銆銆鎴戜滑灝嗗湪鎴戜滑鐨勪笟鍔″璞′腑浣跨敤鐨剆etter鏂規(guī)硶鎺ュ彈鐨勬槸鎺ュ彛錛岃繖浜涙帴鍙ｅ厑璁稿璞＄殑鏉炬暎瀹氫箟鐨勫疄鐜幫紝榪欎簺瀵硅薄灝嗚璁劇疆鎴栬呮敞鍏ャ傚湪鎴戜滑榪欎釜渚嬪瓙閲屾垜浠皢浣挎垜浠殑涓氬姟鏈嶅姟瀵硅薄鎺ュ彈涓涓狣AO鍘繪帶鍒舵垜浠殑棰嗗煙瀵硅薄鐨勬寔涔呭寲銆傚綋鎴戜滑鍦ㄨ繖綃囨枃绔犵殑渚嬪瓙涓嬌鐢℉ibernate錛屾垜浠彲浠ュ鏄撶殑杞崲鍒頒竴涓笉鍚岀殑鎸佷箙妗嗘灦鐨勫疄鐜幫紝閫氱煡Spring浣跨敤鏂扮殑瀹炵幇鐨凞AO瀵硅薄銆備綘鑳芥槑鐧界紪紼嬪埌鎺ュ彛鍜屼嬌鐢ㄢ滀緷璧栨敞鍏モ濇ā寮忔槸鎬庢牱瀹芥澗鑰﹀悎浣犵殑涓氬姟閫昏緫鍜屼綘鐨勬寔涔呭寲鏈哄埗鐨勩?br />
銆銆榪欏効鏄笟鍔℃湇鍔″璞＄殑鎺ュ彛錛屽畠鏄竴涓狣AO瀵硅薄渚濊禆鐨勬々.
| public interface IOrderService { 銆public abstract Order saveNewOrder(Order order) 銆銆throws OrderException, 銆銆銆銆銆 OrderMinimumAmountException; 銆public abstract List findOrderByUser(String user) 銆銆銆銆銆銆銆銆銆銆銆銆銆 throws OrderException; 銆public abstract Order findOrderById(int id) 銆銆銆銆銆銆銆銆銆銆銆銆銆 throws OrderException; 銆public abstract void setOrderDAO(IOrderDAO orderDAO); } |
銆銆娉ㄦ剰涓婇潰鐨勪唬鐮佹湁涓涓負(fù)DAO瀵硅薄鍑嗗鐨剆etter鏂規(guī)硶銆傝繖鍎挎病鏈変竴涓猤etOrderDAO鏂規(guī)硶鍥犱負(fù)瀹冧笉鏄繀瑕佺殑錛屽洜涓轟笉澶湁浠庡闈㈣闂繛鐫鐨凮rderDAO瀵硅薄鐨勯渶瑕併侱AO瀵硅薄灝嗚鐢ㄦ潵鍜屾垜浠殑鎸佷箙灞傛矡閫氥傛垜浠皢鐢⊿pring鎶婁笟鍔℃湇鍔″璞″拰DAO瀵硅薄榪炲湪涓璧楓傚洜涓烘垜浠紪鐮佸埌鎺ュ彛錛屾垜浠笉浼?xì)绱ц﹀悎瀹炵幇銆?
