锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲一级免费毛片,亚洲第一视频在线观看免费,日木av无码专区亚洲av毛片http://m.tkk7.com/sharkafeng/category/13392.htmlFocus on Eclipse Tools.zh-cnWed, 28 Feb 2007 18:34:33 GMTWed, 28 Feb 2007 18:34:33 GMT60Java瑙勫垯寮曟搸宸ヤ綔鍘熺悊鍙婂簲鐢?杞?http://m.tkk7.com/sharkafeng/articles/59758.htmlThe Spark of ThinkingThe Spark of ThinkingMon, 24 Jul 2006 02:41:00 GMThttp://m.tkk7.com/sharkafeng/articles/59758.htmlhttp://m.tkk7.com/sharkafeng/comments/59758.htmlhttp://m.tkk7.com/sharkafeng/articles/59758.html#Feedback0http://m.tkk7.com/sharkafeng/comments/commentRss/59758.htmlhttp://m.tkk7.com/sharkafeng/services/trackbacks/59758.html鎽?瑕?/strong> Java瑙勫垯寮曟搸鏄竴縐嶅祵鍏ュ湪Java紼嬪簭涓殑緇勪歡錛屽畠鐨勪換鍔℃槸鎶婂綋鍓嶆彁浜ょ粰寮曟搸鐨凧ava鏁版嵁瀵硅薄涓庡姞杞藉湪寮曟搸涓殑涓氬姟瑙勫垯榪涜嫻嬭瘯鍜屾瘮瀵癸紝嬋媧婚偅浜涚鍚堝綋鍓嶆暟鎹姸鎬佷笅鐨勪笟鍔¤鍒欙紝鏍規嵁涓氬姟瑙勫垯涓0鏄庣殑鎵ц閫昏緫錛岃Е鍙戝簲鐢ㄧ▼搴忎腑瀵瑰簲鐨勬搷浣溿?

銆銆寮曡█

銆銆鐩墠錛孞ava紺懼尯鎺ㄥ姩騫跺彂灞曚簡涓縐嶅紩浜烘敞鐩殑鏂版妧鏈斺擩ava瑙勫垯寮曟搸錛圧ule Engine錛夈傚埄鐢ㄥ畠灝卞彲浠ュ湪搴旂敤緋葷粺涓垎紱誨晢涓氬喅絳栬呯殑鍟嗕笟鍐崇瓥閫昏緫鍜屽簲鐢ㄥ紑鍙戣呯殑鎶鏈喅絳栵紝騫舵妸榪欎簺鍟嗕笟鍐崇瓥鏀懼湪涓績鏁版嵁搴撴垨鍏朵粬緇熶竴鐨勫湴鏂癸紝璁╁畠浠兘鍦ㄨ繍琛屾椂鍙互鍔ㄦ佸湴綆$悊鍜屼慨鏀癸紝浠庤屼負浼佷笟淇濇寔鐏墊椿鎬у拰绔炰簤鍔涙彁渚涙湁鏁堢殑鎶鏈敮鎸併?br />
銆銆瑙勫垯寮曟搸鐨勫師鐞?/b>

銆銆1銆佸熀浜庤鍒欑殑涓撳緋葷粺錛圧BES錛夌畝浠?br />
銆銆Java瑙勫垯寮曟搸璧鋒簮浜庡熀浜庤鍒欑殑涓撳緋葷粺錛岃屽熀浜庤鍒欑殑涓撳緋葷粺鍙堟槸涓撳緋葷粺鐨勫叾涓竴涓垎鏀備笓瀹剁郴緇熷睘浜庝漢宸ユ櫤鑳界殑鑼冪暣錛屽畠妯′豢浜虹被鐨勬帹鐞嗘柟寮忥紝浣跨敤璇曟帰鎬х殑鏂規硶榪涜鎺ㄧ悊錛屽茍浣跨敤浜虹被鑳界悊瑙g殑鏈瑙i噴鍜岃瘉鏄庡畠鐨勬帹鐞嗙粨璁恒備負浜嗘洿娣卞叆鍦頒簡瑙ava瑙勫垯寮曟搸錛屼笅闈㈢畝瑕佸湴浠嬬粛鍩轟簬瑙勫垯鐨勪笓瀹剁郴緇熴俁BES鍖呮嫭涓夐儴鍒嗭細Rule Base錛坘nowledge base錛夈乄orking Memory錛坒act base錛夊拰Inference Engine銆傚畠浠殑緇撴瀯濡備笅緋葷粺鎵紺猴細


