{"id":39046,"date":"2026-02-13T10:30:46","date_gmt":"2026-02-13T07:30:46","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/savior-dusuk-seviyeli-tasarimin-temelleri-ve-uygulamalari\/"},"modified":"2026-02-13T10:30:46","modified_gmt":"2026-02-13T07:30:46","slug":"savior-dusuk-seviyeli-tasarimin-temelleri-ve-uygulamalari","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/savior-dusuk-seviyeli-tasarimin-temelleri-ve-uygulamalari\/","title":{"rendered":"Savior: D\u00fc\u015f\u00fck Seviyeli Tasar\u0131m\u0131n Temelleri ve Uygulamalar\u0131"},"content":{"rendered":"<h2>Savior: D\u00fc\u015f\u00fck Seviyeli Tasar\u0131m\u0131n Temelleri ve Uygulamalar\u0131<\/h2>\n<p>Savior projesi, karma\u015f\u0131k yaz\u0131l\u0131m \u00e7\u00f6z\u00fcmleri sunan iddial\u0131 bir platformdur. Projenin ba\u015far\u0131s\u0131, detayl\u0131 d\u00fc\u015f\u00fck seviyeli tasar\u0131m (LLD) ile do\u011frudan ili\u015fkilidir. Bu makalede, Savior&#8217;\u0131n sa\u011flam, esnek ve s\u00fcrd\u00fcr\u00fclebilir yap\u0131s\u0131n\u0131 olu\u015fturan LLD prensipleri, mimari yakla\u015f\u0131mlar\u0131 ve uygulama stratejileri incelenecektir. Mod\u00fcler yap\u0131, veri y\u00f6netimi, hata yakalama ve g\u00fcvenlik mekanizmalar\u0131 teknik detaylar\u0131yla ele al\u0131nacakt\u0131r.<\/p>\n<h2>Savior Projesine Genel Bak\u0131\u015f ve D\u00fc\u015f\u00fck Seviyeli Tasar\u0131m\u0131n \u00d6nemi<\/h2>\n<p>Savior, modern yaz\u0131l\u0131m d\u00fcnyas\u0131n\u0131n dinamik ihtiya\u00e7lar\u0131na cevap vermek \u00fczere tasarlanm\u0131\u015f, y\u00fcksek performansl\u0131 ve \u00f6l\u00e7eklenebilir bir sistemdir. Bu platform, belirli bir sekt\u00f6rdeki karma\u015f\u0131k i\u015f s\u00fcre\u00e7lerini otomatize etmeyi ve kullan\u0131c\u0131 deneyimini iyile\u015ftirmeyi hedefler. Projenin vizyonu, g\u00fcvenilirli\u011fi ve adaptasyon yetene\u011fi ile \u00f6ne \u00e7\u0131kan bir \u00e7\u00f6z\u00fcm sunmakt\u0131r.<\/p>\n<h3>Savior Nedir?<\/h3>\n<p>Savior, mod\u00fcler yap\u0131s\u0131 sayesinde farkl\u0131 i\u015f alanlar\u0131na kolayca adapte olabilen, mikroservis tabanl\u0131 bir mimariye sahip, bulut tabanl\u0131 bir yaz\u0131l\u0131m platformudur. Temel amac\u0131, veri yo\u011fun uygulamalarda tutarl\u0131l\u0131k, g\u00fcvenlik ve h\u0131z sa\u011flamakt\u0131r. Kullan\u0131c\u0131 dostu aray\u00fczleri ve g\u00fc\u00e7l\u00fc arka u\u00e7 servisleriyle, hem son kullan\u0131c\u0131lara hem de geli\u015ftiricilere de\u011fer katmay\u0131 ama\u00e7lar.