static void Main(string[] args)
{
ConnectionManager connectionManager = new ConnectionManager();
IConnectionDal[] connections = new IConnectionDal[3]
{
new SqlConnection(),
new MysqlConnection(),
new MongoConnection()
};
foreach (IConnectionDal connect in connections)
{
connectionManager.Add(connect);
}
connectionManager.Remove(new MysqlConnection());
foreach (IConnectionDal item in connections)
{
if (item is SqlConnection || item is MongoConnection)
{
item.Update();
}
}
}
public void Update(IConnectionDal connectionDal)
{
connectionDal.Update();
}
public void Add(IConnectionDal connectionDal)
{
connectionDal.Insert();
}
public void Remove(IConnectionDal connectionDal)
{
connectionDal.Delete();
}
