{"id":202,"date":"2026-03-26T11:25:31","date_gmt":"2026-03-26T11:25:31","guid":{"rendered":"https:\/\/www.go-togaf.com\/vi\/profile-diagrams-vs-class-diagrams-explained\/"},"modified":"2026-03-26T11:25:31","modified_gmt":"2026-03-26T11:25:31","slug":"profile-diagrams-vs-class-diagrams-explained","status":"publish","type":"post","link":"https:\/\/www.go-togaf.com\/vi\/profile-diagrams-vs-class-diagrams-explained\/","title":{"rendered":"B\u00f3c T\u00e1ch Suy Ngh\u0129 Sai L\u1ea7m: T\u1ea1i Sao S\u01a1 \u0110\u1ed3 Profil Kh\u00f4ng Ch\u1ec9 L\u00e0 S\u01a1 \u0110\u1ed3 L\u1edbp \u0110\u01a1n Gi\u1ea3n H\u00f3a"},"content":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. Tuy nhi\u00ean, m\u1ed9t hi\u1ec3u l\u1ea7m dai d\u1eb3ng v\u1eabn t\u1ed3n t\u1ea1i trong c\u1ed9ng \u0111\u1ed3ng v\u1ec1 Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh H\u00f3a \u0110\u01a1n Nh\u1ea5t (UML). Nhi\u1ec1u chuy\u00ean gia coi S\u01a1 \u0111\u1ed3 Profil ch\u1ec9 l\u00e0 phi\u00ean b\u1ea3n nh\u1eb9 h\u01a1n, \u00edt chi ti\u1ebft h\u01a1n c\u1ee7a S\u01a1 \u0111\u1ed3 L\u1edbp. H\u1ecd cho r\u1eb1ng n\u1ebfu S\u01a1 \u0111\u1ed3 L\u1edbp m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac th\u00ec S\u01a1 \u0111\u1ed3 Profil ph\u1ea3i m\u00f4 t\u1ea3 m\u1ed9t phi\u00ean b\u1ea3n \u0111\u01a1n gi\u1ea3n h\u00f3a c\u1ee7a c\u1ea5u tr\u00fac \u0111\u00f3. Quan \u0111i\u1ec3m n\u00e0y l\u00e0 ho\u00e0n to\u00e0n sai l\u1ec7ch v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng l\u1ed7i nghi\u00eam tr\u1ecdng trong thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c.<\/p>\n<p>Hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t b\u00e0i t\u1eadp h\u1ecdc thu\u1eadt; \u0111\u00f3 l\u00e0 y\u00eau c\u1ea7u then ch\u1ed1t \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc, d\u1ec5 m\u1edf r\u1ed9ng. Khi b\u1ea1n nh\u1ea7m l\u1eabn hai kh\u00e1i ni\u1ec7m n\u00e0y, b\u1ea1n c\u00f3 nguy c\u01a1 \u00e1p d\u1ee5ng c\u00e1c r\u00e0ng bu\u1ed9c sai, hi\u1ec3u sai d\u1eef li\u1ec7u m\u00f4 t\u1ea3 m\u00f4 h\u00ecnh, v\u00e0 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u00ednh module m\u00e0 c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt hi\u1ec7n \u0111\u1ea1i \u0111\u00f2i h\u1ecfi. H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e2n t\u00edch k\u1ef9 l\u01b0\u1ee1ng c\u00e1c th\u1ef1c t\u1ebf k\u1ef9 thu\u1eadt v\u1ec1 Profil UML, t\u00e1ch bi\u1ec7t s\u1ef1 th\u1eadt kh\u1ecfi hi\u1ec3u l\u1ea7m m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n<h2>Hi\u1ec3u R\u00f5 Metamodel UML \ud83e\udde9<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u t\u1ea1i sao S\u01a1 \u0111\u1ed3 Profil kh\u00e1c bi\u1ec7t v\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp, ta c\u1ea7n nh\u00ecn s\u00e2u h\u01a1n b\u1ec1 m\u1eb7t c\u1ee7a c\u00fa ph\u00e1p v\u1ebd s\u01a1 \u0111\u1ed3. UML kh\u00f4ng ch\u1ec9 l\u00e0 c\u00f4ng c\u1ee5 v\u1ebd s\u01a1 \u0111\u1ed3; \u0111\u00f3 l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef m\u00f4 t\u1ea3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng metamodel. Metamodel \u0111\u1ecbnh ngh\u0129a c\u00e1c quy t\u1eafc \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh. H\u00e3y h\u00ecnh dung metamodel nh\u01b0 ng\u1eef ph\u00e1p c\u1ee7a m\u1ed9t ng\u00f4n ng\u1eef, c\u00f2n m\u00f4 h\u00ecnh l\u00e0 c\u00e2u v\u0103n.<\/p>\n<ul>\n<li><strong>S\u01a1 \u0111\u1ed3 L\u1edbp<\/strong> ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c \u0111\u1ecbnh ngh\u0129a c\u1ed1t l\u00f5i c\u1ee7a metamodel UML. Ch\u00fang \u0111\u1ecbnh ngh\u0129a c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a l\u1edbp <code>Classifier<\/code> metaclass.<\/li>\n<li><strong>S\u01a1 \u0111\u1ed3 Profil<\/strong> ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp tr\u00ean ch\u00ednh metamodel. Ch\u00fang \u0111\u1ecbnh ngh\u0129a c\u00e1c m\u1edf r\u1ed9ng cho metamodel.