer, for example, table1 uses data adapter1 connecting to datasource1, table2 uses data adapter2 connecting to datasource2, etc.
-zzhang(zz);
2010-7-26
(#6196275@0)
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still confused, more detail? thanks so much!
-guelpher(Guelph);
2010-7-26
(#6196348@0)
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You may consider using “Abstract factory pattern” or simpler “factory method pattern” in your case.
-deep_blue(BLUE);
2010-7-26
(#6196323@0)