<\/p>\n<h3>D\u00fc\u015f\u00fck Seviyeli Tasar\u0131m\u0131n Rol\u00fc<\/h3>\n<p>D\u00fc\u015f\u00fck seviyeli tasar\u0131m (LLD), y\u00fcksek seviyeli mimarinin soyut kavramlar\u0131n\u0131 somut kod bile\u015fenlerine d\u00f6n\u00fc\u015ft\u00fcrme s\u00fcrecidir. Savior gibi karma\u015f\u0131k bir projede LLD, her bir mod\u00fcl\u00fcn, s\u0131n\u0131f\u0131n, fonksiyonun ve veri yap\u0131s\u0131n\u0131n nas\u0131l \u00e7al\u0131\u015faca\u011f\u0131n\u0131, hangi sorumluluklar\u0131 \u00fcstlenece\u011fini ve birbirleriyle nas\u0131l etkile\u015fime girece\u011fini belirler. Sa\u011flam bir LLD, kodun okunabilirli\u011fini, bak\u0131m\u0131n\u0131 ve test edilebilirli\u011fini art\u0131rarak projenin uzun vadeli ba\u015far\u0131s\u0131n\u0131 garantiler.<\/p>\n<h3>Tasar\u0131m Prensipleri<\/h3>\n<p>Savior&#8217;\u0131n d\u00fc\u015f\u00fck seviyeli tasar\u0131m\u0131nda, yaz\u0131l\u0131m m\u00fchendisli\u011finin temel prensipleri benimsenmi\u015ftir. Bu prensipler, kod kalitesini ve s\u00fcrd\u00fcr\u00fclebilirli\u011fi maksimize etmeyi hedefler:<\/p>\n<ul>\n<li><strong>SOLID Prensipleri:<\/strong> Tek Sorumluluk (SRP), A\u00e7\u0131k\/Kapal\u0131 (OCP), Liskov Yerine Ge\u00e7me (LSP), Aray\u00fcz Ayr\u0131m\u0131 (ISP), Ba\u011f\u0131ml\u0131l\u0131k Tersine \u00c7evirme (DIP) prensipleri, mod\u00fcllerin ba\u011f\u0131ms\u0131zl\u0131\u011f\u0131n\u0131 ve esnekli\u011fini sa\u011flar.<\/li>\n<li><strong>DRY (Don&#8217;t Repeat Yourself):<\/strong> Kod tekrar\u0131n\u0131 \u00f6nleyerek bak\u0131m maliyetlerini d\u00fc\u015f\u00fcr\u00fcr ve tutarl\u0131l\u0131\u011f\u0131 art\u0131r\u0131r.<\/li>\n<li><strong>KISS (Keep It Simple, Stupid):<\/strong> Tasar\u0131mlar\u0131n ve uygulamalar\u0131n gereksiz karma\u015f\u0131kl\u0131ktan ka\u00e7\u0131nmas\u0131n\u0131 te\u015fvik eder.<\/li>\n<li><strong>YAGNI (You Ain&#8217;t Gonna Need It):<\/strong> Yaln\u0131zca mevcut ihtiya\u00e7lar\u0131 kar\u015f\u0131layacak \u00f6zelliklerin geli\u015ftirilmesine odaklanarak gereksiz i\u015f y\u00fck\u00fcn\u00fc engeller.<\/li>\n<\/ul>\n<h2>Mimari Katmanlar ve Mod\u00fcler Yap\u0131<\/h2>\n<p>Savior&#8217;\u0131n d\u00fc\u015f\u00fck seviyeli tasar\u0131m\u0131, katmanl\u0131 ve mod\u00fcler bir mimari \u00fczerine kurulmu\u015ftur. Bu yap\u0131, sorumluluklar\u0131n net bir \u015fekilde ayr\u0131lmas\u0131n\u0131, geli\u015ftirme s\u00fcrecinin h\u0131zlanmas\u0131n\u0131 ve sistemin daha kolay \u00f6l\u00e7eklenmesini sa\u011flar.<\/p>\n<h3>Katmanl\u0131 Mimari Yakla\u015f\u0131m\u0131<\/h3>\n<p>Savior, tipik olarak d\u00f6rt ana katmandan olu\u015fan bir mimariyi benimser:<\/p>\n<ol>\n<li><strong>Sunum Katman\u0131 (Presentation Layer):<\/strong> Kullan\u0131c\u0131 aray\u00fcz\u00fcn\u00fc ve kullan\u0131c\u0131 etkile\u015fimlerini y\u00f6netir.