銆銆涓嬩竴姝ユ槸鍐欐垜浠殑DAO瀹炵幇瀵硅薄銆傚洜涓篠pring鏈夊唴寤虹殑瀵笻ibernate鐨勬敮鎸侊紝榪欎釜渚嬪瓙DAO灝嗙戶鎵縃ibernateDaoSupport綾伙紝榪欎嬌寰楁垜浠鏄撳彇寰椾竴涓埌HibernateTemplate綾葷殑寮曠敤錛孒ibernateTemplate鏄竴涓府鍔╃被錛屽畠鑳界畝鍖朒ibernate Session鐨勭紪鐮佸拰澶勭悊HibernateExceptions銆傝繖鍎挎槸DAO鐨勬帴鍙ｏ細(xì)
| public interface IOrderDAO { 銆public abstract Order findOrderById(final int id); 銆public abstract List findOrdersPlaceByUser(final String placedBy); 銆public abstract Order saveOrder(final Order order); } |
銆銆鎴戜滑榪樻湁涓や釜瀵硅薄瑕佸拰鎴戜滑鐨勪笟鍔″眰榪炲湪涓璧楓傝繖鍖呮嫭HibernateSessionFactory鍜屼竴涓猅ransactionManager瀵硅薄銆傝繖鍦⊿pring閰嶇疆鏂囦歡閲岀洿鎺ュ畬鎴愩係pring鎻愪緵涓涓狧ibernateTransactionManager錛屽畠?yōu)畣浠庡伐鍘偩l戝畾涓涓狧ibernate Session鍒頒竴涓嚎紼嬫潵鏀寔浜嬪姟銆傝繖鍎挎槸HibernateSessionFactory鍜孒ibernateTransactionManager鐨凷pring閰嶇疆銆?
| 錛渂ean id="mySessionFactory" 銆銆銆 class="org.springframework.orm.hibernate. 銆銆銆銆銆銆銆LocalSessionFactoryBean"錛?br />銆錛減roperty name="mappingResources"錛? 銆銆錛渓ist錛? 銆銆銆錛渧alue錛?br />銆銆銆銆com/meagle/bo/Order.hbm.xml 銆銆銆錛?value錛?br />銆銆銆錛渧alue錛?br />銆銆銆銆com/meagle/bo/OrderLineItem.hbm.xml 銆銆銆錛?value錛?br />銆銆錛?list錛?br />銆錛?property錛?br />銆錛減roperty name="hibernateProperties"錛?br />銆銆錛減rops錛?br />銆銆銆錛減rop key="hibernate.dialect"錛?br />銆銆銆銆net.sf.hibernate.dialect.MySQLDialect 銆銆銆錛?prop錛?br />銆銆銆錛減rop key="hibernate.show_sql"錛?br />銆銆銆銆false 銆銆銆錛?prop錛?br />銆銆銆錛減rop key="hibernate.proxool.xml"錛?br />銆銆銆銆C:/MyWebApps/.../WEB-INF/proxool.xml 銆銆銆錛?prop錛?br />銆銆銆錛減rop key="hibernate.proxool.pool_alias"錛?br />銆銆銆銆銆spring 銆銆銆錛?prop錛?br />銆銆錛?props錛?br />銆錛?property錛?br />錛?bean錛?br />錛?-- Transaction manager for a single Hibernate SessionFactory (alternative to JTA) --錛?br />錛渂ean id="myTransactionManager" 銆銆銆銆 class="org. 銆 銆銆銆銆銆銆 springframework. 銆銆銆銆銆銆銆銆orm. 銆銆銆銆銆銆銆銆hibernate. 銆銆銆銆銆銆銆銆HibernateTransactionManager"錛?br />銆錛減roperty name="sessionFactory"錛?br />銆銆錛渞ef local="mySessionFactory"/錛?br />銆錛?property錛?br />銆錛?bean錛? |
