{"id":1297,"date":"2006-02-21T13:18:15","date_gmt":"2006-02-21T05:18:15","guid":{"rendered":"http:\/\/ihower.idv.tw\/blog\/archives\/1297"},"modified":"2006-02-21T13:56:07","modified_gmt":"2006-02-21T05:56:07","slug":"peaa-organizing-domain-logic","status":"publish","type":"post","link":"https:\/\/ihower.tw\/blog\/1297-peaa-organizing-domain-logic","title":{"rendered":"P of EAA : Organizing Domain Logic"},"content":{"rendered":"<p>\u90a3\u5982\u4f55\u7d44\u7e54 domain logic \u5462?\u4f5c\u8005\u63d0\u4f9b\u4e09\u500b\u7bc4\u5f0f\uff0c Transaction Script, Domain Model \u8ddf Table Module\u3002<!--more--><\/p>\n<p><strong><a href=\"http:\/\/martinfowler.com\/eaaCatalog\/transactionScript.html\">Transaction Script<\/a><\/strong><\/p>\n<p>\u5c31\u662f\u5f9e presentation \u62ff\u5230 input \u5f8c\uff0c\u76f4\u63a5\u8655\u7406\u8ddf\u5132\u5b58\u8cc7\u6599\uff0c\u7136\u5f8c\u56de\u61c9\u7d66 presentation\u3002\u57fa\u672c\u4e0a\u7684\u7d50\u69cb\u5c31\u662f\u5c0d\u6bcf\u500b\u52d5\u4f5c\u505a procedure \uff0c\u5c31\u50cf script \u4e00\u6a23\u3002\u624b\u6cd5\u4e0a\u5247\u6703\u6709\u4e00\u5806 function (subroutine) \u51fa\u4f86\u3002<\/p>\n<p>\u512a\u9ede\u662f 1.\u7c21\u55ae\u6613\u61c2 2.\u642d\u914d\u7c21\u55ae\u7684 data souce layer \u5f88ok\uff0c\u5982 <a href=\"http:\/\/martinfowler.com\/eaaCatalog\/rowDataGateway.html\">Row\u00a0 Data Gateway<\/a> or <a href=\"http:\/\/martinfowler.com\/eaaCatalog\/tableDataGateway.html\">Table Data Gateway<\/a>\u00a0 3. \u53ef\u4ee5\u5f88\u660e\u78ba\u7684\u5b9a\u7fa9\u8cc7\u6599\u5eab transaction \u7684\u958b\u59cb\u8ddf\u7d50\u675f<\/p>\n<p>\u7f3a\u9ede\u662f\u96a8\u8457 domain logic \u7684\u8907\u96dc\uff0c\u91cd\u8907\u7684code\u6703\u8d8a\u4f86\u8d8a\u591a\u3002\u96d6\u7136\u53ef\u4ee5\u8a66\u8457\u7528 subroutine \u628a\u91cd\u8907\u7684code\u62c9\u51fa\uff0c\u4f46\u662f\u4ecd\u6703\u9020\u6210\u7d50\u69cb\u4e0a\u7684\u8907\u96dc\u3002<\/p>\n<p><strong><a href=\"http:\/\/martinfowler.com\/eaaCatalog\/domainModel.html\">Domain Model<\/a><\/strong><\/p>\n<p>\u8907\u96dc\u7684\u908f\u8f2f\u5c31\u8981\u7528\u7269\u4ef6\u5c0e\u5411\u7684 object model \u4f86\u8655\u7406\uff0c\u628a\u884c\u70ba\u8ddf\u8cc7\u6599\u90fd\u653e\u7269\u4ef6\u4e2d\u3002\u512a\u9ede\u662f\u6709\u5f88\u591aOO\u6280\u5de7\u53ef\u4ee5\u4f86\u7d44\u7e54\u597d(design pattern)\uff0c\u5982\u4f60\u5728 transaction script \u7528\u5f88\u591a\u689d\u4ef6\u53e5\u7684code\uff0c\u5728\u9019\u88e1\u4f60\u53ef\u4ee5\u73a9 strategy pattern \u7b49\u3002\u7f3a\u9ede\u662f 1.\u8f03\u96e3\u4e9b(\u4f60\u5f97\u5148OOA\u5206\u6790\u51fa\u6709\u54ea\u4e9b\u7269\u4ef6) 2.\u00a0data source layer \u8b8a\u8907\u96dc\uff0c\u4f60\u5f97\u8655\u7406 object \u8ddf relational database \u7684\u5c0d\u61c9\u554f\u984c(\u4e0b\u4e00\u7ae0\u7684\u8b70\u984c)\u3002<\/p>\n<p><strong><a href=\"http:\/\/martinfowler.com\/eaaCatalog\/tableModule.html\">Table Module<\/a><\/strong><\/p>\n<p>\u4ecb\u65bc\u4e0a\u8ff0\u5169\u500b\u4e4b\u9593\uff0c\u7528 object \u4f86\u8655\u7406\u4e00\u5f35 \u8cc7\u6599\u5eab table \u7684 domain logic\u3002\u7f3a\u9ede\u662f\u6c92\u8fa6\u6cd5\u7528\u5f88\u591a doamin model \u7684\u7a2e\u7a2eOO\u6280\u5de7\u3002\u512a\u9ede\u662f\u5728 <a href=\"http:\/\/martinfowler.com\/eaaCatalog\/recordSet.html\">Record Set<\/a> (\u628aSQL\u67e5\u8a62\u7684\u7d50\u679c\u7d44\u7e54\u6210 record set) \u7684\u74b0\u5883\u5b83\u5f88\u9069\u5408\u3002<\/p>\n<p><strong>\u5982\u4f55\u505a\u9078\u64c7?