<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y mang t\u00ednh c\u1ea5u tr\u00fac. S\u01a1 \u0111\u1ed3 L\u1edbp m\u00f4 t\u1ea3 m\u1ed9t h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng hi\u1ec7n c\u00f3. S\u01a1 \u0111\u1ed3 Profil t\u1ea1o ra c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng m\u1edbi, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c S\u01a1 \u0111\u1ed3 L\u1edbp s\u1eed d\u1ee5ng sau n\u00e0y. B\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u01a1n gi\u1ea3n v\u1ebd m\u1ed9t S\u01a1 \u0111\u1ed3 Profil \u0111\u1ec3 thay th\u1ebf cho S\u01a1 \u0111\u1ed3 L\u1edbp, v\u00ec ch\u00fang ph\u1ee5c v\u1ee5 c\u00e1c t\u1ea7ng kh\u00e1c nhau trong th\u1ee9 b\u1eadc tr\u1eebu t\u01b0\u1ee3ng.<\/p>\n<h2>S\u1ef1 Kh\u00e1c Bi\u1ec7t C\u1ed1t L\u00f5i: M\u1edf R\u1ed9ng So V\u1edbi \u0110\u1ecbnh Ngh\u0129a \ud83d\udd0d<\/h2>\n<p>Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a S\u01a1 \u0111\u1ed3 Profil l\u00e0 t\u00f9y ch\u1ec9nh b\u1ea3n ch\u1ea5t UML cho m\u1ed9t l\u0129nh v\u1ef1c c\u1ee5 th\u1ec3. N\u00f3 cho ph\u00e9p c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 gi\u1edbi thi\u1ec7u c\u00e1c thu\u1eadt ng\u1eef chuy\u00ean ng\u00e0nh m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i chu\u1ea9n UML c\u1ed1t l\u00f5i. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua kh\u00e1i ni\u1ec7m <em>stereotypes<\/em>.<\/p>\n<p>H\u00e3y xem x\u00e9t quy tr\u00ecnh l\u00e0m vi\u1ec7c c\u1ee7a m\u1ed9t S\u01a1 \u0111\u1ed3 L\u1edbp ti\u00eau chu\u1ea9n. B\u1ea1n \u0111\u1ecbnh ngh\u0129a m\u1ed9t l\u1edbp c\u00f3 t\u00ean l\u00e0 <code>Invoice<\/code>. B\u1ea1n \u0111\u1ecbnh ngh\u0129a c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a n\u00f3. \u0110\u00e2y l\u00e0 UML ti\u00eau chu\u1ea9n. B\u00e2y gi\u1edd, h\u00e3y xem x\u00e9t m\u1ed9t l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh n\u01a1i b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u1eb1ng m\u1ed9t <code>Invoice<\/code> l\u00e0 c\u00f3 gi\u00e1 tr\u1ecb ph\u00e1p l\u00fd, c\u00f3 m\u00e3 s\u1ed1 thu\u1ebf v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m to\u00e1n h\u00e0ng n\u0103m. N\u1ebfu b\u1ea1n th\u00eam nh\u1eefng th\u00f4ng tin n\u00e0y nh\u01b0 thu\u1ed9c t\u00ednh, b\u1ea1n \u0111ang tr\u1ed9n l\u1eabn logic l\u0129nh v\u1ef1c v\u1edbi d\u1eef li\u1ec7u c\u1ea5u tr\u00fac.<\/p>\n<p>S\u01a1 \u0111\u1ed3 Profil gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch t\u1ea1o ra m\u1ed9t stereotype g\u1ecdi l\u00e0 <code>&lt;&lt;FinancialDocument&gt;&gt;<\/code>. Stereotype n\u00e0y m\u1edf r\u1ed9ng l\u1edbp <code>Class<\/code> metaclass. N\u00f3 th\u00eam c\u00e1c thu\u1ed9c t\u00ednh (gi\u00e1 tr\u1ecb g\u1eafn th\u1ebb) nh\u01b0 <code>taxID<\/code> v\u00e0 <code>auditRequired<\/code>. Khi b\u1ea1n \u00e1p d\u1ee5ng stereotype n\u00e0y cho <code>H\u00f3a \u0111\u01a1n<\/code> l\u1edbp trong m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp, b\u1ea1n k\u1ebf th\u1eeba nh\u1eefng r\u00e0ng bu\u1ed9c n\u00e0y.<\/p>\n<p>Do \u0111\u00f3:<\/p>\n<ul>\n<li><strong>S\u01a1 \u0111\u1ed3 l\u1edbp<\/strong>: X\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac tri\u1ec3n khai c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>S\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1<\/strong>: X\u00e1c \u0111\u1ecbnh t\u1eeb v\u1ef1ng v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac \u0111\u00f3.<\/li>\n<\/ul>\n<p>Xem m\u1ed9t h\u1ed3 s\u01a1 nh\u01b0 m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u01a1n gi\u1ea3n h\u00f3a s\u1ebd b\u1ecf qua c\u01a1 ch\u1ebf m\u1edf r\u1ed9ng. M\u1ed9t h\u1ed3 s\u01a1 l\u00e0 m\u1ed9t g\u00f3i ch\u1ee9a c\u00e1c \u0111\u1ecbnh ngh\u0129a UML hi\u1ec7n c\u00f3 v\u00e0 m\u1edf r\u1ed9ng ch\u00fang. N\u00f3 kh\u00f4ng thay th\u1ebf ch\u00fang. N\u00f3 b\u1ed5 sung th\u00eam v\u00e0o ch\u00fang.<\/p>\n<h2>So s\u00e1nh c\u1ea5u tr\u00fac gi\u1ea3i ph\u1eabu \ud83d\udcca<\/h2>\n<p>\u0110\u1ec3 tr\u1ef1c quan h\u00f3a s\u1ef1 kh\u00e1c bi\u1ec7t, ch\u00fang ta ph\u1ea3i xem x\u00e9t c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec1n v\u00e0o t\u1eebng s\u01a1 \u0111\u1ed3. M\u1eb7c d\u00f9 c\u1ea3 hai s\u01a1 \u0111\u1ed3 \u0111\u1ec1u s\u1eed d\u1ee5ng h\u1ed9p v\u00e0 \u0111\u01b0\u1eddng k\u1ebb, nh\u01b0ng ng\u1eef ngh\u0129a g\u1eafn v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y kh\u00e1c nhau \u0111\u00e1ng k\u1ec3.