<\/li>\n<li><strong>Uygulama Katman\u0131 (Application Layer):<\/strong> \u0130\u015f ak\u0131\u015flar\u0131n\u0131 koordine eder, sunum katman\u0131 ile i\u015f mant\u0131\u011f\u0131 katman\u0131 aras\u0131nda k\u00f6pr\u00fc g\u00f6revi g\u00f6r\u00fcr.<\/li>\n<li><strong>\u0130\u015f Mant\u0131\u011f\u0131 Katman\u0131 (Business Logic Layer &#8211; BLL):<\/strong> Temel i\u015f kurallar\u0131n\u0131 ve s\u00fcre\u00e7lerini i\u00e7erir.<\/li>\n<li><strong>Veri Eri\u015fim Katman\u0131 (Data Access Layer &#8211; DAL):<\/strong> Veritaban\u0131 ile etkile\u015fimi y\u00f6netir, veri depolama ve eri\u015fim i\u015flemlerini soyutlar.<\/li>\n<\/ol>\n<p>Bu katmanlar aras\u0131ndaki ba\u011f\u0131ml\u0131l\u0131klar tek y\u00f6nl\u00fcd\u00fcr; \u00fcst katmanlar alt katmanlara ba\u011f\u0131ml\u0131 olabilirken, alt katmanlar \u00fcst katmanlar hakk\u0131nda bilgi sahibi de\u011fildir.<\/p>\n<h3>Mod\u00fcl Tan\u0131mlamalar\u0131 ve Sorumluluklar\u0131<\/h3>\n<p>Savior, i\u015flevsel alanlara g\u00f6re ayr\u0131lm\u0131\u015f bir\u00e7ok ba\u011f\u0131ms\u0131z mod\u00fclden olu\u015fur. Her mod\u00fcl, belirli bir i\u015f alan\u0131na odaklan\u0131r ve kendi veri modeline, i\u015f mant\u0131\u011f\u0131na ve API&#8217;sine sahiptir. \u00d6rne\u011fin, bir &#8220;Kullan\u0131c\u0131 Y\u00f6netimi&#8221; mod\u00fcl\u00fc, kullan\u0131c\u0131 kayd\u0131, kimlik do\u011frulama ve yetkilendirme gibi i\u015flevleri kapsarken, bir &#8220;Raporlama&#8221; mod\u00fcl\u00fc veri analizi ve rapor \u00fcretimi ile ilgilenir.<\/p>\n<p>Mod\u00fcllerin temel sorumluluklar\u0131 a\u015fa\u011f\u0131daki tabloda \u00f6zetlenmi\u015ftir:<\/p>\n<table>\n<thead>\n<tr>\n<th>Mod\u00fcl Tipi<\/th>\n<th>Sorumluluk Alanlar\u0131<\/th>\n<th>\u00d6rnek \u0130\u015flevler<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kimlik Do\u011frulama<\/td>\n<td>Kullan\u0131c\u0131 kimlik tespiti ve yetkilendirme<\/td>\n<td>Giri\u015f yapma, parola s\u0131f\u0131rlama, rol y\u00f6netimi<\/td>\n<\/tr>\n<tr>\n<td>Veri Y\u00f6netimi<\/td>\n<td>Veri depolama, sorgulama ve g\u00fcncelleme<\/td>\n<td>CRUD i\u015flemleri, veri do\u011frulama<\/td>\n<\/tr>\n<tr>\n<td>Bildirim<\/td>\n<td>Sistem i\u00e7i ve d\u0131\u015f\u0131 bildirimler<\/td>\n<td>E-posta, SMS, anl\u0131k bildirimler<\/td>\n<\/tr>\n<tr>\n<td>Loglama<\/td>\n<td>Sistem olaylar\u0131n\u0131 kaydetme<\/td>\n<td>Hata loglar\u0131, i\u015flem loglar\u0131, denetim izleri<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Mod\u00fcller Aras\u0131 \u0130leti\u015fim<\/h3>\n<p>Mod\u00fcller aras\u0131 ileti\u015fim, gev\u015fek ba\u011fl\u0131l\u0131\u011f\u0131 sa\u011flamak amac\u0131yla genellikle asenkron mesajla\u015fma veya RESTful API&#8217;ler arac\u0131l\u0131\u011f\u0131yla ger\u00e7ekle\u015ftirilir. Bu yakla\u015f\u0131m, bir mod\u00fcldeki de\u011fi\u015fikli\u011fin di\u011fer mod\u00fclleri minimum d\u00fczeyde etkilemesini sa\u011flar. \u00d6rne\u011fin, bir mod\u00fcl bir olay yay\u0131nlayabilir ve bu olaya abone olan di\u011fer mod\u00fcller kendi i\u015f mant\u0131klar\u0131n\u0131 tetikleyebilir.