{"id":4178,"date":"2019-12-18T09:17:50","date_gmt":"2019-12-18T09:17:50","guid":{"rendered":"http:\/\/www.max-sperling.bplaced.net\/?p=4178"},"modified":"2024-02-16T10:02:57","modified_gmt":"2024-02-16T10:02:57","slug":"adapter-design-pattern","status":"publish","type":"post","link":"http:\/\/www.max-sperling.bplaced.net\/?p=4178","title":{"rendered":"Adapter (Design Pattern)"},"content":{"rendered":"<p>This structural pattern translates one class interface into another.<\/p>\n<hr>\n<p><img decoding=\"async\" src=\"http:\/\/www.max-sperling.bplaced.net\/wp-content\/uploads\/2020\/11\/Adapter.svg\" class=\"aligncenter\" \/><br \/>\nThis is a class adapter, but there also exists an object adapter.<\/p>\n<hr>\n<pre class=\"brush: cpp; gutter: false; title: ; notranslate\" title=\"\">\r\n#include &lt;memory&gt;\r\n#include &lt;iostream&gt;\r\n \r\n\/\/ Interface\r\nclass IUsbCSocket {\r\npublic:\r\n    virtual void justConnect() = 0;\r\n};\r\n \r\n\/\/ Legacy class\r\nclass MicroUsbSocket {\r\npublic:\r\n    void lookThenConnect() {\r\n        std::cout &lt;&lt; &quot;Look then connect Micro-USB.&quot; &lt;&lt; std::endl;\r\n    }\r\n};\r\n \r\n\/\/ Adapter class\r\nclass UsbC2MicroUsbSocketAdapter :\r\n    public IUsbCSocket, private MicroUsbSocket {\r\npublic:\r\n    void justConnect() override {\r\n        std::cout &lt;&lt; &quot;Just connect USB-C.&quot; &lt;&lt; std::endl;\r\n        lookThenConnect();\r\n    }\r\n};\r\n \r\nint main() {\r\n    std::unique_ptr&lt;IUsbCSocket&gt; socket(new UsbC2MicroUsbSocketAdapter());\r\n    socket-&gt;justConnect();\r\n    \/\/ ...\r\n    return 0;\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>This structural pattern translates one class interface into another. This is a class adapter, but there also exists an object<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[30],"tags":[],"_links":{"self":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/4178"}],"collection":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4178"}],"version-history":[{"count":1,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/4178\/revisions"}],"predecessor-version":[{"id":16692,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=\/wp\/v2\/posts\/4178\/revisions\/16692"}],"wp:attachment":[{"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4178"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.max-sperling.bplaced.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}