鍥? 鍩轟簬瑙勫垯鐨勪笓瀹剁郴緇熸瀯鎴?/div>

銆銆濡傚浘1鎵紺猴紝鎺ㄧ悊寮曟搸鍖呮嫭涓夐儴鍒嗭細妯″紡鍖歸厤鍣紙Pattern Matcher錛夈佽紼嬶紙Agenda錛夊拰鎵ц寮曟搸錛圗xecution Engine錛夈傛帹鐞嗗紩鎿庨氳繃鍐沖畾鍝簺瑙勫垯婊¤凍浜嬪疄鎴栫洰鏍囷紝騫舵巿浜堣鍒欎紭鍏堢駭錛屾弧瓚充簨瀹炴垨鐩爣鐨勮鍒欒鍔犲叆璁▼銆傛ā寮忓尮閰嶅櫒鍐沖畾閫夋嫨鎵ц鍝釜瑙勫垯錛屼綍鏃舵墽琛岃鍒欙紱璁▼綆$悊妯″紡鍖歸厤鍣ㄦ寫閫夊嚭鏉ョ殑瑙勫垯鐨勬墽琛屾搴忥紱鎵ц寮曟搸璐熻矗鎵ц瑙勫垯鍜屽叾浠栧姩浣溿?br />
銆銆鍜屼漢綾葷殑鎬濈淮鐩稿搴旓紝鎺ㄧ悊寮曟搸瀛樺湪涓よ呮帹鐞嗘柟寮忥細婕旂粠娉曪紙Forward-Chaining錛夊拰褰掔撼娉曪紙Backward-Chaining錛夈傛紨緇庢硶浠庝竴涓垵濮嬬殑浜嬪疄鍑哄彂錛屼笉鏂湴搴旂敤瑙勫垯寰楀嚭緇撹錛堟垨鎵ц鎸囧畾鐨勫姩浣滐級銆傝屽綊綰蟲硶鍒欐槸鏍規嵁鍋囪錛屼笉鏂湴瀵繪壘絎﹀悎鍋囪鐨勪簨瀹炪俁ete綆楁硶鏄洰鍓嶆晥鐜囨渶楂樼殑涓涓狥orward-Chaining鎺ㄧ悊綆楁硶錛岃澶欽ava瑙勫垯寮曟搸閮芥槸鍩轟簬Rete綆楁硶鏉ヨ繘琛屾帹鐞嗚綆楃殑銆?br />
銆銆鎺ㄧ悊寮曟搸鐨勬帹鐞嗘楠ゅ涓嬶細