<\/p>\n<pre><code class=\"language-csharp\">\n\/\/ \u00d6rnek bir olay yay\u0131nlama mekanizmas\u0131\npublic interface IEventPublisher\n{\n    void Publish<TEvent>(TEvent @event) where TEvent : class;\n}\n\n\/\/ Bir kullan\u0131c\u0131 kaydedildi\u011finde yay\u0131nlanan olay\npublic class UserRegisteredEvent\n{\n    public Guid UserId { get; set; }\n    public string Email { get; set; }\n}\n\n\/\/ Olay\u0131 dinleyen bir servis\npublic class NotificationService : IEventHandler<UserRegisteredEvent>\n{\n    public void Handle(UserRegisteredEvent @event)\n    {\n        \/\/ Kullan\u0131c\u0131ya ho\u015f geldin e-postas\u0131 g\u00f6nder\n        Console.WriteLine($\"Welcome email sent to {@event.Email}\");\n    }\n}\n<\/pre>\n<p><\/code><\/p>\n<h2>Veri Y\u00f6netimi ve Depolama Stratejileri<\/h2>\n<p>Savior projesinde veri y\u00f6netimi, performans, g\u00fcvenlik ve \u00f6l\u00e7eklenebilirlik a\u00e7\u0131s\u0131ndan kritik bir rol oynar. D\u00fc\u015f\u00fck seviyeli tasar\u0131m, veri modellerinin, eri\u015fim mekanizmalar\u0131n\u0131n ve depolama stratejilerinin detaylar\u0131n\u0131 belirler.<\/p>\n<h3>Veri Modelleri ve \u015eemalar<\/h3>\n<p>Her mod\u00fcl, kendi i\u015flevselli\u011fi i\u00e7in gerekli olan veri modellerini tan\u0131mlar. Bu modeller, veritaban\u0131 \u015femalar\u0131yla do\u011frudan ili\u015fkilidir ve veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc sa\u011flamak i\u00e7in k\u0131s\u0131tlamalar (primary keys, foreign keys, unique constraints) i\u00e7erir. ORM (Object-Relational Mapping) ara\u00e7lar\u0131 (\u00f6rne\u011fin Entity Framework Core veya Hibernate), nesne modelleri ile ili\u015fkisel veritaban\u0131 \u015femalar\u0131 aras\u0131ndaki e\u015fle\u015fmeyi kolayla\u015ft\u0131r\u0131r.<\/p>\n<h3>Veri Eri\u015fim Katman\u0131 (DAL) Tasar\u0131m\u0131<\/h3>\n<p>Veri Eri\u015fim Katman\u0131 (DAL), uygulaman\u0131n veritaban\u0131 ile etkile\u015fimini soyutlar. Bu katman, i\u015f mant\u0131\u011f\u0131 katman\u0131n\u0131n veritaban\u0131 detaylar\u0131ndan ba\u011f\u0131ms\u0131z olmas\u0131n\u0131 sa\u011flar. DAL i\u00e7inde, Repository deseni yayg\u0131n olarak kullan\u0131l\u0131r. Her varl\u0131k (entity) veya varl\u0131k grubu i\u00e7in bir repository aray\u00fcz\u00fc tan\u0131mlan\u0131r ve bu aray\u00fcz\u00fcn somut uygulamas\u0131 veritaban\u0131 teknolojisine \u00f6zeldir.