{"id":36522,"date":"2023-04-23T06:47:16","date_gmt":"2023-10-01T22:16:06","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8eapache-beam%e7%9a%84avrocoder%e7%9a%84%e8%ae%a8%e8%ae%ba\/"},"modified":"2024-04-30T00:50:56","modified_gmt":"2024-04-29T16:50:56","slug":"%e5%85%b3%e4%ba%8eapache-beam%e7%9a%84avrocoder%e7%9a%84%e8%ae%a8%e8%ae%ba","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8eapache-beam%e7%9a%84avrocoder%e7%9a%84%e8%ae%a8%e8%ae%ba\/","title":{"rendered":"\u5173\u4e8eApache Beam\u7684AvroCoder\u7684\u8ba8\u8bba"},"content":{"rendered":"

AvroCoder\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u4f7f\u7528Avro\u683c\u5f0f\u8fdb\u884c\u6570\u636e\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u662fBeam\u5185\u7f6e\u7684\u7f16\u7801\u5668\u3002
\n\u6e90\u4ee3\u7801\u5728\u8fd9\u91cc\uff0cjavadoc\u5728\u8fd9\u91cc\u3002<\/p>\n

Coder\u662f\u4ec0\u4e48\uff1f<\/h1>\n

Beam\u4f7f\u7528\u7684\u662f\u7528\u4e8e\u6570\u636e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684\u7c7b\u3002<\/p>\n

Avro\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u8fd9\u662f\u5173\u4e8e\u5e8f\u5217\u5316\u7684\u683c\u5f0f\uff08\u548c\u5468\u8fb9\u751f\u6001\u7cfb\u7edf\uff09\u3002
\n\u901a\u8fc7reflect\u673a\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u4eceJava\u7c7b\u521b\u5efa\u6a21\u5f0f\uff08\u4f8b\u5982\uff09\u3002<\/p>\n

\u600e\u4e48\u4f7f\u7528\uff1f ?)<\/h1>\n

\u53ea\u9700\u8981\u5728\u6307\u5b9a\u7684\u7c7b\u4e2d\u52a0\u4e0a\u7c7b\u4f3c\u4e0b\u9762\u7684\u6ce8\u91ca\u5373\u53ef\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u4e00\u4e2a\u65e0\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\u3002<\/p>\n

