{"id":3093,"date":"2024-11-06T02:45:11","date_gmt":"2024-11-05T23:45:11","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/"},"modified":"2024-11-06T02:45:11","modified_gmt":"2024-11-05T23:45:11","slug":"tekil-ornegi-degistirme-refactoring-018","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/","title":{"rendered":"Tekil \u00d6rne\u011fi De\u011fi\u015ftirme: Refactoring 018"},"content":{"rendered":"<p>Tekil \u00d6rne\u011fi De\u011fi\u015ftirme: Refactoring 018<\/p>\n<p>Merhaba, bu makalede **Tekil \u00d6rne\u011fi De\u011fi\u015ftirme** (Replace Singleton) adl\u0131 refactoring tekni\u011fini ele alaca\u011f\u0131z. Bu teknik, kodunuzda tekil desenin kullan\u0131m\u0131n\u0131 ele almak ve daha esnek, test edilebilir ve bak\u0131m\u0131 kolay bir yap\u0131ya d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h2>Tekil \u00d6rne\u011fi De\u011fi\u015ftirme Neden Gereklidir?<\/h2>\n<p>Tekil desen, bir s\u0131n\u0131ftan yaln\u0131zca bir \u00f6rnek olu\u015fturulmas\u0131n\u0131 sa\u011flar ve bu \u00f6rnek, uygulaman\u0131n herhangi bir yerinden eri\u015filebilir hale getirir. Tekil desenin baz\u0131 avantajlar\u0131 olsa da, birka\u00e7 dezavantaj\u0131 da vard\u0131r:<\/p>\n<ul>\n<li>**S\u0131n\u0131flar\u0131 test etmek zorla\u015f\u0131r**: Tekil \u00f6rne\u011fe ba\u011fl\u0131 olan di\u011fer s\u0131n\u0131flar\u0131n ba\u011f\u0131ml\u0131l\u0131klar\u0131n\u0131 \u00e7\u00f6zmek zor olabilir, bu da test edilebilirli\u011fi azalt\u0131r.<\/li>\n<li>**\u00c7\u0131kar\u0131mlar olu\u015fturmak zorla\u015f\u0131r**: Tekil \u00f6rne\u011fe ba\u011fl\u0131 olan di\u011fer s\u0131n\u0131flar\u0131 de\u011fi\u015ftirmek zor olabilir, bu da kodun bak\u0131m\u0131 zorla\u015ft\u0131r\u0131r.<\/li>\n<li>**\u00d6l\u00e7eklenebilirlik sorunlar\u0131**: Tekil \u00f6rne\u011fe ba\u011fl\u0131 olan di\u011fer s\u0131n\u0131flar tekil \u00f6rne\u011fe ba\u011f\u0131ml\u0131 hale gelir, bu da uygulaman\u0131n \u00f6l\u00e7eklenebilirli\u011fini azaltabilir.<\/li>\n<\/ul>\n<h2>Tekil \u00d6rne\u011fi De\u011fi\u015ftirme Nas\u0131l Yap\u0131l\u0131r?<\/h2>\n<p>Tekil \u00f6rne\u011fi de\u011fi\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izleyebilirsiniz:<\/p>\n<ol>\n<li>**Tekil s\u0131n\u0131f\u0131 aray\u00fcze d\u00f6n\u00fc\u015ft\u00fcr\u00fcn**: Tekil s\u0131n\u0131f\u0131n aray\u00fcz\u00fcn\u00fc tan\u0131mlay\u0131n ve tekil s\u0131n\u0131f\u0131n kulland\u0131\u011f\u0131 y\u00f6ntemleri aray\u00fcze ekleyin.<\/li>\n<li>**Yeni bir s\u0131n\u0131f olu\u015fturun**: Tekil s\u0131n\u0131f\u0131n aray\u00fcz\u00fcn\u00fc uygulayan yeni bir s\u0131n\u0131f olu\u015fturun ve tekil s\u0131n\u0131f\u0131n i\u015flevselli\u011fini bu yeni s\u0131n\u0131fa ta\u015f\u0131y\u0131n.<\/li>\n<li>**Tekil s\u0131n\u0131f\u0131 ortadan kald\u0131r\u0131n**: Tekil s\u0131n\u0131f\u0131n kullan\u0131mlar\u0131n\u0131 yeni s\u0131n\u0131fla de\u011fi\u015ftirin ve tekil s\u0131n\u0131f\u0131 projenizden kald\u0131r\u0131n.<\/li>\n<li>**Tekil s\u0131n\u0131f\u0131n aray\u00fcz\u00fcn\u00fc kullan\u0131n**: Tekil s\u0131n\u0131f\u0131n yerine, di\u011fer s\u0131n\u0131flar aray\u00fcz\u00fc kullanmal\u0131d\u0131r.