{"id":16,"date":"2011-10-27T15:18:47","date_gmt":"2011-10-27T15:18:47","guid":{"rendered":"http:\/\/hhs1080.hosting.paran.com\/?p=16"},"modified":"2011-10-27T15:18:47","modified_gmt":"2011-10-27T15:18:47","slug":"pojo-plain-old-java-object-%ed%8f%89%eb%b2%94%ed%95%98%ea%b3%a0-%ec%98%a4%eb%9e%98%eb%90%9c-%ec%9e%90%eb%b0%94-%ea%b0%9d%ec%b2%b4","status":"publish","type":"post","link":"https:\/\/blog.goorigo.com\/?p=16","title":{"rendered":"POJO (Plain Old Java Object) \ud3c9\ubc94\ud558\uace0 \uc624\ub798\ub41c \uc790\ubc14 \uac1d\uccb4"},"content":{"rendered":"<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"811\">POJO (Plain Old java Object) \ub97c \ud574\uc11d\ud558\uba74 \ud3c9\ubc94 \uc790\ubc14 \uc624\ube0c\uc81d\ud2b8\ub77c\uace0 \ud55c\ub2e4.<br \/>\nPOJO\ub97c \uc774\ud574 \ud558\uae30 \uc804? POJO\ub77c\ub294 \ub2e8\uc5b4\uac00 \ub9cc\ub4e4\uc5b4\uc9c4 \uc5ed\uc0ac\uc801 \ubc30\uacbd\uc744 \uc0b4\ud3b4\ubcfc \ud544\uc694\uac00 \uc787\ub2e4.?POJO\ub294 \ub9c8\ud2f4 \ud30c\uc6b8\ub7ec\uac00? 2000\ub144 \uac00\uc744\uc5d0 \uc5f4\ub838\ub358 \uc5b4\ub290 \ucee8\ud37c\ub7f0\uc2a4\uc758 \ubc1c\ud45c\ub97c \uc900\ube44\ud558\uba74\uc11c \ucc98\uc74c \ub9cc\ub4e4\uc5b4\ub0b8 \ub9d0\uc774\ub2e4. \ub9c8\ud2f4 \ud30c\uc6b8\ub7ec\ub294EJB(Enterprise JavaBean)\ubcf4\ub2e4\ub294 \ub2e8\uc21c\ud55c \uc790\ubc14 \uc624\ube0c\uc81d\ud2b8\uc5d0 \ub3c4\uba54\uc778 \ub85c\uc9c1\uc744 \ub123\uc5b4 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc5ec\ub7ec\uac00\uc9c0 \uc7a5\uc810\uc774\uc788\ub294\ub370\ub3c4 \uc65c \uc0ac\ub78c\ub4e4\uc774 \uadf8 EJB\uac00 \uc544\ub2cc &#8216;\ud3c9\ubc94\ud55c\uc790\ubc14 \uc624\ube0c\uc81d\ud2b8&#8217;\ub97c \uc0ac\uc6a9\ud558\uae30\ub97c \uaebc\ub824 \ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \uc758\ubb38\uc744 \uac00\uc84c\ub2e4. \uadf8\ub9ac\uace0 \uadf8\ub294 \ub2e8\uc21c\ud55c \uc624\ube0c\uc81d\ud2b8\uc5d0\ub294 EJB\uc640 \uac19\uc740 \uadf8\ub7f4\ub4ef\ud55c \uc774\ub984\uc774 \uc5c6\uc5b4\uc5b4\uc11c \uadf8 \uc0ac\uc6a9\uc744 \uc8fc\uc800\ud558\ub294 \uac83\uc774\ub77c\uace0 \uacb0\ub860 \ub0b4\ub838\ub2e4.<br \/>\n\uadf8\ub798\uc11c \ub9cc\ub4e0 \ub2e8\uc5b4\uac00 POJO\ub77c\ub294 \uc6a9\uc5b4\uc778 \uac83\uc774\ub2e4. POJO\uae30\ubc18\uc758 \uae30\uc220\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uace0 \ub9d0\ud558\uba74 \uc660\uc9c0 \ucca8\ub2e8 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\ub294 \uc55e\uc120 \uac1c\ubc1c\uc790\uc778 \ub4ef\ud55c \uc778\uc0c1\uc744 \uc8fc\uae30 \ub54c\ubb38\uc778\ub2e4.<\/p>\n<p>POJO\uae30\ubc18\uc758 \ud504\ub85c\uadf8\ub798\ubc0d \uae30\uc220\uc774 EJB\uc758 \uac15\ub825\ud55c \ub300\uc548\uc73c\ub85c \ub4f1\uc7a5\ud588\uace0 ,POJO \uae30\ubc18 \ud504\ub808\uc784\uc6cc\ud06c ,POJO \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c \ud50c\ub7ab\ud3fc \ub4f1\uc774\uc810\uc810 \uc778\uae30\ub97c \ub04c\uac8c \ub418\uc5c8\uace0, \uacb0\uad6d POJO\uac00 \ubc30\uc81c\ud558\ub824\uace0 \ud588\ub358 EJB\ub294 