銆銆(1)灝嗗垵濮嬫暟鎹紙fact錛夎緭鍏orking Memory銆?br />
銆銆(2)浣跨敤Pattern Matcher姣旇緝瑙勫垯搴擄紙rule base錛変腑鐨勮鍒欙紙rule錛夊拰鏁版嵁錛坒act錛夈?br />
銆銆(3)濡傛灉鎵ц瑙勫垯瀛樺湪鍐茬獊錛坈onflict錛夛紝鍗沖悓鏃舵縺媧諱簡澶氫釜瑙勫垯錛屽皢鍐茬獊鐨勮鍒欐斁鍏ュ啿紿侀泦鍚堛?br />
銆銆(4)瑙e喅鍐茬獊錛屽皢嬋媧葷殑瑙勫垯鎸夐『搴忔斁鍏genda銆?br />
銆銆(5)浣跨敤鎵ц寮曟搸鎵цAgenda涓殑瑙勫垯銆傞噸澶嶆楠?鑷?錛岀洿鍒版墽琛屽畬姣曟墍鏈堿genda涓殑瑙勫垯銆?br />
銆銆涓婅堪鍗蟲槸瑙勫垯寮曟搸鐨勫師濮嬫灦鏋勶紝Java瑙勫垯寮曟搸灝辨槸浠庤繖涓鍘熷鏋舵瀯婕斿彉鑰屾潵鐨勩?br />
銆銆2銆佽鍒欏紩鎿庣浉鍏蟲瀯浠?br />
銆銆瑙勫垯寮曟搸鏄竴縐嶆牴鎹鍒欎腑鍖呭惈鐨勬寚瀹氳繃婊ゆ潯浠訛紝鍒ゆ柇鍏惰兘鍚﹀尮閰嶈繍琛屾椂鍒葷殑瀹炴椂鏉′歡鏉ユ墽琛岃鍒欎腑鎵瑙勫畾鐨勫姩浣滅殑寮曟搸銆備笌瑙勫垯寮曟搸鐩稿叧鐨勬湁鍥涗釜鍩烘湰姒傚康錛屼負鏇村ソ鍦扮悊瑙h鍒欏紩鎿庣殑宸ヤ綔鍘熺悊錛屼笅闈㈠皢瀵硅繖浜涙蹇佃繘琛岄愪竴浠嬬粛銆?br />
銆銆1)淇℃伅鍏冿紙Information Unit錛?br />
銆銆淇℃伅鍏冩槸瑙勫垯寮曟搸鐨勫熀鏈緩絳戝潡錛屽畠鏄竴涓寘鍚簡鐗瑰畾浜嬩歡鐨勬墍鏈変俊鎭殑瀵硅薄銆傝繖浜涗俊鎭寘鎷細娑堟伅銆佷駭鐢熶簨浠剁殑搴旂敤紼嬪簭鏍囪瘑銆佷簨浠朵駭鐢熶簨浠躲佷俊鎭厓綾誨瀷銆佺浉鍏寵鍒欓泦銆侀氱敤鏂規硶銆侀氱敤灞炴т互鍙婁竴浜涚郴緇熺浉鍏充俊鎭瓑絳夈?

銆銆2)淇℃伅鏈嶅姟錛圛nformation Services錛?br />
銆銆淇℃伅鏈嶅姟浜х敓淇℃伅鍏冨璞°傛瘡涓俊鎭湇鍔′駭鐢熷畠鑷繁綾誨瀷鐩稿搴旂殑淇℃伅鍏冨璞°傚嵆鐗瑰畾淇℃伅鏈嶅姟鏍規嵁淇℃伅鍏冩墍浜х敓姣忎釜淇℃伅鍏冨璞℃湁鐩稿悓鐨勬牸寮忥紝浣嗗彲浠ユ湁涓嶅悓鐨勫睘鎬у拰瑙勫垯闆嗐傞渶瑕佹敞鎰忕殑鏄紝鍦ㄤ竴鍙版満鍣ㄤ笂鍙互榪愯璁稿涓嶅悓鐨勪俊鎭湇鍔★紝榪樺彲浠ヨ繍琛屽悓涓淇℃伅鏈嶅姟鐨勪笉鍚屽疄渚嬨備絾鏃犺濡備綍錛屾瘡涓俊鎭湇鍔″彧浜х敓瀹冭嚜宸辯被鍨嬬浉瀵瑰簲鐨勪俊鎭厓銆?br />
銆銆3)瑙勫垯闆嗭紙Rule Set錛?br />
銆銆欏懼悕鎬濅箟錛岃鍒欓泦灝辨槸璁稿瑙勫垯鐨勯泦鍚堛傛瘡鏉¤鍒欏寘鍚竴涓潯浠惰繃婊ゅ櫒鍜屽涓姩浣溿備竴涓潯浠惰繃婊ゅ櫒鍙互鍖呭惈澶氫釜榪囨護鏉′歡銆傛潯浠惰繃婊ゅ櫒鏄涓竷灝旇〃杈懼紡鐨勭粍鍚堬紝鍏剁粍鍚堢粨鏋滀粛鐒舵槸涓涓竷灝旂被鍨嬬殑銆傚湪紼嬪簭榪愯鏃訛紝鍔ㄤ綔灝嗕細鍦ㄦ潯浠惰繃婊ゅ櫒鍊間負鐪熺殑鎯呭喌涓嬫墽琛屻傞櫎浜嗕竴鑸殑鎵ц鍔ㄤ綔錛岃繕鏈変笁綾繪瘮杈冪壒鍒殑鍔ㄤ綔錛屽畠浠垎鍒槸錛氭斁寮冨姩浣滐紙Discard Action錛夈佸寘鍚姩浣滐紙Include Action錛夊拰浣夸俊鎭厓瀵硅薄鍐呭鎸佷箙鍖栫殑鍔ㄤ綔銆傚墠涓ょ鍔ㄤ綔綾誨瀷鐨勫尯鍒皢鍦?.3瑙勫垯寮曟搸宸ヤ綔鏈哄埗灝忚妭浠嬬粛銆?br />
銆銆4)闃熷垪綆$悊鍣紙Queue Manager錛?br />
銆銆闃熷垪綆$悊鍣ㄧ敤鏉ョ鐞嗘潵鑷笉鍚屼俊鎭湇鍔$殑淇℃伅鍏冨璞$殑闃熷垪銆?br />
銆銆涓嬮潰灝嗙爺絀惰鍒欏紩鎿庣殑榪欎簺鐩稿叧鏋勪歡鏄浣曞崗鍚屽伐浣滅殑銆?br />
銆銆濡傚浘2鎵紺猴紝澶勭悊榪囩▼鍒嗕負鍥涗釜闃舵榪涜錛氫俊鎭湇鍔℃帴鍙椾簨浠跺茍灝嗗叾杞寲涓轟俊鎭厓錛岀劧鍚庤繖浜涗俊鎭厓琚紶緇欓槦鍒楃鐞嗗櫒錛屾渶鍚庤鍒欏紩鎿庢帴鏀惰繖浜涗俊鎭厓騫跺簲鐢ㄥ畠浠嚜韜惡甯︾殑瑙勫垯鍔犱互鎵ц錛岀洿鍒伴槦鍒楃鐞嗗櫒涓笉鍐嶆湁淇℃伅鍏冦?br />