<\/li>\n<\/ol>\n<h2>\u00d6rnek: Tekil Bir Veritaban\u0131 Ba\u011flant\u0131s\u0131 S\u0131n\u0131f\u0131<\/h2>\n<p>A\u015fa\u011f\u0131daki kod, bir veritaban\u0131na ba\u011flant\u0131 sa\u011flayan bir tekil s\u0131n\u0131f\u0131n basit bir \u00f6rne\u011fini g\u00f6sterir:<\/p>\n<p>&#8220;`java<br \/>\npublic class DatabaseConnection {<br \/>\n  private static DatabaseConnection instance;<br \/>\n  private Connection connection;<\/p>\n<p>  private DatabaseConnection() {<br \/>\n    \/\/ Veritaban\u0131na ba\u011flant\u0131 kur<br \/>\n  }<\/p>\n<p>  public static DatabaseConnection getInstance() {<br \/>\n    if (instance == null) {<br \/>\n      instance = new DatabaseConnection();<br \/>\n    }<br \/>\n    return instance;<br \/>\n  }<\/p>\n<p>  public Connection getConnection() {<br \/>\n    return connection;<br \/>\n  }<br \/>\n}<br \/>\n&#8220;`<\/p>\n<p>Bu kodu tekil \u00f6rne\u011fi de\u011fi\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izleyebiliriz:<\/p>\n<ol>\n<li>**Aray\u00fcz\u00fc tan\u0131mla**:<br \/>\n    &#8220;`java<br \/>\n    public interface IConnectionProvider {<br \/>\n      Connection getConnection();<br \/>\n    }<br \/>\n    &#8220;`\n  <\/li>\n<li>**Yeni s\u0131n\u0131f\u0131 olu\u015ftur**:<br \/>\n    &#8220;`java<br \/>\n    public class DefaultConnectionProvider implements IConnectionProvider {<br \/>\n      private Connection connection;<\/p>\n<p>      public DefaultConnectionProvider() {<br \/>\n        \/\/ Veritaban\u0131na ba\u011flant\u0131 kur<br \/>\n      }<\/p>\n<p>      @Override<br \/>\n      public Connection getConnection() {<br \/>\n        return connection;<br \/>\n      }<br \/>\n    }<br \/>\n    &#8220;`\n  <\/li>\n<li>**Tekil s\u0131n\u0131f\u0131 ortadan kald\u0131r**: `DatabaseConnection` s\u0131n\u0131f\u0131n\u0131 projeden kald\u0131r\u0131n ve di\u011fer s\u0131n\u0131flar\u0131n `DefaultConnectionProvider` s\u0131n\u0131f\u0131n\u0131 kullanmas\u0131n\u0131 sa\u011flay\u0131n.<\/li>\n<li>**Aray\u00fcz\u00fc kullan**:<br \/>\n    &#8220;`java<br \/>\n    \/\/ Di\u011fer s\u0131n\u0131flar, IConnectionProvider aray\u00fcz\u00fcn\u00fc kullanmal\u0131d\u0131r<br \/>\n    IConnectionProvider connectionProvider = new DefaultConnectionProvider();<br \/>\n    Connection connection = connectionProvider.getConnection();<br \/>\n    &#8220;`\n  <\/li>\n<\/ol>\n<h2>Tekil \u00d6rne\u011fi De\u011fi\u015ftirmenin Faydalar\u0131<\/h2>\n<p>Tekil \u00f6rne\u011fi de\u011fi\u015ftirmenin birka\u00e7 faydas\u0131 vard\u0131r:<\/p>\n<ul>\n<li>**Daha iyi test edilebilirlik**: Tekil \u00f6rne\u011fi ortadan kald\u0131rarak, s\u0131n\u0131flar\u0131 ba\u011f\u0131ml\u0131l\u0131klardan ay\u0131r\u0131r\u0131z ve bu da test etmeyi kolayla\u015ft\u0131r\u0131r.<\/li>\n<li>**Daha iyi bak\u0131labilirlik**: Tekil \u00f6rne\u011fi ortadan kald\u0131rarak, kodun bak\u0131m\u0131 kolayla\u015f\u0131r, \u00e7\u00fcnk\u00fc tekil s\u0131n\u0131fa ba\u011fl\u0131 olan di\u011fer s\u0131n\u0131flar\u0131 de\u011fi\u015ftirmek zorunda kalmay\u0131z.<\/li>\n<li>**Daha iyi \u00f6l\u00e7eklenebilirlik**: Tekil \u00f6rne\u011fi ortadan kald\u0131rarak, uygulaman\u0131n \u00f6l\u00e7eklenebilirli\u011fini art\u0131r\u0131r\u0131z, \u00e7\u00fcnk\u00fc tekil \u00f6rne\u011fe ba\u011fl\u0131 olan di\u011fer s\u0131n\u0131flar art\u0131k s\u0131n\u0131rl\u0131 de\u011fildir.