锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#26085;&#38889;&#20122;&#27954;&#32724;&#30000;&#21315;&#37324;&#22312;&#32447;&#44;&#20122;&#27954;&#20016;&#28385;&#29087;&#22899;&#19968;&#21306;&#20108;&#21306;&#21734;&#44;&#20122;&#27954;&#25104;&#24180;&#20154;&#21834;&#21834;&#97;&#97;&#22312;&#32447;&#35266;&#30475;</title><link>http://m.tkk7.com/leslie/category/1855.html</link><description>Not ready yet</description><language>zh-cn</language><lastBuildDate>Fri, 02 Mar 2007 06:52:38 GMT</lastBuildDate><pubDate>Fri, 02 Mar 2007 06:52:38 GMT</pubDate><ttl>60</ttl><item><title>OR Mapping(hibnerate)涓嬬殑Performance闂</title><link>http://m.tkk7.com/Leslie/archive/2005/06/26/6715.html</link><dc:creator>Salomon</dc:creator><author>Salomon</author><pubDate>Sun, 26 Jun 2005 04:18:00 GMT</pubDate><guid>http://m.tkk7.com/Leslie/archive/2005/06/26/6715.html</guid><wfw:comment>http://m.tkk7.com/Leslie/comments/6715.html</wfw:comment><comments>http://m.tkk7.com/Leslie/archive/2005/06/26/6715.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/Leslie/comments/commentRss/6715.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/Leslie/services/trackbacks/6715.html</trackback:ping><description><![CDATA[<P>鍏跺疄鏍囬璧風殑澶ぇ錛?FONT face=Arial>anyway, 瀹炲湪鏄壘涓嶅埌鍚堥�傜殑棰樼洰銆?BR><BR>鍦∣nV欏圭洰宸茬粡浣滀簡1騫村浜嗭紝鏈変簺鎰熻Е錛屽啓涓嬫潵浠ュ浠ュ悗鏁寸悊涔嬬敤銆?BR>濂芥涓嶆璐熻矗Report榪欓噷錛岄�昏緫鏃㈠鏉傦紝Performance鐨勮姹傚張闈炲父涔嬮珮錛屼笌閫氬父easy to code鐨凧2EE鍏朵粬妯″潡鏈夊緢澶х殑涓嶅悓銆?BR><BR>欏圭洰鎶�鏈儗鏅細<BR><STRONG>OR Mapping Tool:</STRONG><BR>Hibernate 2.0<BR><STRONG>Web tier:</STRONG><BR>Struts 1.2<BR>Report Tool:<BR><STRONG>Jasper Reports</STRONG><BR><BR>鏋勬灦娌′粈涔堝ソ璇寸殑錛屽敮涓�鐗規畩鐨勬槸鐢變簬闇�姹傜殑鍏崇郴錛屾槸multiple database (features and users涓や釜dimensions涓婄殑multiple)<BR><BR>鍑犵偣閲嶈鐨勭粡楠屾暀璁細<BR>1. Model Design涓�瀹氳濂斤紝欏圭洰涔嬪垵鐢變簬澶у閮芥瘮杈冪己涔忕粡楠岋紝灝ゅ叾鏄竴浜汳odel鐢卞垰姣曚笟鐨刦resh