Am 10.10.2011 12:04, schrieb bls:
-- Sorry for posting on D.announce --Hi, what do you people think about using the GoF Factory (design) pattern ? F.I. abstract class Database { //common database stuff public abstract void connect(string user, string pw); // execSql(); prepare() etc... } abstract class DatabaseFactory { public abstract Database GetDatabase(); } class PostgreSQL:Database { // common public override void connect(string user, string pw) { } //PostgreSQL specific public void funkyPGstuff() {} } class PostreSQLFactory:DatabaseFactory { public override Database GetDatabase() { return new PostgreSQL(); } } class MySQL:Database { // common public override void connect(string user, string pw) { } //MySQL specific public void funkyMySQLstuff() {} } class MySQLFactory:DatabaseFactory { public override Database GetDatabase() { return new MySQL(); } }
I think this would make sense and JDBC does something similar, if I recall correctly.
Cheers, - Daniel