<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>S\u01a1 \u0111\u1ed3 l\u1edbp<\/th>\n<th>S\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Y\u1ebfu t\u1ed1 ch\u00ednh<\/strong><\/td>\n<td>L\u1edbp<\/td>\n<td>G\u00f3i h\u1ed3 s\u01a1<\/td>\n<\/tr>\n<tr>\n<td><strong>Lo\u1ea1i m\u1ed1i quan h\u1ec7<\/strong><\/td>\n<td>Li\u00ean k\u1ebft, T\u00edch h\u1ee3p, K\u1ebf th\u1eeba<\/td>\n<td>Nh\u1eadp, M\u1edf r\u1ed9ng, G\u1ed9p<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau si\u00eau l\u1edbp<\/strong><\/td>\n<td>C\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n UML<\/td>\n<td>Si\u00eau l\u1edbp UML (v\u00ed d\u1ee5: L\u1edbp, Li\u00ean k\u1ebft)<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u1ee5c \u0111\u00edch<\/strong><\/td>\n<td>M\u00f4 t\u1ea3 tr\u1ea1ng th\u00e1i h\u1ec7 th\u1ed1ng<\/td>\n<td>M\u00f4 t\u1ea3 quy t\u1eafc m\u00f4 h\u00ecnh h\u00f3a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ea7u ra<\/strong><\/td>\n<td>M\u00e3 ngu\u1ed3n, \u0110\u1eb7c t\u1ea3 tri\u1ec3n khai<\/td>\n<td>T\u1eeb v\u1ef1ng l\u0129nh v\u1ef1c, Quy t\u1eafc x\u00e1c th\u1ef1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>B\u1ea3ng tr\u00ean nh\u1ea5n m\u1ea1nh r\u1eb1ng m\u1eb7c d\u00f9 ch\u00fang c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nhau v\u1ec1 m\u1eb7t tr\u1ef1c quan, nh\u01b0ng logic n\u1ed9i t\u1ea1i c\u1ee7a ch\u00fang l\u1ea1i kh\u00e1c nhau. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp m\u00f4 t\u1ea3<em>h\u1ec7 th\u1ed1ng l\u00e0 g\u00ec<\/em>. S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 m\u00f4 t\u1ea3 <em>c\u00e1ch ch\u00fang ta n\u00f3i v\u1ec1 h\u1ec7 th\u1ed1ng<\/em>.<\/p>\n<h2>S\u1eafc th\u00e1i: Tr\u00e1i tim c\u1ee7a S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 \u2764\ufe0f<\/h2>\n<p>S\u1eafc th\u00e1i l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecbnh ngh\u0129a c\u1ee7a S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u0111i\u1ec3m n\u1ed1i k\u1ebft n\u1ed1i h\u1ed3 s\u01a1 t\u00f9y ch\u1ec9nh c\u1ee7a b\u1ea1n v\u1edbi m\u00f4 h\u00ecnh si\u00eau c\u1ea5p UML chu\u1ea9n. Kh\u00f4ng c\u00f3 s\u1eafc th\u00e1i, S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 ch\u1ec9 l\u00e0 m\u1ed9t g\u00f3i m\u00e0 kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng.<\/p>\n<p>Khi b\u1ea1n \u0111\u1ecbnh ngh\u0129a m\u1ed9t s\u1eafc th\u00e1i, b\u1ea1n th\u1ef1c ch\u1ea5t \u0111ang t\u1ea1o ra m\u1ed9t l\u1edbp con m\u1edbi c\u1ee7a m\u1ed9t l\u1edbp si\u00eau c\u1ea5p UML hi\u1ec7n c\u00f3. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n t\u1ea1o m\u1ed9t s\u1eafc th\u00e1i cho m\u1ed9t b\u1ea3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea1n \u0111ang m\u1edf r\u1ed9ng l\u1edbp <code>L\u1edbp<\/code>l\u1edbp si\u00eau c\u1ea5p. B\u1ea1n \u0111ang n\u00f3i: \u201cX\u1eed l\u00fd l\u1edbp n\u00e0y gi\u1ed1ng h\u1ec7t nh\u01b0 m\u1ed9t L\u1edbp, nh\u01b0ng c\u0169ng ph\u1ea3i tu\u00e2n theo nh\u1eefng quy t\u1eafc c\u1ee5 th\u1ec3 n\u00e0y.\u201d<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong>C\u00e1c s\u1eafc th\u00e1i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh. B\u1ea1n k\u00e9o s\u1eafc th\u00e1i t\u1eeb H\u1ed3 s\u01a1 v\u00e0o m\u1ed9t L\u1edbp trong S\u01a1 \u0111\u1ed3 L\u1edbp.<\/li>\n<li><strong>Hi\u1ec3n th\u1ecb:<\/strong>Trong m\u1ed9t s\u01a1 \u0111\u1ed3, c\u00e1c s\u1eafc th\u00e1i xu\u1ea5t hi\u1ec7n trong d\u1ea5u ngo\u1eb7c k\u00e9p (v\u00ed d\u1ee5, <code>&lt;&lt;Lo\u1ea1i&gt;&gt;<\/code>) \u1edf ph\u00eda tr\u00ean t\u00ean ph\u1ea7n t\u1eed.<\/li>\n<li><strong>R\u00e0ng bu\u1ed9c:<\/strong>C\u00e1c s\u1eafc th\u00e1i c\u00f3 th\u1ec3 mang theo c\u00e1c r\u00e0ng bu\u1ed9c. Nh\u1eefng r\u00e0ng bu\u1ed9c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng OCL (Ng\u00f4n ng\u1eef R\u00e0ng bu\u1ed9c \u0110\u1ed1i t\u01b0\u1ee3ng) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh logic.