銆銆姣忎竴涓璞¤兘琚玈pring閰嶇疆閲岀殑涓涓紲bean錛炴爣璁板紩鐢ㄣ傚湪榪欎釜渚嬪瓙閲岋紝bean 鈥渕ySessionFactory鈥濅唬琛ㄤ竴涓狧ibernateSessionFactory錛宐ean 鈥渕yTransactionManager鈥濅唬琛ㄤ竴涓狧ibernate transaction manager銆傛敞鎰弔ransactionManger bean鏈変竴涓彨浣渟essionFactory鐨勫睘鎬у厓绱犮侶ibernateTransactionManager鏈変竴涓負(fù)sessionFactory鍑嗗鐨剆etter鍜実etter鏂規(guī)硶錛屽畠浠槸鐢ㄦ潵褰揝pring瀹瑰櫒鍚姩鏃剁殑渚濊禆娉ㄥ叆銆俿essionFactory灞炴у紩鐢╩ySessionFactory bean銆傝繖涓や釜瀵硅薄鐜板湪褰揝pring瀹瑰櫒鍒濆鍖栨椂灝嗚榪炲湪涓璧楓傝繖縐嶈繛鎺ユ妸浣犱粠涓哄紩鐢ㄥ拰鍒涘緩榪欎簺瀵硅薄鑰屽垱寤簊ingleton瀵硅薄鍜屽伐鍘備腑瑙ｆ斁鍑烘潵錛岃繖鍑忓皯浜?jiǎn)浣犲簲鐢ńE嬪簭涓殑浠ｇ爜緇存姢銆俶ySessionFactory bean鏈変袱涓睘鎬у厓绱?瀹冧滑緲昏瘧鎴愪負(fù)mappingResources 鍜?hibernatePropertes鍑嗗鐨剆etter鏂規(guī)硶銆傞氬父錛屽鏋滀綘鍦⊿pring涔嬪浣跨敤Hibernate,榪欎釜閰嶇疆灝嗚淇濆瓨鍦╤ibernate.cfg.xml鏂囦歡涓備笉綆℃庢牱,Spring鎻愪緵浜?jiǎn)涓涓究鎹風(fēng)殑鏂瑰紡--鍦⊿pring閰嶇疆鏂囦歡涓悎騫禜ibernate鐨勯厤緗?
銆銆鏃㈢劧鎴戜滑宸茬粡閰嶇疆浜?jiǎn)鎴戜滑鐨勫鍣ㄦ湇鍔eans鍜屾妸瀹冧滑榪炲湪浜?jiǎn)涓璧鳳紝鎴戜滑闇瑕佹妸鎴戜滑鐨勪笟鍔℃湇鍔″璞″拰鎴戜滑鐨凞AO瀵硅薄榪炲湪涓璧楓傜劧鍚庯紝鎴戜滑闇瑕佹妸榪欎簺瀵硅薄榪炴帴鍒頒簨鍔＄鐞嗗櫒銆?br />
銆銆榪欐槸鍦⊿pring閰嶇疆鏂囦歡閲岀殑鏍峰瓙錛?br />
| 錛?-- ORDER SERVICE --錛? 錛渂ean id="orderService" 銆class="org. 銆銆銆銆 springframework. 銆銆銆銆 transaction. 銆銆銆銆 interceptor. 銆銆銆銆 TransactionProxyFactoryBean"錛?br />銆錛減roperty name="transactionManager"錛?br />銆銆錛渞ef local="myTransactionManager"/錛?br />銆錛?property錛?br />銆錛減roperty name="target"錛?br />銆銆錛渞ef local="orderTarget"/錛?br />銆錛?property錛?br />銆錛減roperty name="transactionAttributes"錛?br />銆銆錛減rops錛?br />銆銆銆錛減rop key="find*"錛?br />銆銆PROPAGATION_REQUIRED,readOnly,-OrderException 銆銆銆錛?prop錛?br />銆銆銆錛減rop key="save*"錛?br />銆銆PROPAGATION_REQUIRED,-OrderException 銆銆 錛?prop錛?br />銆銆錛?props錛?br />銆錛?property錛?br />錛?bean錛?br />錛?-- ORDER TARGET PRIMARY BUSINESS OBJECT: Hibernate implementation --錛?br />錛渂ean id="orderTarget" 銆銆銆銆 class="com. 銆銆銆銆銆銆銆銆meagle. 銆銆銆銆銆銆銆銆service. 銆銆銆銆銆銆銆銆spring. 銆銆銆銆銆銆銆銆OrderServiceSpringImpl"錛?br />銆錛減roperty name="orderDAO"錛?br />銆銆錛渞ef local="orderDAO"/錛?br />銆錛?property錛?br />錛?bean錛?br />錛?-- ORDER DAO OBJECT --錛?br />錛渂ean id="orderDAO" 銆銆銆銆 class="com. 銆銆銆銆銆銆銆銆meagle. 銆銆銆銆銆銆銆銆service. 銆銆銆銆銆銆銆銆dao. 銆銆銆銆銆銆銆銆hibernate. 銆銆銆銆銆銆銆銆OrderHibernateDAO"錛?br />銆錛減roperty name="sessionFactory"錛?br />銆銆錛渞ef local="mySessionFactory"/錛?br />銆錛?property錛?br />錛?bean錛? |
銆銆鍥?鏄垜浠凡緇忚繛鍦ㄤ竴璧風(fēng)殑涓滆タ鐨勪竴涓瑙堛傚畠灞曠ず浜?jiǎn)姣忎釜瀵硅薄鏄庢牱鐩稿叧鑱旂殑鍜屾庢牱琚玈pring璁劇疆榪涘叾瀹冨璞′腑銆傛妸榪欏箙鍥懼拰紺轟緥搴旂敤涓殑Spring閰嶇疆鏂囦歡瀵規(guī)瘮鏌ョ湅瀹冧滑涔嬮棿鐨勫叧緋匯?
