{"id":36215,"date":"2023-06-04T11:16:53","date_gmt":"2023-06-04T02:16:53","guid":{"rendered":"https:\/\/8gfg.shop\/blog\/?p=36215"},"modified":"2023-06-04T11:16:53","modified_gmt":"2023-06-04T02:16:53","slug":"java-design-patterns-handling-requests-with-the-chain-of-responsibility-pattern","status":"publish","type":"post","link":"https:\/\/8gfg.shop\/blog\/development\/java-design-patterns-handling-requests-with-the-chain-of-responsibility-pattern","title":{"rendered":"\uc790\ubc14 \ub514\uc790\uc778 \ud328\ud134: \uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc73c\ub85c \uc694\uccad \ucc98\ub9ac"},"content":{"rendered":"

\uc790\ubc14 \ub514\uc790\uc778 \ud328\ud134 \uc18c\uac1c<\/h1>\n
\uc790\ubc14\ub294 \uac1d\uccb4\uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \uac1d\uccb4\uc9c0\ud5a5 \uc124\uacc4\ub97c \uc704\ud55c \ub514\uc790\uc778 \ud328\ud134\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ub514\uc790\uc778 \ud328\ud134\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c\uc5d0\uc11c \uc790\uc8fc \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uc77c\ubc18\uc801\uc778 \ud574\uacb0\ucc45\uc73c\ub85c, \uc774\uc804\uc5d0 \uac80\uc99d\ub41c \uc124\uacc4 \ubc29\ubc95\uc744 \uc7ac\uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
\ub514\uc790\uc778 \ud328\ud134\uc740 \ud06c\uac8c \uc0dd\uc131 \ud328\ud134, \uad6c\uc870 \ud328\ud134, \ud589\ub3d9 \ud328\ud134\uc73c\ub85c \ubd84\ub958\ub429\ub2c8\ub2e4. \uc0dd\uc131 \ud328\ud134\uc740 \uac1d\uccb4 \uc778\uc2a4\ud134\uc2a4\ub97c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \ud328\ud134\uc785\ub2c8\ub2e4. \uad6c\uc870 \ud328\ud134\uc740 \ud074\ub798\uc2a4\ub4e4\uacfc \uac1d\uccb4\ub4e4\uc744 \uc870\ud569\ud574 \ub354 \ud070 \uad6c\uc870\ub97c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \ud328\ud134\uc785\ub2c8\ub2e4. \ud589\ub3d9 \ud328\ud134\uc740 \uac1d\uccb4\ub4e4\uc774 \uc11c\ub85c \uc0c1\ud638\uc791\uc6a9\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \ud328\ud134\uc785\ub2c8\ub2e4.<\/p>\n
\uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \ud589\ub3d9 \ud328\ud134 \uc911 \uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc758 \uac1c\ub150\uacfc \ud2b9\uc9d5<\/h1>\n

\uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0(Chain of Responsibility) \ud328\ud134\uc740 \uc694\uccad\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac1d\uccb4\ub4e4\uc758 \uc5f0\uacb0\uc744 \ub9cc\ub4e4\uc5b4, \uc694\uccad\uc744 \ubcf4\ub0b4\ub294 \uac1d\uccb4\uc640 \uc694\uccad\uc744 \ucc98\ub9ac\ud560 \uac1d\uccb4\ub4e4\uc744 \ubd84\ub9ac\ud558\ub294 \ud328\ud134\uc785\ub2c8\ub2e4.<\/p>\n

\uc774 \ud328\ud134\uc5d0\uc11c\ub294 \uac1d\uccb4\ub4e4\uc774 \uc5f0\uc1c4\uc801\uc73c\ub85c \uc694\uccad\uc744 \ucc98\ub9ac\ud558\uba70, \uac01 \uac1d\uccb4\ub294 \uc694\uccad\uc744 \ucc98\ub9ac\ud560 \uc218 \uc5c6\uc73c\uba74 \ub2e4\uc74c \uac1d\uccb4\ub85c \uc694\uccad\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774\ub294 \uc694\uccad\uc5d0 \ub300\ud55c \ucc98\ub9ac\ub97c \ub2f4\ub2f9\ud558\ub294 \uac1d\uccb4\ub97c \ub3d9\uc801\uc73c\ub85c \ubcc0\uacbd\ud574\uc57c \ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n

\uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/p>\n

\uac1d\uccb4 \uac04 \uacb0\ud569\ub3c4\ub97c \ub0ae\ucda5\ub2c8\ub2e4.<\/li>\n
\uc694\uccad \ucc98\ub9ac \uac1d\uccb4\ub97c \ub3d9\uc801\uc73c\ub85c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n

\uc694\uccad \ucc98\ub9ac \uac1d\uccb4 \uac04\uc5d0 \ud22c\uba85\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n

\uc790\ubc14\uc5d0\uc11c \uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134 \uad6c\ud604 \ubc29\ubc95<\/h1>\n