<\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n coi S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 nh\u01b0 m\u1ed9t S\u01a1 \u0111\u1ed3 L\u1edbp \u0111\u01a1n gi\u1ea3n h\u00f3a, b\u1ea1n c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng v\u1ebd c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c s\u1eafc th\u00e1i nh\u01b0 th\u1ec3 ch\u00fang l\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp. \u0110i\u1ec1u n\u00e0y l\u00e0 kh\u00f4ng h\u1ee3p l\u1ec7. C\u00e1c s\u1eafc th\u00e1i \u0111\u1ecbnh ngh\u0129a thu\u1ed9c t\u00ednh cho c\u00e1c l\u1edbp; ch\u00fang th\u01b0\u1eddng kh\u00f4ng k\u1ebf th\u1eeba l\u1eabn nhau theo ngh\u0129a c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong S\u01a1 \u0111\u1ed3 L\u1edbp.<\/p>\n<h2>R\u00e0ng bu\u1ed9c v\u00e0 Gi\u00e1 tr\u1ecb G\u1eafn th\u1ebb \ud83d\udd12<\/h2>\n<p>S\u01a1 \u0111\u1ed3 L\u1edbp s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh v\u00e0 thao t\u00e1c \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a d\u1eef li\u1ec7u. S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 s\u1eed d\u1ee5ng Gi\u00e1 tr\u1ecb G\u1eafn th\u1ebb v\u00e0 R\u00e0ng bu\u1ed9c. \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t then ch\u1ed1t trong m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u.<\/p>\n<p>M\u1ed9t Gi\u00e1 tr\u1ecb G\u1eafn th\u1ebb trong m\u1ed9t H\u1ed3 s\u01a1 l\u00e0 m\u1ed9t c\u1eb7p kh\u00f3a-gi\u00e1 tr\u1ecb \u00e1p d\u1ee5ng cho ph\u1ea7n t\u1eed m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o. Kh\u00e1c v\u1edbi m\u1ed9t thu\u1ed9c t\u00ednh chu\u1ea9n trong S\u01a1 \u0111\u1ed3 L\u1edbp, v\u1ed1n tr\u1edf th\u00e0nh m\u1ed9t tr\u01b0\u1eddng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c m\u1ed9t th\u00e0nh vi\u00ean trong l\u1edbp, m\u1ed9t Gi\u00e1 tr\u1ecb G\u1eafn th\u1ebb l\u00e0 d\u1eef li\u1ec7u m\u00f4 t\u1ea3. N\u00f3 m\u00f4 t\u1ea3 l\u1edbp, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a tr\u1ea1ng th\u00e1i th\u1eddi gian ch\u1ea1y c\u1ee7a l\u1edbp.<\/p>\n<ul>\n<li><strong>Thu\u1ed9c t\u00ednh:<\/strong>M\u1ed9t ph\u1ea7n c\u1ee7a b\u1ea3n ch\u1ea5t \u0111\u1ed1i t\u01b0\u1ee3ng. <code>public int tu\u1ed5i;<\/code><\/li>\n<li><strong>Gi\u00e1 tr\u1ecb G\u1eafn th\u1ebb:<\/strong>M\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u1ecbnh ngh\u0129a m\u00f4 h\u00ecnh. <code>&lt;&lt;C\u01a1 s\u1edf d\u1eef li\u1ec7u&gt;&gt; b\u1ea3ng = \"Ng\u01b0\u1eddi d\u00f9ng\"<\/code><\/li>\n<\/ul>\n<p>H\u01a1n n\u1eefa, S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 th\u01b0\u1eddng ch\u1ee9a c\u00e1c r\u00e0ng bu\u1ed9c. Nh\u1eefng r\u00e0ng bu\u1ed9c n\u00e0y l\u00e0 c\u00e1c quy t\u1eafc logic ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ecfa m\u00e3n \u0111\u1ec3 m\u00f4 h\u00ecnh h\u1ee3p l\u1ec7. M\u1ed9t S\u01a1 \u0111\u1ed3 L\u1edbp c\u00f3 th\u1ec3 cho th\u1ea5y r\u1eb1ng m\u1ed9t Kh\u00e1ch h\u00e0ng c\u00f3 m\u1ed9t \u0110\u01a1n h\u00e0ng. M\u1ed9t S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 c\u00f3 th\u1ec3 \u0111\u1ecbnh ngh\u0129a r\u1eb1ng m\u1ed9t \u0110\u01a1n h\u00e0ng kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 Kh\u00e1ch h\u00e0ng. \u0110\u00e2y l\u00e0 m\u1ed9t r\u00e0ng bu\u1ed9c v\u1ec1 m\u1ed1i quan h\u1ec7, \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong H\u1ed3 s\u01a1, \u00e1p d\u1ee5ng cho S\u01a1 \u0111\u1ed3 L\u1edbp.<\/p>\n<p>S\u1ef1 nh\u1ea7m l\u1eabn gi\u1eefa ch\u00fang d\u1eabn \u0111\u1ebfn l\u1ed7i th\u1eddi gian ch\u1ea1y. N\u1ebfu b\u1ea1n \u0111\u1ecbnh ngh\u0129a m\u1ed9t Gi\u00e1 tr\u1ecb G\u1eafn th\u1ebb nh\u01b0 m\u1ed9t Thu\u1ed9c t\u00ednh L\u1edbp, tr\u00ecnh sinh m\u00e3 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t tr\u01b0\u1eddng kh\u00f4ng t\u1ed3n t\u1ea1i trong mi\u1ec1n, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i. B\u1ea1n ph\u1ea3i duy tr\u00ec ranh gi\u1edbi gi\u1eefa d\u1eef li\u1ec7u c\u1ea5u tr\u00fac v\u00e0 d\u1eef li\u1ec7u m\u00f4 t\u1ea3 m\u00f4 h\u00ecnh.