鍥? 澶勭悊榪囩▼鍗忎綔鍥?/div>

銆銆3銆佽鍒欏紩鎿庣殑宸ヤ綔鏈哄埗

銆銆涓嬮潰涓撻棬鐮旂┒瑙勫垯寮曟搸鐨勫唴閮ㄥ鐞嗚繃紼嬨傚鍥?鎵紺猴紝瑙勫垯寮曟搸浠庨槦鍒楃鐞嗗櫒涓緷嬈℃帴鏀朵俊鎭厓錛岀劧鍚庝緷瑙勫垯鐨勫畾涔夐『搴忔鏌ヤ俊鎭厓鎵甯﹁鍒欓泦涓殑瑙勫垯銆傚鍥炬墍紺猴紝瑙勫垯寮曟搸媯鏌ョ涓涓鍒欏茍瀵瑰叾鏉′歡榪囨護鍣ㄦ眰鍊鹼紝濡傛灉鍊間負鍋囷紝鎵鏈変笌姝よ鍒欑浉鍏崇殑鍔ㄤ綔鐨嗚蹇界暐騫剁戶緇墽琛屼笅涓鏉¤鍒欍傚鏋滅浜屾潯瑙勫垯鐨勮繃婊ゅ櫒鍊間負鐪燂紝鎵鏈変笌姝よ鍒欑浉鍏崇殑鍔ㄤ綔鐨嗕緷瀹氫箟欏哄簭鎵ц錛屾墽琛屽畬姣曠戶緇笅涓鏉¤鍒欍傝淇℃伅鍏冧腑鐨勬墍鏈夎鍒欐墽琛屽畬姣曞悗錛屼俊鎭厓灝嗚閿姣侊紝鐒跺悗浠庨槦鍒楃鐞嗗櫒鎺ユ敹涓嬩竴涓俊鎭厓銆傚湪榪欎釜榪囩▼涓茍鏈冭檻涓や釜鐗規畩鍔ㄤ綔錛氭斁寮冨姩浣滐紙Discard Action錛夊拰鍖呭惈鍔ㄤ綔錛圛nclude Action錛夈傛斁寮冨姩浣滃鏋滆鎵ц錛屽皢浼氳煩榪囧叾鎵鍦ㄤ俊鎭厓涓帴涓嬫潵鐨勬墍鏈夎鍒欙紝騫墮攢姣佹墍鍦ㄤ俊鎭厓錛岃鍒欏紩鎿庣戶緇帴鏀墮槦鍒楃鐞嗗櫒涓殑涓嬩竴涓俊鎭厓銆傚寘鍚姩浣滃叾瀹炲氨鏄姩浣滀腑鍖呭惈鍏跺畠鐜板瓨瑙勫垯闆嗙殑鍔ㄤ綔銆傚寘鍚姩浣滃鏋滆鎵ц錛岃鍒欏紩鎿庡皢鏆傚仠騫惰繘鍏ヨ鍖呭惈鐨勮鍒欓泦錛屾墽琛屽畬姣曞悗錛岃鍒欏紩鎿庤繕浼氳繑鍥炲師鏉ユ殏鍋滅殑鍦版柟緇х畫鎵ц銆傝繖涓榪囩▼灝嗛掑綊榪涜銆?br />