<\/p>\n<pre><code class=\"language-csharp\">\n\/\/ \u00d6rnek Repository Aray\u00fcz\u00fc\npublic interface IUserRepository\n{\n    User GetById(Guid id);\n    IEnumerable<User> GetAll();\n    void Add(User user);\n    void Update(User user);\n    void Delete(Guid id);\n}\n\n\/\/ Uygulama Katman\u0131nda Kullan\u0131m\npublic class UserService\n{\n    private readonly IUserRepository _userRepository;\n\n    public UserService(IUserRepository userRepository)\n    {\n        _userRepository = userRepository;\n    }\n\n    public User GetUserDetails(Guid userId)\n    {\n        return _userRepository.GetById(userId);\n    }\n}\n<\/pre>\n<p><\/code><\/p>\n<h3>\u00d6nbellekleme ve Veri B\u00fct\u00fcnl\u00fc\u011f\u00fc<\/h3>\n<p>Performans\u0131 art\u0131rmak i\u00e7in s\u0131k eri\u015filen veriler \u00f6nbelle\u011fe al\u0131n\u0131r. Savior, Redis gibi da\u011f\u0131t\u0131k \u00f6nbellekleme \u00e7\u00f6z\u00fcmlerini kullan\u0131r. \u00d6nbelle\u011fe alma stratejileri (\u00f6rne\u011fin, \"cache-aside\" veya \"write-through\"), verinin g\u00fcncelli\u011fini korurken performans\u0131 optimize etmeyi hedefler. Veri b\u00fct\u00fcnl\u00fc\u011f\u00fc, veritaban\u0131 k\u0131s\u0131tlamalar\u0131, i\u015flem y\u00f6netimi (transaction management) ve uygun do\u011frulama kurallar\u0131 ile sa\u011flan\u0131r.<\/p>\n<h2>\u00c7ekirdek Bile\u015fenlerin Detayl\u0131 Tasar\u0131m\u0131<\/h2>\n<p>Savior'\u0131n i\u015flevselli\u011fini olu\u015fturan \u00e7ekirdek bile\u015fenler, d\u00fc\u015f\u00fck seviyeli tasar\u0131mda en ince ayr\u0131nt\u0131s\u0131na kadar planlan\u0131r. Bu bile\u015fenler, sistemin kalbini olu\u015fturur ve platformun temel yeteneklerini sa\u011flar.<\/p>\n<h3>\u0130\u015f Mant\u0131\u011f\u0131 Katman\u0131 (BLL)<\/h3>\n<p>\u0130\u015f Mant\u0131\u011f\u0131 Katman\u0131 (BLL), Savior'\u0131n temel i\u015f kurallar\u0131n\u0131 ve operasyonlar\u0131n\u0131 i\u00e7erir. Bu katman, veri do\u011frulama, i\u015f ak\u0131\u015flar\u0131n\u0131n y\u00f6netimi ve \u00e7e\u015fitli servislerin koordinasyonundan sorumludur. BLL'deki s\u0131n\u0131flar genellikle \"Servisler\" veya \"Y\u00f6neticiler\" olarak adland\u0131r\u0131l\u0131r ve Repository katman\u0131 arac\u0131l\u0131\u011f\u0131yla verilere eri\u015firler.<\/p>\n<pre><code class=\"language-csharp\">\n\/\/ \u00d6rnek \u0130\u015f Mant\u0131\u011f\u0131 Servisi\npublic class ProductService\n{\n    private readonly IProductRepository _productRepository;\n    private readonly ILogger _logger;\n\n    public ProductService(IProductRepository productRepository, ILogger logger)\n    {\n        _productRepository = productRepository;\n        _logger = logger;\n    }\n\n    public void CreateProduct(Product product)\n    {\n        if (string.IsNullOrWhiteSpace(product.Name))\n        {\n            _logger.LogError(\"Product name cannot be empty.