<\/p>\n<h2>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 \ud83d\udcc5<\/h2>\n<p>X\u00e1c \u0111\u1ecbnh \u0111\u00fang th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 H\u1ed3 s\u01a1 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec ki\u1ebfn tr\u00fac s\u1ea1ch s\u1ebd. B\u1ea1n n\u00ean gi\u1edbi thi\u1ec7u m\u1ed9t H\u1ed3 s\u01a1 khi b\u1ea1n nh\u1eadn th\u1ea5y m\u00ecnh \u0111ang l\u1eb7p l\u1ea1i c\u00f9ng m\u1ed9t t\u1eadp h\u1ee3p thu\u1ed9c t\u00ednh ho\u1eb7c r\u00e0ng bu\u1ed9c tr\u00ean nhi\u1ec1u l\u1edbp.<\/p>\n<ul>\n<li><strong>T\u00ednh c\u1ee5 th\u1ec3 mi\u1ec1n:<\/strong> N\u1ebfu h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t mi\u1ec1n c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: y t\u1ebf, t\u00e0i ch\u00ednh, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5), c\u00e1c thu\u1eadt ng\u1eef UML ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7. M\u1ed9t Profile cho ph\u00e9p b\u1ea1n \u0111\u1ecbnh ngh\u0129a c\u00e1c thu\u1eadt ng\u1eef nh\u01b0 <code>&lt;&lt;B\u1ea3nGhiB\u1ec7nhNh\u00e2n&gt;&gt;<\/code> ho\u1eb7c <code>&lt;&lt;\u0110i\u1ec1uKhi\u1ec3nM\u00e1yBay&gt;&gt;<\/code>.<\/li>\n<li><strong>T\u00edch h\u1ee3p c\u00f4ng c\u1ee5:<\/strong> N\u1ebfu b\u1ea1n \u0111ang t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 b\u00ean ngo\u00e0i mong \u0111\u1ee3i d\u1eef li\u1ec7u m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3, m\u1ed9t Profile \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u m\u00f4 t\u1ea3 \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a tr\u00ean to\u00e0n d\u1ef1 \u00e1n.<\/li>\n<li><strong>Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh:<\/strong> N\u1ebfu b\u1ea1n c\u1ea7n th\u1ef1c thi c\u00e1c quy t\u1eafc c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: nh\u00e3n m\u00e3 h\u00f3a d\u1eef li\u1ec7u), m\u1ed9t Profile \u0111\u1ecbnh ngh\u0129a c\u00e1c quy t\u1eafc n\u00e0y \u1edf trung t\u00e2m thay v\u00ec r\u1ea3i r\u00e1c ch\u00fang tr\u00ean m\u1ecdi l\u1edbp.<\/li>\n<\/ul>\n<p>S\u1eed d\u1ee5ng m\u1ed9t Profile trong c\u00e1c t\u00ecnh hu\u1ed1ng n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u1ebfu c\u00e1c quy t\u1eafc thay \u0111\u1ed5i, b\u1ea1n c\u1eadp nh\u1eadt Profile, v\u00e0 thay \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c lan truy\u1ec1n \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed s\u1eed d\u1ee5ng ki\u1ec3u d\u00e1ng \u0111\u00f3. \u0110\u00e2y ch\u00ednh l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a k\u1ef9 thu\u1eadt k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a. M\u1ed9t s\u01a1 \u0111\u1ed3 L\u1edbp kh\u00f4ng cung c\u1ea5p m\u1ee9c \u0111\u1ed9 qu\u1ea3n l\u00fd t\u1eadp trung n\u00e0y cho c\u00e1c \u0111\u1ecbnh ngh\u0129a c\u1ea5u tr\u00fac.<\/p>\n<h2>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 L\u1edbp \ud83c\udfd7\ufe0f<\/h2>\n<p>Ng\u01b0\u1ee3c l\u1ea1i, s\u01a1 \u0111\u1ed3 L\u1edbp v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 m\u00f4 t\u1ea3 logic h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf. B\u1ea1n s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 L\u1edbp khi c\u1ea7n tr\u1ef1c quan h\u00f3a chi ti\u1ebft tri\u1ec3n khai.<\/p>\n<ul>\n<li><strong>Chi ti\u1ebft tri\u1ec3n khai:<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng th\u1ee9c, thu\u1ed9c t\u00ednh v\u00e0 m\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb (ri\u00eang t\u01b0, c\u00f4ng khai) m\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ebd tri\u1ec3n khai.<\/li>\n<li><strong>M\u1ed1i quan h\u1ec7:<\/strong> Hi\u1ec3n th\u1ecb c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c, \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 t\u00edch h\u1ee3p d\u1eef li\u1ec7u. Bao g\u1ed3m c\u00e1c m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft, ph\u1ee5 thu\u1ed9c v\u00e0 t\u1ed5ng qu\u00e1t h\u00f3a.