\uc790\ubc14\uc5d0\uc11c \uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc744 \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc694\uccad \uac1d\uccb4(Handler)\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc774 \uac1d\uccb4\ub294 \uc694\uccad\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uba54\uc11c\ub4dc\ub97c \uc815\uc758\ud558\uace0, \ub2e4\uc74c \uc694\uccad \ucc98\ub9ac \uac1d\uccb4\ub97c \uc124\uc815\ud558\ub294 \uba54\uc11c\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

public abstract class Handler {\n    protected Handler successor;\n\n    public void setSuccessor(Handler successor) {\n        this.successor = successor;\n    }\n\n    public abstract void handleRequest(Request request);\n}<\/code><\/pre>\n\n\uc694\uccad \uac1d\uccb4\ub97c \uc0c1\uc18d\ubc1b\uc544 \uc2e4\uc81c \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \uac1d\uccb4\ub97c \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\npublic class ConcreteHandlerA extends Handler {\n    @Override\n    public void handleRequest(Request request) {\n        if (request.getType() == RequestType.TYPE_A) {\n            System.out.println(\"Request handled by ConcreteHandlerA\");\n        } else if (successor != null) {\n            successor.handleRequest(request);\n        }\n    }\n}\n\npublic class ConcreteHandlerB extends Handler {\n    @Override\n    public void handleRequest(Request request) {\n        if (request.getType() == RequestType.TYPE_B) {\n            System.out.println(\"Request handled by ConcreteHandlerB\");\n        } else if (successor != null) {\n            successor.handleRequest(request);\n        }\n    }\n}<\/code><\/pre>\n\n\uc694\uccad\uc744 \uc0dd\uc131\ud558\uace0 \uccb4\uc778\uc758 \uc2dc\uc791\uc810\uc5d0 \uc788\ub294 \uc694\uccad \ucc98\ub9ac \uac1d\uccb4\uc5d0 \uc694\uccad\uc744 \ubcf4\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ol>\nHandler handlerA = new ConcreteHandlerA();\nHandler handlerB = new ConcreteHandlerB();\nhandlerA.setSuccessor(handlerB);\n\nRequest requestA = new Request(RequestType.TYPE_A);\nhandlerA.handleRequest(requestA);\n\nRequest requestB = new Request(RequestType.TYPE_B);\nhandlerA.handleRequest(requestB);<\/code><\/pre>\n\uc694\uccad \ucc98\ub9ac\uc5d0\uc11c \uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc758 \ud65c\uc6a9 \uc608\uc2dc<\/h1>\n\uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc740 \uc694\uccad \ucc98\ub9ac\uc5d0\uc11c \ub2e4\uc591\ud55c \uc0c1\ud669\uc5d0\uc11c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc608\ub97c \ub4e4\uc5b4, \uc11c\ubc84\uc5d0\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8\ub85c \uc624\ub294 \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \uacbd\uc6b0, \uc694\uccad\uc744 \ucc98\ub9ac\ud560 \uac1d\uccb4\ub97c \ub3d9\uc801\uc73c\ub85c \ubcc0\uacbd\ud574\uc57c \ud560 \ub54c \uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc11c\ubc84\uc758 \ubd80\ud558\ub97c \ubd84\uc0b0\ud558\uac70\ub098, \uc694\uccad\uc5d0 \ub530\ub978 \ub2e4\uc591\ud55c \ucc98\ub9ac \ubc29\ubc95\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ub610\ud55c, \ub85c\uae45 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub3c4 \uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc744 \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub85c\uadf8 \uc815\ubcf4\ub97c \ucc98\ub9ac\ud558\ub294 \uac1d\uccb4\ub97c \uc5f0\uacb0\ud558\uc5ec, \ub85c\uadf8\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac1d\uccb4\ub97c \uc120\ud0dd\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc740 \uac1d\uccb4 \uac04\uc758 \uacb0\ud569\ub3c4\ub97c \ub0ae\ucd94\uace0, \uac1d\uccb4\ub97c \ub3d9\uc801\uc73c\ub85c \ubcc0\uacbd\ud560 \uc218 \uc788\ub294 \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc694\uccad \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc744 \ubcf4\ub2e4 \uc720\uc5f0\ud558\uac8c \uc124\uacc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
\uccb4\uc778 \uc624\ube0c \ub9ac\uc2a4\ud3f0\uc2dc\ube4c\ub9ac\ud2f0 \ud328\ud134\uc740 \uc790\ubc14 \ub514\uc790\uc778 \ud328\ud134 \uc911 \ud558\ub098\ub85c, \uac01 \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \ub2e4\uc591\ud55c \uac1d\uccb4\ub4e4\uc744 \uc5f0\uacb0\ud558\uc5ec \ucc98\ub9ac\ub97c \ub2f4\ub2f9\ud558\ub294 \ud328\ud134\uc785\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc774 \ud328\ud134\uc744 \uc774\uc6a9\ud558\uc5ec \uc694\uccad \ucc98\ub9ac\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":33704,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1957],"tags":[2675,2677,2188,2563,2584,5925,5979,3414],"class_list":["post-36215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-abstract","tag-chain","tag-public","tag-responsibility","tag-system","tag-5925","tag-5979","tag-3414"],"acf":[],"_links":{"self":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts\/36215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/comments?post=36215"}],"version-history":[{"count":1,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts\/36215\/revisions"}],"predecessor-version":[{"id":36285,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/posts\/36215\/revisions\/36285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/media\/33704"}],"wp:attachment":[{"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/media?parent=36215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/categories?post=36215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/8gfg.shop\/blog\/wp-json\/wp\/v2\/tags?post=36215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}