\");\n            throw new ArgumentException(\"Product name is required.\");\n        }\n        _productRepository.Add(product);\n        _logger.LogInfo($\"Product '{product.Name}' created successfully.\");\n    }\n\n    public Product GetProductDetails(Guid productId)\n    {\n        return _productRepository.GetById(productId);\n    }\n}\n<\/pre>\n<p><\/code><\/p>\n<h3>API\/Aray\u00fcz Tasar\u0131m\u0131<\/h3>\n<p>Savior'\u0131n d\u0131\u015f d\u00fcnyaya a\u00e7\u0131lan kap\u0131s\u0131, iyi tasarlanm\u0131\u015f RESTful API'lerdir. API'ler, kaynak odakl\u0131 (resource-oriented) bir yakla\u015f\u0131mla tasarlan\u0131r ve HTTP metodlar\u0131n\u0131 (GET, POST, PUT, DELETE) do\u011fru bir \u015fekilde kullan\u0131r. Versiyonlama, dok\u00fcmantasyon (Swagger\/OpenAPI) ve hata yan\u0131tlar\u0131, API'nin kullan\u0131labilirli\u011fini ve s\u00fcrd\u00fcr\u00fclebilirli\u011fini art\u0131r\u0131r. \u0130\u00e7 mod\u00fcller aras\u0131 ileti\u015fim i\u00e7in de benzer aray\u00fcz prensipleri uygulanabilir.<\/p>\n<h3>Servis Entegrasyonlar\u0131<\/h3>\n<p>Savior, \u00fc\u00e7\u00fcnc\u00fc taraf servislerle entegrasyonlar gerektirebilir (\u00f6rne\u011fin \u00f6deme a\u011f ge\u00e7itleri, e-posta servisleri, SMS sa\u011flay\u0131c\u0131lar\u0131). Bu entegrasyonlar, genellikle adapt\u00f6r (Adapter) deseni kullan\u0131larak soyutlan\u0131r. B\u00f6ylece, harici bir servisin de\u011fi\u015fmesi durumunda, sistemin \u00e7ekirdek mant\u0131\u011f\u0131 etkilenmez ve sadece ilgili adapt\u00f6r g\u00fcncellenir.<\/p>\n<h2>Hata Y\u00f6netimi, G\u00fcvenlik ve Performans Optimizasyonu<\/h2>\n<p>Herhangi bir kurumsal yaz\u0131l\u0131mda hata y\u00f6netimi, g\u00fcvenlik ve performans, d\u00fc\u015f\u00fck seviyeli tasar\u0131m\u0131n ayr\u0131lmaz bir par\u00e7as\u0131d\u0131r. Savior projesi bu alanlara \u00f6zel \u00f6nem verir.<\/p>\n<h3>Kapsaml\u0131 Hata Yakalama ve Loglama<\/h3>\n<p>Savior'da, hatalar\u0131n do\u011fru bir \u015fekilde yakalanmas\u0131, i\u015flenmesi ve loglanmas\u0131 kritik \u00f6neme sahiptir. \u00d6zel hata s\u0131n\u0131flar\u0131 tan\u0131mlan\u0131r ve istisnalar, uygulaman\u0131n farkl\u0131 katmanlar\u0131nda uygun \u015fekilde ele al\u0131n\u0131r. Loglama mekanizmas\u0131 (\u00f6rne\u011fin Serilog veya Log4net), farkl\u0131 seviyelerde (Info, Warning, Error, Critical) loglar \u00fcreterek sorun giderme ve sistem izleme s\u00fcre\u00e7lerini kolayla\u015ft\u0131r\u0131r. Loglar merkezi bir loglama sistemine (\u00f6rne\u011fin ELK Stack) g\u00f6nderilir.