<\/li>\n<li><strong>Thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i:<\/strong> Hi\u1ec3n th\u1ecb c\u00e1ch d\u1eef li\u1ec7u ch\u1ea3y qua h\u1ec7 th\u1ed1ng. Bao g\u1ed3m v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<p>Kh\u00f4ng s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Profile \u0111\u1ec3 hi\u1ec3n th\u1ecb c\u00e1ch m\u1ed9t <code>Kh\u00e1chH\u00e0ng<\/code> \u0111\u1ed1i t\u01b0\u1ee3ng g\u1ecdi m\u1ed9t <code>\u0110\u01a1nH\u00e0ng<\/code> ph\u01b0\u01a1ng th\u1ee9c. \u0110\u00e2y l\u00e0 m\u1ed1i quan h\u1ec7 c\u1ea5u tr\u00fac thu\u1ed9c v\u1ec1 s\u01a1 \u0111\u1ed3 L\u1edbp ho\u1eb7c s\u01a1 \u0111\u1ed3 Chu\u1ed7i. Profile \u0111\u1ecbnh ngh\u0129a r\u1eb1ng \u0111\u1ed1i t\u01b0\u1ee3ng <code>Kh\u00e1chH\u00e0ng<\/code> c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t <code>&lt;&lt;Ng\u01b0\u1eddiD\u00f9ng\u0110\u00e3X\u00e1cTh\u1ef1c&gt;&gt;<\/code>, nh\u01b0ng s\u01a1 \u0111\u1ed3 L\u1edbp \u0111\u1ecbnh ngh\u0129a m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<\/p>\n<h2>M\u1ed1i quan h\u1ec7 gi\u1eefa Profile v\u00e0 Packages \ud83d\udce6<\/h2>\n<p>Quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u1eb1ng m\u1ed9t Profile v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt l\u00e0 m\u1ed9t Package. Tuy nhi\u00ean, \u0111\u00f3 l\u00e0 m\u1ed9t Package chuy\u00ean bi\u1ec7t v\u1edbi c\u00e1c quy t\u1eafc c\u1ee5 th\u1ec3. M\u1ed9t Package th\u00f4ng th\u01b0\u1eddng nh\u00f3m c\u00e1c ph\u1ea7n t\u1eed \u0111\u1ec3 t\u1ed5 ch\u1ee9c. M\u1ed9t Package Profile m\u1edf r\u1ed9ng metamodel.<\/p>\n<p>Khi b\u1ea1n t\u1ea1o m\u1ed9t Profile, b\u1ea1n \u0111ang t\u1ea1o ra m\u1ed9t kh\u00f4ng gian t\u00ean. B\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp Profile n\u00e0y v\u00e0o c\u00e1c s\u01a1 \u0111\u1ed3 kh\u00e1c. \u0110i\u1ec1u n\u00e0y kh\u00e1c bi\u1ec7t v\u1edbi vi\u1ec7c nh\u1eadp m\u1ed9t Package ti\u00eau chu\u1ea9n. Vi\u1ec7c nh\u1eadp m\u1ed9t Profile s\u1ebd nh\u1eadp c\u00e1c \u0111\u1ecbnh ngh\u0129a v\u1ec1 c\u00e1c ki\u1ec3u d\u00e1ng v\u00e0 r\u00e0ng bu\u1ed9c. Vi\u1ec7c nh\u1eadp m\u1ed9t Package s\u1ebd nh\u1eadp c\u00e1c l\u1edbp v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<p>S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch c\u00e1c m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c h\u1ee3p nh\u1ea5t. N\u1ebfu b\u1ea1n h\u1ee3p nh\u1ea5t hai s\u01a1 \u0111\u1ed3 L\u1edbp, b\u1ea1n \u0111ang k\u1ebft h\u1ee3p c\u00e1c ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng. N\u1ebfu b\u1ea1n h\u1ee3p nh\u1ea5t hai Profile, b\u1ea1n \u0111ang k\u1ebft h\u1ee3p c\u00e1c t\u1eeb v\u1ef1ng. B\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ki\u1ec3u d\u00e1ng kh\u00f4ng m\u00e2u thu\u1eabn. V\u00ed d\u1ee5, b\u1ea1n kh\u00f4ng th\u1ec3 c\u00f3 hai \u0111\u1ecbnh ngh\u0129a kh\u00e1c nhau cho <code>&lt;&lt;D\u1ecbch v\u1ee5&gt;&gt;<\/code> trong c\u00f9ng m\u1ed9t ng\u1eef c\u1ea3nh m\u00f4 h\u00ecnh m\u00e0 kh\u00f4ng gi\u1ea3i quy\u1ebft m\u00e2u thu\u1eabn.<\/p>\n<h2>T\u00ednh t\u01b0\u01a1ng t\u00e1c v\u00e0 chu\u1ea9n h\u00f3a \ud83c\udf10<\/h2>\n<p>M\u1ed9t trong nh\u1eefng l\u00fd do m\u1ea1nh nh\u1ea5t cho vi\u1ec7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Profile l\u00e0 t\u00ednh t\u01b0\u01a1ng t\u00e1c. Trong c\u00e1c h\u1ec7 th\u1ed1ng quy m\u00f4 l\u1edbn, c\u00e1c \u0111\u1ed9i kh\u00e1c nhau c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c nhau. S\u01a1 \u0111\u1ed3 Profile ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t h\u1ee3p \u0111\u1ed3ng gi\u1eefa c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y.<\/p>\n<ul>\n<li><strong>Trao \u0111\u1ed5i chu\u1ea9n:<\/strong> N\u1ebfu \u0110\u1ed9i A s\u1eed d\u1ee5ng C\u00f4ng c\u1ee5 X v\u00e0 \u0110\u1ed9i B s\u1eed d\u1ee5ng C\u00f4ng c\u1ee5 Y, h\u1ecd c\u00f3 th\u1ec3 th\u1ed1ng nh\u1ea5t v\u1ec1 m\u1ed9t Profile. C\u1ea3 hai c\u00f4ng c\u1ee5 \u0111\u1ec1u hi\u1ec3u c\u00e1c ki\u1ec3u d\u00e1ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong Profile.