銆銆鍥? 瑙勫垯寮曟搸宸ヤ綔鏈哄埗

銆Java瑙勫垯寮曟搸鐨勫伐浣滄満鍒朵笌涓婅堪瑙勫垯寮曟搸鏈哄埗鍗佸垎綾諱技錛屽彧涓嶈繃瀵逛笂榪版蹇佃繘琛屼簡閲嶆柊鍖呰緇勫悎銆侸ava瑙勫垯寮曟搸瀵規彁浜ょ粰寮曟搸鐨凧ava鏁版嵁瀵硅薄榪涜媯绱紝鏍規嵁榪欎簺瀵硅薄鐨勫綋鍓嶅睘鎬у煎拰瀹冧滑涔嬮棿鐨勫叧緋伙紝浠庡姞杞藉埌寮曟搸鐨勮鍒欓泦涓彂鐜扮鍚堟潯浠剁殑瑙勫垯錛屽垱寤鴻繖浜涜鍒欑殑鎵ц瀹炰緥銆傝繖浜涘疄渚嬪皢鍦ㄥ紩鎿庢帴鍒版墽琛屾寚浠ゆ椂銆佷緷鐓ф煇縐嶄紭鍏堝簭渚濇鎵ц銆備竴鑸潵璁詫紝Java瑙勫垯寮曟搸鍐呴儴鐢變笅闈㈠嚑涓儴鍒嗘瀯鎴愶細宸ヤ綔鍐呭瓨錛圵orking Memory錛夊嵆宸ヤ綔鍖猴紝鐢ㄤ簬瀛樻斁琚紩鎿庡紩鐢ㄧ殑鏁版嵁瀵硅薄闆嗗悎錛涜鍒欐墽琛岄槦鍒楋紝鐢ㄤ簬瀛樻斁琚縺媧葷殑瑙勫垯鎵ц瀹炰緥;闈欐佽鍒欏尯錛岀敤浜庡瓨鏀炬墍鏈夎鍔犺澆鐨勪笟鍔¤鍒欙紝榪欎簺瑙勫垯灝嗘寜鐓ф煇縐嶆暟鎹粨鏋勭粍緇囷紝褰撳伐浣滃尯涓殑鏁版嵁鍙戠敓鏀瑰彉鍚庯紝寮曟搸闇瑕佽繀閫熸牴鎹伐浣滃尯涓殑瀵硅薄鐜扮姸錛岃皟鏁磋鍒欐墽琛岄槦鍒椾腑鐨勮鍒欐墽琛屽疄渚嬨侸ava瑙勫垯寮曟搸鐨勭粨鏋勭ず鎰忓浘濡傚浘4鎵紺恒?br />


鍥? Java瑙勫垯寮曟搸宸ヤ綔鏈哄埗

銆銆褰撳紩鎿庢墽琛屾椂錛屼細鏍規嵁瑙勫垯鎵ц闃熷垪涓殑浼樺厛欏哄簭閫愭潯鎵ц瑙勫垯鎵ц瀹炰緥錛岀敱浜庤鍒欑殑鎵ц閮ㄥ垎鍙兘浼氭敼鍙樺伐浣滃尯鐨勬暟鎹璞★紝浠庤屼細浣塊槦鍒椾腑鐨勬煇浜涜鍒欐墽琛屽疄渚嬪洜涓烘潯浠舵敼鍙樿屽け鏁堬紝蹇呴』浠庨槦鍒椾腑鎾ら攢錛屼篃鍙兘浼氭縺媧誨師鏉ヤ笉婊¤凍鏉′歡鐨勮鍒欙紝鐢熸垚鏂扮殑瑙勫垯鎵ц瀹炰緥榪涘叆闃熷垪銆備簬鏄氨浜х敓浜嗕竴縐嶁滃姩鎬佲濈殑瑙勫垯鎵ц閾撅紝褰㈡垚瑙勫垯鐨勬帹鐞嗘満鍒躲傝繖縐嶈鍒欑殑鈥滈摼寮忊濆弽搴斿畬鍏ㄦ槸鐢卞伐浣滃尯涓殑鏁版嵁椹卞姩鐨勩?