<\/p>\n<h3>G\u00fcvenlik Mekanizmalar\u0131<\/h3>\n<p>Savior'\u0131n d\u00fc\u015f\u00fck seviyeli tasar\u0131m\u0131nda g\u00fcvenlik, \"tasar\u0131mdan itibaren g\u00fcvenlik\" (security by design) prensibiyle ele al\u0131n\u0131r. Temel g\u00fcvenlik \u00f6nlemleri \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li><strong>Kimlik Do\u011frulama ve Yetkilendirme:<\/strong> JWT (JSON Web Tokens) veya OAuth2 gibi standartlar kullan\u0131larak kullan\u0131c\u0131 kimlikleri do\u011frulan\u0131r ve her iste\u011fin yetkilendirme kontrollerinden ge\u00e7mesi sa\u011flan\u0131r.<\/li>\n<li><strong>Veri \u015eifreleme:<\/strong> Hassas veriler hem depoda (at rest) hem de iletim s\u0131ras\u0131nda (in transit) g\u00fc\u00e7l\u00fc \u015fifreleme algoritmalar\u0131yla korunur.<\/li>\n<li><strong>Giri\u015f Do\u011frulama ve Sanitizasyon:<\/strong> T\u00fcm kullan\u0131c\u0131 giri\u015fleri, SQL Injection, XSS (Cross-Site Scripting) gibi yayg\u0131n sald\u0131r\u0131lar\u0131 \u00f6nlemek i\u00e7in titizlikle do\u011frulan\u0131r ve temizlenir.<\/li>\n<li><strong>G\u00fcvenlik Denetimleri:<\/strong> D\u00fczenli g\u00fcvenlik denetimleri ve s\u0131zma testleri, potansiyel zafiyetleri belirlemek ve gidermek i\u00e7in yap\u0131l\u0131r.<\/li>\n<\/ul>\n<h3>Performans \u0130yile\u015ftirme Teknikleri<\/h3>\n<p>Performans, Savior i\u00e7in temel bir gereksinimdir. D\u00fc\u015f\u00fck seviyeli tasar\u0131mda benimsenen baz\u0131 optimizasyon teknikleri \u015funlard\u0131r:<\/p>\n<ul>\n<li><strong>Asenkron Programlama:<\/strong> I\/O yo\u011fun i\u015flemleri (veritaban\u0131 sorgular\u0131, a\u011f \u00e7a\u011fr\u0131lar\u0131) asenkron olarak y\u00fcr\u00fcterek uygulama yan\u0131t s\u00fcresi art\u0131r\u0131l\u0131r.<\/li>\n<li><strong>Veritaban\u0131 Optimizasyonu:<\/strong> Etkili indeksleme, sorgu optimizasyonu ve ba\u011flant\u0131 havuzlama teknikleri kullan\u0131l\u0131r.<\/li>\n<li><strong>Kaynak Y\u00f6netimi:<\/strong> Bellek s\u0131z\u0131nt\u0131lar\u0131n\u0131 \u00f6nlemek ve CPU kullan\u0131m\u0131n\u0131 optimize etmek i\u00e7in kaynaklar\u0131n do\u011fru bir \u015fekilde y\u00f6netilmesi sa\u011flan\u0131r.<\/li>\n<li><strong>Y\u00fck Dengeleme ve \u00d6l\u00e7eklenebilirlik:<\/strong> Mikroservis mimarisi, yatay \u00f6l\u00e7eklenebilirli\u011fi kolayla\u015ft\u0131r\u0131r ve y\u00fck dengeleyicilerle birlikte y\u00fcksek trafik durumlar\u0131nda bile performans\u0131 korur.<\/li>\n<\/ul>\n<h2>Test Edilebilirlik ve Bak\u0131m Kolayl\u0131\u011f\u0131<\/h2>\n<p>D\u00fc\u015f\u00fck seviyeli tasar\u0131m\u0131n \u00f6nemli bir amac\u0131, yaz\u0131l\u0131m\u0131n test edilebilirli\u011fini ve uzun vadeli bak\u0131m\u0131n\u0131 kolayla\u015ft\u0131rmakt\u0131r. Savior projesinde bu prensipler \u00f6n planda tutulur.