<\/li>\n<li><strong>X\u00e1c th\u1ef1c:<\/strong> C\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c m\u1ed9t s\u01a1 \u0111\u1ed3 L\u1edbp d\u1ef1a tr\u00ean m\u1ed9t Profile. N\u1ebfu m\u1ed9t l\u1edbp thi\u1ebfu ki\u1ec3u d\u00e1ng b\u1eaft bu\u1ed9c, qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c s\u1ebd th\u1ea5t b\u1ea1i tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/li>\n<li><strong>T\u00e0i li\u1ec7u:<\/strong> S\u01a1 \u0111\u1ed3 Profile \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u00e0i li\u1ec7u cho c\u00e1c quy t\u1eafc m\u00f4 h\u00ecnh h\u00f3a. N\u00f3 n\u00f3i v\u1edbi ng\u01b0\u1eddi \u0111\u1ecdc, \u201c\u0110\u00e2y l\u00e0 c\u00e1ch ch\u00fang t\u00f4i m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh,\u201d trong khi s\u01a1 \u0111\u1ed3 L\u1edbp n\u00f3i v\u1edbi ng\u01b0\u1eddi \u0111\u1ecdc, \u201c\u0110\u00e2y l\u00e0 h\u00ecnh d\u1ea1ng h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i.\u201d\n<\/li>\n<\/ul>\n<p>D\u1ef1a ho\u00e0n to\u00e0n v\u00e0o s\u01a1 \u0111\u1ed3 L\u1edbp cho m\u1ee5c \u0111\u00edch n\u00e0y s\u1ebd t\u1ea1o ra s\u1ef1 m\u01a1 h\u1ed3. M\u1ed9t \u0111\u1ed9i c\u00f3 th\u1ec3 hi\u1ec3u m\u1ed1i quan h\u1ec7 l\u00e0 \u201cm\u1ed9t-\u0111\u1ed1i-m\u1ed9t\u201d trong khi \u0111\u1ed9i kh\u00e1c hi\u1ec3u n\u00f3 l\u00e0 \u201cm\u1ed9t-\u0111\u1ed1i-nhi\u1ec1u\u201d. M\u1ed9t Profile c\u00f3 th\u1ec3 \u0111\u1ecbnh ngh\u0129a r\u00e0ng bu\u1ed9c m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, lo\u1ea1i b\u1ecf s\u1ef1 m\u01a1 h\u1ed3.<\/p>\n<h2>Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong thi\u1ebft k\u1ebf m\u00f4 h\u00ecnh \ud83d\udeab<\/h2>\n<p>M\u1eb7c d\u00f9 \u0111\u1ecbnh ngh\u0129a r\u00f5 r\u00e0ng, c\u00e1c chuy\u00ean gia th\u01b0\u1eddng m\u1eafc sai l\u1ea7m khi t\u00edch h\u1ee3p Profile v\u00e0 s\u01a1 \u0111\u1ed3 L\u1edbp. Nh\u1eadn di\u1ec7n nh\u1eefng \u0111i\u1ec3m nguy hi\u1ec3m n\u00e0y gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<ul>\n<li><strong>Qu\u00e1 m\u1ee9c thi\u1ebft k\u1ebf:<\/strong> T\u1ea1o m\u1ed9t Profile cho m\u1ecdi chi ti\u1ebft nh\u1ecf. Profile n\u00ean \u0111\u01b0\u1ee3c d\u00e0nh ri\u00eang cho c\u00e1c kh\u00e1i ni\u1ec7m mi\u1ec1n quan tr\u1ecdng. N\u1ebfu b\u1ea1n t\u1ea1o m\u1ed9t ki\u1ec3u d\u00e1ng cho m\u1ed7i thu\u1ed9c t\u00ednh, m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf n\u00ean l\u1ed9n x\u1ed9n v\u00e0 kh\u00f3 b\u1ea3o tr\u00ec.<\/li>\n<li><strong>B\u1ecf qua r\u00e0ng bu\u1ed9c:<\/strong> \u0110\u1ecbnh ngh\u0129a m\u1ed9t ki\u1ec3u d\u00e1ng nh\u01b0ng qu\u00ean th\u00eam c\u00e1c r\u00e0ng bu\u1ed9c OCL mang l\u1ea1i \u00fd ngh\u0129a cho n\u00f3. M\u1ed9t ki\u1ec3u d\u00e1ng kh\u00f4ng c\u00f3 r\u00e0ng bu\u1ed9c ch\u1ec9 l\u00e0 m\u1ed9t nh\u00e3n.<\/li>\n<li><strong>Tr\u1ed9n l\u1eabn c\u00e1c l\u1edbp:<\/strong> \u0110\u01b0a logic tri\u1ec3n khai (nh\u01b0 k\u00fd hi\u1ec7u ph\u01b0\u01a1ng th\u1ee9c) v\u00e0o m\u1ed9t Profile. Profile d\u00e0nh cho d\u1eef li\u1ec7u m\u00f4 t\u1ea3, kh\u00f4ng ph\u1ea3i tri\u1ec3n khai.<\/li>\n<li><strong>S\u1ef1 l\u1ec7ch phi\u00ean b\u1ea3n:<\/strong> C\u1eadp nh\u1eadt m\u1ed9t Profile m\u00e0 kh\u00f4ng c\u1eadp nh\u1eadt c\u00e1c s\u01a1 \u0111\u1ed3 L\u1edbp ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c m\u00f4 h\u00ecnh b\u1ecb h\u1ecfng, n\u01a1i c\u00e1c ph\u1ea7n t\u1eed tham chi\u1ebfu \u0111\u1ebfn c\u00e1c ki\u1ec3u d\u00e1ng kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i.<\/li>\n<\/ul>\n<p>Y\u00eau c\u1ea7u s\u1ef1 k\u1ef7 lu\u1eadt nghi\u00eam ng\u1eb7t. Profile ph\u1ea3i l\u00e0 ngu\u1ed3n tin c\u1eady cho d\u1eef li\u1ec7u m\u00f4 t\u1ea3, v\u00e0 s\u01a1 \u0111\u1ed3 L\u1edbp ph\u1ea3i l\u00e0 ngu\u1ed3n tin c\u1eady cho c\u1ea5u tr\u00fac.<\/p>\n<h2>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho qu\u1ea3n l\u00fd Profile \u2705<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c n\u1ed7 l\u1ef1c m\u00f4 h\u00ecnh h\u00f3a c\u1ee7a b\u1ea1n hi\u1ec7u qu\u1ea3, h\u00e3y tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh qu\u1ea3n l\u00fd n\u00e0y.