POJO\uae30\ubc18\uc758 \uae30\uc220\uc5d0 \ubc00\ub824 \uc774\uc81c \ub808\uac70\uc2dc \uae30\uc220\ub85c \uc0ac\ub77c\uc9c8 \uc704\uae30\uc5d0\ucc98\ud588\ub2e4. \uadf8\ub807\ub2e4\uba74 \ub2e8\uc9c0 EJB\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc73c\uba74 \ubaa8\ub450 POJO\ub77c\uace0 \ud560 \uc218 \uc788\uc744\uae4c? \uadf8\ub807\uc9c0 \uc54a\ub2e4. POJO\ud504\ub85c\uadf8\ub798\ubc0d\uc774\ub77c\ub294 \uac1c\ub150\uc740\ub2e8\uc9c0 &#8220;EJB\uac00 \uc544\ub2cc \uc790\ubc14&#8221;\uc774\uc0c1\uc758 \ud2b9\uc9d5\uc744 \uac00\uc9c0\uace0 \uc788\ub294?\ud504\ub85c\uadf8\ub798\ubc0d \ubaa8\ub378\uc774\ub2e4. POJO\uae30\ubc18\uc758 \uac1c\ubc1c\uc740 \uc0dd\uac01\ubcf4\ub2e4 \ub2e8\uc21c\ud558\uc9c0 \uc54a\ub2e4.<br \/>\nPOJO\ub97c \uc880\ub354 \uc774\ud574\ud558\ub824\uba74 EJB\uc758 \uc7a5\ub2e8\uc810\uc744 \ud568\uaed8 \uc774\ud574\ud574\uc57c \ud55c\ub2e4. \uadf8\uac83\uc740 POJO \ud504\ub85c\uadf8\ub798\ubc0d\uc774 \ub2e4\uc2dc EJB\uc2dc\ub300\uc774\uc804\uc73c\ub85c \ub3cc\uc544 \uac00\uc790\ub294 \uac83\uc774 \uc544\ub2c8\uace0 ,EJB\ub97c \ub118\uc5b4 \uadf8\ubcf4\ub2e4 \ub354 \uc55e\uc73c\ub85c \ub098\uc544\uac00\uc790\ub294 \uac83\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<br \/>\nEJB\ub97c \uc0ac\uc6a9\ud558\uc9c0 \ub9d0\uace0 POJO\ub97c \uc4f0\uc790\ub294 \uac83\uc740? EJB\uc774\uc804\uc758 \ubc29\uc2dd\uc73c\ub85c \ub3cc\uc544 \uac00\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4\uba74 \ub610 \ub2e4\ub978 \ubb38\uc81c\uac00 \ubc1c\uc0dd \ud560 \uc218 \ubc16\uc5d0\uc5c6\ub2e4. \uc5ec\uc804\ud788 \ubcf5\uc7a1\ud55c \ub85c\uc6b0\ub808\ubca8\uc758 API\ub97c \uc774\uc6a9\ud574 \ucf54\ub4dc\ub97c \uc791\uc131\ud574\uc57c \ud558\uace0, \ub9ce\uc740 \uae30\uc220\uc801\uc778 \ubb38\uc81c\ub97c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ucf54\ub4dc\uc5d0 \uadf8\ub300\ub85c \ub178\ucd9c\uc2dc\ucf1c\uac1c\ubc1c\ud574\uc57c \ud55c\ub2e4\uba74 \uae30\uaecf POJO\ub85c\uc758 \ubcf5\uadc0 \ub355\ubd84\uc5d0 \uc5bb\ub294 \ub9ce\uc740 \uc7a5\uc810\ub4e4\uc744 \ub193\uce60 \uc218 \ubc16\uc5d0 \uc5c6\ub2e4.<\/p>\n<p>\uadf8\ub798\uc11c \ub4f1\uc7a5\ud55c \uac83\uc774 POJO \uae30\ubc18\uc758 \ud504\ub808\uc784\uc6cc\ud06c\uc774\ub2e4.?POJO\ud504\ub808\uc784\uc6cc\ud06c\ub294 POJO\ub97c \uc774\uc6a9\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc774 \uac00\uc9c4 \ud2b9\uc9d5\uacfc \uc7a5\uc810\uc744 \uadf8\ub300\ub85c \uc0b4\ub9ac\uba74\uc11c EJB\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc11c\ube44\uc2a4\uc640 \uae30\uc220\uc744 \uadf8\ub300\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc8fc\ub290 \ud504\ub808\uc784\uc6cc\ud06c\uc774\ub2e4. \ub098\uc544\uac00 \uc774\ub294 \uae30\uc874\uc758 EJB\uc5d0\uc11c\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \uc138\ub828\ub418\uace0 \ub098\uc740 \ubc29\ubc95\uc774\ub2e4. \ub370\ud45c\uc801\uc778 \ud504\ub808\uc784\uc6e4 \uc2a4\ud504\ub9c1 \ud558\uc774\ubc84\ub124\uc774\ud2b8~!