<\/p>\n<h3>Birim ve Entegrasyon Testleri<\/h3>\n<p>Her bir s\u0131n\u0131f ve fonksiyon i\u00e7in kapsaml\u0131 birim testleri yaz\u0131l\u0131r. Bu testler, kodun beklenen davran\u0131\u015f\u0131 sergiledi\u011fini do\u011frular ve gelecekteki de\u011fi\u015fikliklerin mevcut i\u015flevselli\u011fi bozmad\u0131\u011f\u0131n\u0131 garanti eder. Entegrasyon testleri ise farkl\u0131 mod\u00fcllerin veya servislerin birbiriyle do\u011fru \u015fekilde ileti\u015fim kurdu\u011funu kontrol eder. Ba\u011f\u0131ml\u0131l\u0131k Enjeksiyonu (Dependency Injection) prensibi, test edilebilirli\u011fi b\u00fcy\u00fck \u00f6l\u00e7\u00fcde art\u0131r\u0131r.<\/p>\n<pre><code class=\"language-csharp\">\n\/\/ \u00d6rnek Birim Testi (xUnit veya NUnit ile)\npublic class ProductServiceTests\n{\n    [Fact]\n    public void CreateProduct_ValidProduct_AddsProductToRepository()\n    {\n        \/\/ Arrange\n        var mockProductRepository = new Mock<IProductRepository>();\n        var mockLogger = new Mock<ILogger>();\n        var productService = new ProductService(mockProductRepository.Object, mockLogger.Object);\n        var product = new Product { Id = Guid.NewGuid(), Name = \"Test Product\", Price = 10.0m };\n\n        \/\/ Act\n        productService.CreateProduct(product);\n\n        \/\/ Assert\n        mockProductRepository.Verify(repo => repo.Add(It.IsAny<Product>()), Times.Once);\n        mockLogger.Verify(logger => logger.LogInfo(It.IsAny<string>()), Times.Once);\n    }\n\n    [Fact]\n    public void CreateProduct_EmptyName_ThrowsArgumentException()\n    {\n        \/\/ Arrange\n        var mockProductRepository = new Mock<IProductRepository>();\n        var mockLogger = new Mock<ILogger>();\n        var productService = new ProductService(mockProductRepository.Object, mockLogger.Object);\n        var product = new Product { Id = Guid.NewGuid(), Name = \"\", Price = 10.0m };\n\n        \/\/ Act & Assert\n        Assert.Throws<ArgumentException>(() => productService.CreateProduct(product));\n        mockLogger.Verify(logger => logger.LogError(It.IsAny<string>()), Times.Once);\n    }\n}\n<\/pre>\n<p><\/code><\/p>\n<h3>Kod Kalitesi ve Dok\u00fcmantasyon<\/h3>\n<p>Kod kal<\/p>\n","protected":false},"excerpt":{"rendered":"Savior, modern yaz\u0131l\u0131m d\u00fcnyas\u0131n\u0131n dinamik ihtiya\u00e7lar\u0131na cevap vermek \u00fczere tasarlanm\u0131\u015f, y\u00fcksek performansl\u0131 ve \u00f6l\u00e7eklenebilir bir sistemdir. 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