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The following page has been changed by KevinWilliams: http://wiki.apache.org/ws/Tuscany/TuscanyJava/DAS_Java_Overview/RDBDAS_Java_User_Guide/Convention_over_configuration ------------------------------------------------------------------------------ </Table> }}} - However, the RDB DAS understands is that, in the absence of user provided cofiguration data, if a !DataObject has a property named "ID" then it can assume that it maps to a key column in the database. If a developer follows this convention (naming key columns in database tables "ID") then this key-mapping information need not be specified in a configuration file. + However, the RDB DAS understands is that, in the absence of user provided cofiguration data, a !DataObject property named "ID" maps to a key column named "ID" in the database. If a developer follows this convention (naming key columns "ID") then this key-mapping information need not be specified in a configuration file. + The RDB DAS also has convention in place for mapping !DataObject relationships. If a database table (yyy) has a column named xxx_ID then the DAS will assume, in the absence of config data to the contrary, that there is a one-to-many relationship from table xxx to table yyy and that the key column for table xxx is named "ID". + + There is more "convention over configuration" coming. We are currently looking into support for optimistic concurrency control conventions and other areas. + --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