<\/p>\n<p>\ucc38\uace0\ub85c \uc2a4\ud504\ub9c1\uc740 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc11c\ube44\uc2a4\ub4e4\uc744 POJO\uae30\ubc18\uc73c\ub85c \ub9cc\ub4e0 \ube44\uc9c0\ub2c8\uc2a4 \uc624\ube0c\uc81d\ud2b8\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uac8c \ud55c\ub2e4. \ub300\ud45c\uc801\uc778 \uc120\uc5b8\uc801\uc778\ud2b8\ub79c\uc7ad\uc158 \uc11c\ube44\uc2a4\uc640 \ubcf4\uc548\uc774\ub2e4. \ub610\ud55c EJB\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc624\ube0c\uc81d\ud2b8 \ucee8\ud14c\uc774\ub108\ub97c \uc81c\uacf5\ud574\uc11c \uc778\uc2a4\ud134\uc2a4\uc758 \ub77c\uc774\ud504\uc0ac\uc774\ud074\uc744 \uacfc\ub9ac\ud558\uace0 \ud544\uc694\uc5d0 \ub530\ub974\uc2a4\ub808\ub529, \ud480\ub9c1 \ubc0f \uc11c\ube44\uc2a4 \uc778\uc81d\uc158 \ub4f1\uc758 \uae30\ub2a5\uc744 \uc81c\uacf5\ud55c\ub2e4. \ub610\ud55c OOP\ub97c \ub354? OOP\ub2f5\uac8c \uc0ac\uc6a9 \ud560 \uc218\uc788\uac8c \ud558\ub294 AOP\uae30\uc220\uc744 \uc801\uc6a9\ud574\uc11cPOJO\uac1c\ubc1c\uc744 \ub354 \uc27d\uac8c \ub9cc\ub4e0\ub2e4.<\/p>\n<p>POJO\ud504\ub85c\uadf8\ub7a8\uc758 \uc9c4\uc815\ud55c \uac00\uce58\ub294 \uc790\ubc14\uc758 \uac1d\uccb4\uc9c0\ud5a5\uc801\uc778 \ud2b9\uc9d5\uc744 \uc0b4\ub824 \ube44\uc9c0\ub2c8\uc2a4 \ub85c\uc9c1\uc5d0 \ucda9\uc2e4\ud55c \uac1c\ubc1c\uc774 \uac00\ub2a5 \ud558\ub3c4\ub85d \ud558\ub294\uac83\uc774\uae30\ub3c4 \ud558\ub2e4.<\/p>\n<p>\ub0b4\uc0dd\uac01\uc744 \uc801\uc790\uba74<br \/>\n\ud3c9\ubc94\ud55c \uc790\ubc14 \uac1d\uccb4\ub85c \ud504\ub85c\uadf8\ub798\ubc0d \ud558\uae30\ub77c\uace0 \ubd80\ub974\uba70, \uce68\ub7b5\uc801\uc778 \ucf54\ub4dc\ub97c \uc801\uc9c0 \uc54a\uc740 \uac83\uc774\ub2e4.<br \/>\n\uc27d\uac8c \ub9d0\ud574 implement \uc640 extends\ub97c \uc0ac\uc6a9 \ud558\uc9c0 \uc54a\uc73c\uba70<br \/>\n\ucf64\ud3ec\uc9c0\uc158\uacfc \uc778\ud130\ud398\uc774\uc2a4\ud0c0\uc785\uc73c\ub85c \ud504\ub85c\uadf8\ub798\ubc0d \ud558\ub294\uac83(\uc774\uac74 \ub808\ub514 \uc874\uc2a8)<\/p>\n<p>\ud2b9\uc815 \ud074\ub798\uc2a4\uc758 concrete class\uac00 \ub418\uba74 \uc548\ub418\uace0, \uad6c\ud604 \uccb4\ub3c4 \ub418\uba74 \uc548\ub41c\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>POJO (Plain Old java Object) \ub97c \ud574\uc11d\ud558\uba74 \ud3c9\ubc94 \uc790\ubc14 \uc624\ube0c\uc81d\ud2b8\ub77c\uace0 \ud55c\ub2e4. POJO\ub97c \uc774\ud574 \ud558\uae30 \uc804? POJO\ub77c\ub294 \ub2e8\uc5b4\uac00 \ub9cc\ub4e4\uc5b4\uc9c4 \uc5ed\uc0ac\uc801 \ubc30\uacbd\uc744 \uc0b4\ud3b4\ubcfc \ud544\uc694\uac00 \uc787\ub2e4.?POJO\ub294 \ub9c8\ud2f4 \ud30c\uc6b8\ub7ec\uac00? 2000\ub144 \uac00\uc744\uc5d0 \uc5f4\ub838\ub358 \uc5b4\ub290 \ucee8\ud37c\ub7f0\uc2a4\uc758&hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/posts\/16"}],"collection":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16"}],"version-history":[{"count":0,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=\/wp\/v2\/posts\/16\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.goorigo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}