<\/p>\n<ul>\n<li><strong>T\u1eadp trung h\u00f3a Profile:<\/strong> Gi\u1eef c\u00e1c s\u01a1 \u0111\u1ed3 Profile c\u1ee7a b\u1ea1n trong m\u1ed9t kho l\u01b0u tr\u1eef trung t\u00e2m. Kh\u00f4ng ph\u00e2n t\u00e1n ch\u00fang qua nhi\u1ec1u th\u01b0 m\u1ee5c tr\u1eeb khi c\u00f3 s\u1ef1 ph\u00e2n t\u00e1ch mi\u1ec1n r\u00f5 r\u00e0ng.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n:<\/strong> Xem c\u00e1c \u0111\u1ecbnh ngh\u0129a Profile nh\u01b0 m\u00e3 ngu\u1ed3n. S\u1eed d\u1ee5ng ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n \u0111\u1ec3 theo d\u00f5i c\u00e1c thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi ki\u1ec3u d\u00e1ng v\u00e0 r\u00e0ng bu\u1ed9c.<\/li>\n<li><strong>T\u00e0i li\u1ec7u:<\/strong>M\u1ed7i ki\u1ec3u d\u00e1ng trong m\u1ed9t Perofile n\u00ean c\u00f3 m\u00f4 t\u1ea3 r\u00f5 r\u00e0ng. Gi\u1ea3i th\u00edch \u00fd ngh\u0129a c\u1ee7a n\u00f3 v\u00e0 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng.<\/li>\n<li><strong>Ki\u1ec3m th\u1eed:<\/strong>Ki\u1ec3m tra c\u00e1c s\u01a1 \u0111\u1ed3 L\u1edbp c\u1ee7a b\u1ea1n \u0111\u1ecbnh k\u1ef3 theo Profile. \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ki\u1ec3u d\u00e1ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00e0 ch\u00ednh x\u00e1c v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng.<\/li>\n<li><strong>\u0110\u01a1n gi\u1ea3n:<\/strong>Gi\u1eef c\u00e1c m\u1edf r\u1ed9ng metamodel \u0111\u01a1n gi\u1ea3n. Tr\u00e1nh c\u00e1c c\u1ea5u tr\u00fac k\u1ebf th\u1eeba s\u00e2u trong c\u00e1c ki\u1ec3u d\u00e1ng tr\u1eeb khi ho\u00e0n to\u00e0n c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<h2>Suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 Ki\u1ebfn tr\u00fac M\u00f4 h\u00ecnh \ud83e\udde0<\/h2>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c s\u01a1 \u0111\u1ed3 Profile v\u00e0 s\u01a1 \u0111\u1ed3 L\u1edbp l\u00e0 v\u1ea5n \u0111\u1ec1 v\u1ec1 k\u1ef7 lu\u1eadt ki\u1ebfn tr\u00fac. S\u01a1 \u0111\u1ed3 L\u1edbp m\u00f4 t\u1ea3 \u0111\u1ecba h\u00ecnh. S\u01a1 \u0111\u1ed3 Profile m\u00f4 t\u1ea3 quy t\u1eafc \u0111\u01b0\u1eddng \u0111i. B\u1ea1n c\u1ea7n c\u1ea3 hai \u0111\u1ec3 di chuy\u1ec3n th\u00e0nh c\u00f4ng.<\/p>\n<p>Khi b\u1ea1n hi\u1ec3u r\u1eb1ng s\u01a1 \u0111\u1ed3 Profile l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf m\u1edf r\u1ed9ng metamodel ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, b\u1ea1n s\u1ebd m\u1edf ra m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n trong thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh. B\u1ea1n chuy\u1ec3n t\u1eeb vi\u1ec7c m\u00f4 t\u1ea3 h\u1ec7 th\u1ed1ng tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o sang vi\u1ec7c \u0111\u1ecbnh ngh\u0129a c\u00e1ch h\u1ec7 th\u1ed1ng n\u00ean \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a. S\u1ef1 thay \u0111\u1ed5i n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 t\u1ed5 ch\u1ee9c n\u00e0o nghi\u00eam t\u00fac v\u1ec1 Ki\u1ebfn tr\u00fac D\u1eabn d\u1eaft b\u1edfi M\u00f4 h\u00ecnh v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng l\u00e2u d\u00e0i.<\/p>\n<p>\u0110\u1eebng nh\u1ea7m l\u1eabn hai th\u1ee9 n\u00e0y. D\u00f9ng s\u01a1 \u0111\u1ed3 L\u1edbp \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac. D\u00f9ng s\u01a1 \u0111\u1ed3 Profile \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a ng\u00f4n ng\u1eef. C\u00f9ng nhau, ch\u00fang t\u1ea1o n\u00ean b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 m\u1ee5c \u0111\u00edch thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. Tuy nhi\u00ean, m\u1ed9t hi\u1ec3u l\u1ea7m dai d\u1eb3ng v\u1eabn t\u1ed3n t\u1ea1i&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 Profile so v\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp: S\u1ef1 th\u1eadt \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch","_yoast_wpseo_metadesc":"H\u1ecdc l\u00fd do t\u1ea1i sao s\u01a1 \u0111\u1ed3 Profile UML m\u1edf r\u1ed9ng metamodel, ch\u1ee9 kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u1ea5u tr\u00fac l\u1edbp. 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