CSharp_DesignPattern_Factory_ EasySimpleFactory.cs

CSharp_DesignPattern_Factory_ EasySimpleFactory.cs

void Main()
{

            DbServer dbServer = DatabaseFactory.GetDb("Ms Sql Server");
            string dbName = dbServer.GetDbServerName();
            Console.WriteLine("Server Name : " + dbName);

            dbServer = DatabaseFactory.GetDb("Oracle Database Server");
            dbName = dbServer.GetDbServerName();
            Console.WriteLine("Server Name : " + dbName);
            Console.Read();

}
   public abstract class DbServer
    {
        public abstract string GetDbServerName();
    }
    public class MsSqlServerDb : DbServer
    {
        public override string GetDbServerName()
        {
            return "MS Sql Server";
        }
    }
    public class OracleDb : DbServer
    {
        public override string GetDbServerName()
        {
            return "Oracle Database Server";
        }
    }
    public static class DatabaseFactory
    {
        public static DbServer GetDb(string DbName)
        {
            if (DbName == "Ms Sql Server")
            {
                return new MsSqlServerDb();
            }
            if (DbName == "Oracle Database Server")
            {
                return new OracleDb();
            }
            return new MsSqlServerDb();
        }
    }