鍥?錛氳繖鏄疭pring鎬庢牱灝嗗湪榪欎釜閰嶇疆鐨勫熀紜涓婅閰峛eans銆?br />
銆銆榪欎釜渚嬪瓙浣跨敤涓涓猅ransactionProxyFactoryBean錛屽畠鏈変竴涓負(fù)鎴戜滑宸茬粡瀹氫箟浜?jiǎn)鐨勪簨鍔〗帯鐞嗚呭噯澶囩殑setter鏂規(guī)硶銆傝繖鏄竴涓湁鐢ㄧ殑瀵硅薄錛屽畠鐭ラ亾鎬庢牱澶勭悊澹版槑鐨勪簨鍔℃搷浣滃拰浣犵殑鏈嶅姟瀵硅薄銆備綘鍙互閫氳繃transactionAttributes灞炴у畾涔変簨鍔℃庢牱琚鐞嗭紝transactionAttributes灞炴т負(fù)鏂規(guī)硶鍚嶅畾涔夋ā寮忓拰瀹冧滑鎬庢牱鍙備笌榪涗竴涓簨鍔°?br />
銆銆TransactionProxyFactoryBean綾諱篃鏈変竴涓負(fù)涓涓猼arget鍑嗗鐨剆etter,target灝嗘槸涓涓埌鎴戜滑鐨勫彨浣渙rderTarget鐨勪笟鍔℃湇鍔″璞＄殑寮曠敤銆?orderTarget bean瀹氫箟浣跨敤鍝釜涓氬姟鏈嶅姟瀵硅薄騫舵湁涓涓寚鍚憇etOrderDAO()鐨勫睘鎬с俹rderDAO bean灝嗗眳浜庤繖涓睘鎬т腑錛宱rderDAO bean鏄垜浠殑鍜屾寔涔呭眰浜ゆ祦鐨凞AO瀵硅薄銆?br />
銆銆榪樻湁涓涓叧浜嶴pring鍜宐ean瑕佹敞鎰忕殑鏄痓ean鑳戒互涓ょ妯″紡宸ヤ綔銆傝繖涓ょ妯″紡琚畾涔変負(fù)singleton鍜宲rototype銆備竴涓猙ean榛樿鐨勬ā寮忔槸singleton錛屾剰鍛崇潃涓涓叡浜殑bean鐨勫疄渚嬪皢琚鐞嗐傝繖鏄敤浜庢棤鐘舵佹搷浣?-鍍忎竴涓棤鐘舵佷細(xì)璇漛ean灝嗘彁渚涚殑閭ｆ牱銆傚綋bean鐢盨pring鎻愪緵鏃訛紝prototype妯″紡鍏佽鍒涘緩bean鐨勬柊瀹炰緥銆備綘搴斿綋鍙湁鍦ㄦ瘡涓涓敤鎴烽兘闇瑕佷粬浠嚜宸辯殑bean鐨勬嫹璐濇椂鎵嶄嬌鐢╬rototype妯″紡銆?br />
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