<\/li>\n<\/ul>\n<h2>Sonu\u00e7<\/h2>\n<p>Tekil \u00f6rne\u011fi de\u011fi\u015ftirme, tekil desenin kullan\u0131m\u0131n\u0131 ele almak ve kodun daha esnek, test edilebilir ve bak\u0131m\u0131 kolay hale getirmek i\u00e7in faydal\u0131 bir refactoring tekni\u011fidir. Bu tekni\u011fi kullanarak, uygulaman\u0131z\u0131n kalitesini art\u0131rabilir ve daha fazla esneklik ve \u00f6l\u00e7eklenebilirlik elde edebilirsiniz.<\/p>\n<p>#Etiketler<br \/>\n#Tekil\u00d6rne\u011fiDe\u011fi\u015ftirme #Refactoring #TekilDesen #OOP #Yaz\u0131l\u0131mGeli\u015ftirme #KodKalitesi #TestEdilebilirlik #Bak\u0131m #\u00d6l\u00e7eklenebilirlik #Java #C# #Python #JavaScript #PHP #Kotlin #Swift #Dart #TypeScript #Veritaban\u0131Ba\u011flant\u0131s\u0131 #Aray\u00fcz #S\u0131n\u0131flar #Ba\u011f\u0131ml\u0131l\u0131k\u00c7\u00f6z\u00fcm\u00fc #FatihSoysal<\/p>\n","protected":false},"excerpt":{"rendered":"Tekil \u00d6rne\u011fi De\u011fi\u015ftirme: Refactoring 018 Merhaba, bu makalede **Tekil \u00d6rne\u011fi De\u011fi\u015ftirme** (Replace Singleton) adl\u0131 refactoring tekni\u011fini ele alaca\u011f\u0131z.&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-3093","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tekil \u00d6rne\u011fi De\u011fi\u015ftirme: Refactoring 018<\/title>\n<meta name=\"description\" content=\"Merhaba, bu makalede **Tekil \u00d6rne\u011fi De\u011fi\u015ftirme** (Replace Singleton) adl\u0131 refactoring tekni\u011fini ele alaca\u011f\u0131z. Bu teknik, kodunuzda tekil desenin kullan\u0131m\u0131n\u0131 ele almak ve daha esnek, test edilebilir ve bak\u0131m\u0131 kolay bir yap\u0131ya d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in kullan\u0131l\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tekil \u00d6rne\u011fi De\u011fi\u015ftirme: Refactoring 018\" \/>\n<meta property=\"og:description\" content=\"Merhaba, bu makalede **Tekil \u00d6rne\u011fi De\u011fi\u015ftirme** (Replace Singleton) adl\u0131 refactoring tekni\u011fini ele alaca\u011f\u0131z. Bu teknik, kodunuzda tekil desenin kullan\u0131m\u0131n\u0131 ele almak ve daha esnek, test edilebilir ve bak\u0131m\u0131 kolay bir yap\u0131ya d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in kullan\u0131l\u0131r.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-05T23:45:11+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"Tekil \u00d6rne\u011fi De\u011fi\u015ftirme: Refactoring 018\",\"datePublished\":\"2024-11-05T23:45:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/\"},\"wordCount\":754,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/#respond\"]}],\"copyrightYear\":\"2024\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/tekil-ornegi-degistirme-refactoring-018\/\",\"name\":\"Tekil \u00d6rne\u011fi De\u011fi\u015ftirme: Refactoring 018\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2024-11-05T23:45:11+00:00\",\"description\":\"Merhaba, bu makalede **Tekil \u00d6rne\u011fi De\u011fi\u015ftirme** (Replace Singleton) adl\u0131 refactoring tekni\u011fini ele alaca\u011f\u0131z. 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