people鏉ュ仛錛屽疄鍦ㄥ悗鏋滀笉鍫鎯熾�?BR>榪欓噷鍏跺疄寰堟帹鑽怣artin鐨勯偅鏈琂2EE浼佷笟鏋勬灦鐨勪功錛屼篃灝辨槸璇碠R Mapping鐨勪竴浜涙寚瀵煎師鍒欍�?BR>key point錛歭azy loading寰堥噸瑕侊紱model涔嬮棿鐨勫叧鑱斿敖鍙兘鏄弻鍚戯紝鍗充究鐢變簬鏈変簺鍘熷洜涓嶈兘澧炲姞Hibernate璇硶涓婄殑association錛圤bject A涓湁Object B浣滀負灞炴�э級錛岄偅涔堟渶濂戒篃瑕佹湁Objecd A涓湁涓�涓狾bjectBId錛屼絾鐩稿叧鑱斿皢緇檘uery 甯︽潵寰堝ぇ楹葷儲銆?渚嬪錛氬鏋滈渶姹傛湁鏍規嵁B鐨処D array鍘繪煡璇錛岄偅涔堟病鏈夎繖縐嶅叧緋伙紝鍒欏繀欏諱粠Object B鍏ユ墜鏌ヨA錛岃繖灝遍�犳垚unnecessary鐨?涓〃join 鏌ヨ錛屽緢鑰楄垂璧勬簮銆?BR>2. 灝藉彲鑳藉湴Batch鎿嶄綔錛屼緥濡侭atch save鍜宭oop save鐨勬搷浣滐紝鎬ц兘涓婂ぉ宸湴鍒�?BR>3. 鍦ㄧ被浼糝eport鐨凲uery(鎰忔寚鏌ヨ鏉′歡澶嶆潅錛屾暟鎹噺澶?錛?STRONG>鏄笉搴斿綋綺楃矑搴︽搷浣滅殑</STRONG>銆備竴鐩磋寰桱2EE鐨勪竴涓壒鐐瑰氨鏄紝綆�鍖杁evelopers鐨勫伐浣滐紝闈㈠悜瀵硅薄錛屽茍涓旂矖綺掑害銆備絾鏄湪榪欑鎬ц川鐨勬煡璇㈤噷錛屽鏋滅矖綺掑害錛岀粨鏋滃氨浼氬鑷存�ц兘鐨勭伨闅俱�傚叾瀹炶繖涓槸鑰佽皟閲嶅脊錛?002騫村乏鍙蟲垜璁板緱CSDN涓婂氨鏈変漢鍦ㄨ療鐥匤2EE璇存�ц兘濡備綍鐨勫樊銆傚叾瀹炲叧閿槸developers鏄惁浼拌鍒癠se scenario瀵圭矑搴︾殑褰卞搷銆傜畝鍖杁evelopers鐨勫伐浣滄槸鏈夐檺搴︾殑錛孫R mapping鐨勫伐浣滀篃騫朵笉鏄負浜嗕嬌娌℃湁緇忛獙涓鐢熷氨鑳藉寰堝鏄撶殑鍐欏嚭濂界殑Enterprise application銆傚叾瀹炴暟鎹洿鏂頒篃鏈夌被浼肩殑闂錛屼緥濡傛棤娉晆pdate specific 鐨刟ttribute鑰屼笉寰椾笉鏇存柊鏁翠釜Object錛岃繖涓椂鍊欐�ц兘鐨勫樊寮傚氨浼氫綋鐜板嚭鏉ワ紝鍙笉榪囧ぇ澶氭暟鎯呭喌涓嬶紝Object涓嶄細澶у埌璁╀漢鏃犳硶鎺ュ彈錛屼篃涓嶄細鍍廟eport query閭ｆ牱request澶ч噺鐨勬暟鎹紝鎵�浠ヨ繖鏂歸潰鎬ц兘鐨勫獎鍝嶏紝鍦?STRONG>涓�浜?/STRONG>緋葷粺涓笉浼氫綋鐜板嚭鏉ャ�?BR><STRONG>鍚堢悊鍒掑垎Query鐨刧roup錛岀湡瀹炵殑鐩殑鏄噺灝戜竴嬈℃煡璇腑Join琛ㄧ殑涓暟銆侶ibernate2鐨勭己闄蜂篃鍙互鏈夋墍瑙勯伩錛堜笉鑳戒換鎰忔寚瀹欽oin鐨勬柟寮忥級</STRONG><BR>濡傚墠鎵�榪幫紝Report query寰堝ぇ紼嬪害涓婅Object Model Design鎵�鍒剁害<BR><BR>榪樻湁鍒殑涓�浜涙潅鎰燂紝渚嬪Hibernate涓嶈兘support View錛屽姩鎬乵apping錛岄兘瀵規彁楂楶erformance鎵�鑳介噰鍙栫殑stratagy鍋氫簡闄愬埗銆備笉榪囪繖浜涗笢瑗夸技涔庡湪hibernate3涓湁浜嗘敮鎸侊紝榪樻病鏈夋椂闂寸敤錛屼笉榪囧凡緇忚team閲岀殑涓�涓猰ember鍘籸esearch涓�涓媓ibernate3鐨刵ew feature<BR><BR></FONT></P><img src ="http://m.tkk7.com/Leslie/aggbug/6715.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/Leslie/" target="_blank">Salomon</a> 2005-06-26 12:18 <a href="http://m.tkk7.com/Leslie/archive/2005/06/26/6715.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                 <footer>
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