<\/strong><\/p>\n<p>\u4f5c\u8005\u5217\u4e86\u4e00\u5f35\u5716\u5982\u4e0b\uff0c\u57fa\u672c\u4e0a\u5efa\u8b70\u7528 Domain Model \u56c9\uff0c\u5c24\u5176\u662f\u5982\u679c\u6709\u597d\u7684 team\u3002\u5982\u679c\u662f Record Set \u7684\u74b0\u5883\uff0c\u4e5f\u53ef\u4ee5\u8003\u616e Table Module\u3002\u53e6\u5916\u9019\u4e09\u7a2e\u7bc4\u5f0f\u662f\u4e0d\u885d\u7a81\u7684\uff0c\u4f60\u4e5f\u53ef\u4ee5\u5728\u4e0d\u540c\u90e8\u5206\u63a1\u7528\u4e0d\u540c\u7684\u7bc4\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" id=\"image1307\" title=\"complexity\" alt=\"complexity\" src=\"http:\/\/ihower.idv.tw\/blog\/wp-content\/uploads\/2006\/02\/j.jpg\" \/><\/p>\n<p>\u00a0<\/p>\n<p><strong><a href=\"http:\/\/martinfowler.com\/eaaCatalog\/serviceLayer.html\">Service Layer<\/a><\/strong><\/p>\n<p>\u53e6\u4e00\u500b\u5e38\u898b\u7684\u624b\u6cd5\u662f\u628a domain layer \u62c6\u6210\u5169\u90e8\u4efd\uff0c\u65b0\u589e\u4e00\u500b service layer \u5728 domain model \u6216 table module \u4e0a\u3002\u800c presentation \u8981\u8ddf domain \u4e92\u52d5\u5c31\u662f\u8ddf service layer \u4e92\u52d5\uff0c\u5b83\u4ee3\u8868\u9019\u500b <strong>\u61c9\u7528\u7a0b\u5f0f\u7684 API<\/strong>\u3002\u512a\u9ede\u662f\u52a0\u5165\u4e86 transaction control \u8ddf security \u7684\u7279\u9ede\u3002\u800c\u4e14\u7528 API \u4f86\u770b\uff0c\u4e5f\u5bb9\u6613\u8ddf use case \u914d\u5408\u3002\u7f3a\u9ede\u662f\u4e00\u4f46\u4f60\u7528\u592a\u591a\uff0c\u53cd\u800c\u8b8a\u56de transaction script \u4e86\u3002\u9019\u88e1\u4f60\u53ef\u4ee5\u770b\u5230\u4f5c\u8005\u7684\u53e6\u4e00\u7bc7 <a href=\"http:\/\/140.109.17.94\/Patterns\/anemic_domain_model.htm\">\u71df\u990a\u4e0d\u826f\u7684\u9818\u57df\u6a21\u578b<\/a> \u6b63\u662f\u89e3\u91cb\u9019\u500b\u60c5\u6cc1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u90a3\u5982\u4f55\u7d44\u7e54 domain logic \u5462?\u4f5c\u8005\u63d0\u4f9b\u4e09\u500b\u7bc4\u5f0f\uff0c Transaction Script, Doma &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/ihower.tw\/blog\/1297-peaa-organizing-domain-logic\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008P of EAA : Organizing Domain Logic\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[9,5],"tags":[],"class_list":["post-1297","post","type-post","status-publish","format-standard","hentry","category-books","category-programming","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1q6tG-kV","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/1297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/comments?post=1297"}],"version-history":[{"count":0,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/1297\/revisions"}],"wp:attachment":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/media?parent=1297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/categories?post=1297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/tags?post=1297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}