public int GetNumberOfLines()
{
if (m_realFileRepository != null)
{
m_realFileRepository = new RealFolderRepository(m_path);
}
return(m_realFileRepository.GetNumberOfLines());
}
public bool IsExist()
{
if (m_realFileRepository == null)
{
m_realFileRepository = new RealFolderRepository(m_path);
}
return(m_realFileRepository.IsExist());
}
static void Main(string[] args)
{
//A large folder (on my computer).
const string path = @"C:\Program Files\MATLAB";
//Using the RealFileRepository: creation take long time
//(not necessary if we just want to know if exist)
var realFileRepository = new RealFolderRepository(path);
//Using the Proxy:
var lazeFolderRepositoryProxy = new LazyFolderRepositoryProxy(path);
if (lazeFolderRepositoryProxy.IsExist())
{
Console.WriteLine("The Folder Exist");
}
}