 @DefaultCoder(AvroCoder.class)\r\n public class MyCustomElement {\r\n     ...\r\n }\r\n\r\n<\/code><\/pre>\n
\u800c\u4e14\uff0c\u60a8\u8fd8\u53ef\u4ee5\u660e\u786e\u5b9a\u4e49Avro\u7684\u6a21\u5f0f\u5e76\u521b\u5efa\u7f16\u7801\u5668\u3002
\n\uff08\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u662f\u901a\u8fc7CoderRegistry\u6ce8\u518c\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u6ce8\u89e3\u5417\uff1f\uff09<\/p>\n
AvroCoder\u6709\u4ec0\u4e48\u597d\u5904\u5462?<\/h1>\n
    \n
  • \n
      \u7d44\u307f\u8fbc\u307f\u306ecoder\u306a\u306e\u3067\u3059\u3050\u306b\u4f7f\u3048\u308b<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          \u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u306a\u306e\u3067\u4efb\u610f\u306e\u30af\u30e9\u30b9\u306b\u4f7f\u3048\u308b<\/ul>\n<\/li>\n<\/ul>\n
          \u5f15\u6570\u306a\u3057\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5fc5\u8981\u3001static\/transiet\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u542b\u307e\u308c\u306a\u3044\u306a\u3069\u306e\u5236\u9650\u306f\u3042\u308b<\/p>\n
          deterministic\u306acoder\u306b\u306a\u308a\u3046\u308b<\/p>\n
          \uff08\u306a\u3089\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\uff09
          \nSerializableCoder\u3084MapCoder\u306fdeterministic\u306b\u306a\u3089\u306a\u3044<\/p>\n
          \u786e\u5b9a\u6027\u7684\uff1f<\/h1>\n
          \u8fd9\u662fcoder\u7684\u7279\u6027\uff0c\u5b83\u8868\u660e\u540c\u4e00\u4e2a\u5bf9\u8c61\u53ef\u4ee5\u5728\u4efb\u4f55\u5730\u65b9\u3001\u4efb\u4f55\u65f6\u5019\u5177\u6709\u76f8\u540c\u7684\u7f16\u7801\u3002<\/p>\n
          GroupBy\u548cDynamic Destination\u9700\u8981\u786e\u5b9a\u6027\u7f16\u7801\u5668\u3002<\/p>\n
          AvroCoder\u548c\u786e\u5b9a\u6027\u7684<\/h1>\n
          AvroCoder\u7684\u786e\u5b9a\u6027\u53d6\u51b3\u4e8e\u8981\u5e8f\u5217\u5316\u7684\u7c7b\uff0c\u5e76\u5728\u6b64\u5904\u8fdb\u884c\u5b9a\u4e49\u3002<\/p>\n
          \u5728Avro\u7684\u6570\u636e\u7c7b\u578b\u4e2d\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u4ee5\u4e0b\u7684\u611f\u89c9\u3002<\/p>\n
            \n
          • \n
              deterministic<\/ul>\n<\/li>\n<\/ul>\n
              Avro\u306e\u7d44\u307f\u8fbc\u307f\u578b\uff08boolean,int,long,float,doubles,bytes\uff09
              \nEnum<\/p>\n
              deterministic\u3067\u306a\u3044<\/p>\n
              Fixed\uff08\u56fa\u5b9a\u9577\u306e\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\uff09<\/p>\n
              \u5185\u5bb9\u6b21\u7b2c<\/p>\n
              Map,Record,Array,Union
              \nString\uff08\u203b\uff09<\/p>\n
              \u5728\u4f7f\u7528Java\u548cAvro\u521b\u5efa\u52a8\u6001\u6a21\u5f0f\u65f6\uff0c\u53ef\u4ee5\u5728reflect\u6587\u6863\u4e2d\u627e\u5230Java\u7c7b\u578b\u548cAvro\u7c7b\u578b\u7684\u5bf9\u5e94\u5173\u7cfb\u3002
              \n\u56e0\u4e3a\u5224\u65ad\u5f88\u9ebb\u70e6\uff0c\u6240\u4ee5\u8c03\u7528verifyDeterministic\u65b9\u6cd5\u8fdb\u884c\u786e\u8ba4\u4e5f\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n
              \u203b \u767d\u540d\u5355\u4e2d\u6307\u5b9a\u4e86String\u3001URI\u3001BigDecimal\u7b49\u7c7b\uff0c\u800c\u5176\u4ed6\uff08\u901a\u8fc7Stringable\u6ce8\u89e3\u6307\u5b9a\uff09\u7684\u7c7b\u5219\u4e0d\u786e\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              AvroCoder\u662f\u4ec0\u4e48\uff1f \u4f7f\u7528Avro\u683c\u5f0f\u8fdb\u884c\u6570\u636e\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u662fBeam\u5185\u7f6e\u7684\u7f16\u7801\u5668\u3002 \u6e90\u4ee3\u7801\u5728\u8fd9\u91cc\uff0c […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36522","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5173\u4e8eApache Beam\u7684AvroCoder\u7684\u8ba8\u8bba - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8eapache-beam\u7684avrocoder\u7684\u8ba8\u8bba\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5173\u4e8eApache Beam\u7684AvroCoder\u7684\u8ba8\u8bba\" \/>\n<meta property=\"og:description\" content=\"AvroCoder\u662f\u4ec0\u4e48\uff1f \u4f7f\u7528Avro\u683c\u5f0f\u8fdb\u884c\u6570\u636e\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u662fBeam\u5185\u7f6e\u7684\u7f16\u7801\u5668\u3002 \u6e90\u4ee3\u7801\u5728\u8fd9\u91cc\uff0c […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8eapache-beam\u7684avrocoder\u7684\u8ba8\u8bba\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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