銆銆浠諱綍涓涓鍒欏紩鎿庨兘闇瑕佸緢濂藉湴瑙e喅瑙勫垯鐨勬帹鐞嗘満鍒跺拰瑙勫垯鏉′歡鍖歸厤鐨勬晥鐜囬棶棰樸傝鍒欐潯浠跺尮閰嶇殑鏁堢巼鍐沖畾浜嗗紩鎿庣殑鎬ц兘錛屽紩鎿庨渶瑕佽繀閫熸祴璇曞伐浣滃尯涓殑鏁版嵁瀵硅薄錛屼粠鍔犺澆鐨勮鍒欓泦涓彂鐜扮鍚堟潯浠剁殑瑙勫垯錛岀敓鎴愯鍒欐墽琛屽疄渚嬨?982騫寸編鍥藉崱鑰愬熀路姊呴殕澶у鐨凜harles L. Forgy鍙戞槑浜嗕竴縐嶅彨Rete綆楁硶錛屽緢濂藉湴瑙e喅浜嗚繖鏂歸潰鐨勯棶棰樸傜洰鍓嶄笘鐣岄《灝栫殑鍟嗙敤涓氬姟瑙勫垯寮曟搸浜у搧鍩烘湰涓婇兘浣跨敤Rete綆楁硶銆?br />銆銆Java瑙勫垯寮曟搸API鈥斺擩SR-94

銆銆涓轟簡浣胯鍒欏紩鎿庢妧鏈爣鍑嗗寲錛孞ava紺懼尯鍒跺畾浜咼ava瑙勫垯寮曟搸API錛圝SR94錛夎鑼冦傚畠涓篔ava騫沖彴璁塊棶瑙勫垯寮曟搸瀹氫箟浜嗕竴浜涚畝鍗曠殑API銆?br />
銆銆Java瑙勫垯寮曟搸API鍦╦avax.rules鍖呬腑瀹氫箟錛屾槸璁塊棶瑙勫垯寮曟搸鐨勬爣鍑嗕紒涓氱駭API銆侸ava瑙勫垯寮曟搸API鍏佽瀹㈡埛紼嬪簭浣跨敤緇熶竴鐨勬柟寮忓拰涓嶅悓鍘傚晢鐨勮鍒欏紩鎿庝駭鍝佷氦浜掞紝灝卞鍚屼嬌鐢↗DBC緙栧啓鐙珛浜庡巶鍟嗚闂笉鍚岀殑鏁版嵁搴撲駭鍝佷竴鏍楓侸ava瑙勫垯寮曟搸API鍖呮嫭鍒涘緩鍜岀鐞嗚鍒欓泦鍚堢殑鏈哄埗錛屽湪宸ヤ綔鍖轟腑娣誨姞錛屽垹闄ゅ拰淇敼瀵硅薄鐨勬満鍒訛紝浠ュ強鍒濆鍖栵紝閲嶇疆鍜屾墽琛岃鍒欏紩鎿庣殑鏈哄埗銆?br />
銆銆1銆丣ava瑙勫垯寮曟搸API浣撶郴緇撴瀯

銆銆Java瑙勫垯寮曟搸API涓昏鐢變袱澶х被API緇勬垚: 瑙勫垯綆$悊API(The Rules Administrator API)鍜岃繍琛屾椂瀹㈡埛API(The Runtime Client API)銆?br />
銆銆1)瑙勫垯綆$悊API

銆銆瑙勫垯綆$悊API鍦╦avax.rules.admin涓畾涔夛紝鍖呭惈瑁呰澆瑙勫垯浠ュ強涓庤鍒欏搴旂殑鍔ㄤ綔(鎵ц闆?execution sets)浠ュ強瀹炰緥鍖栬鍒欏紩鎿庛傝鍒欏彲浠ヤ粠澶栭儴璧勬簮涓杞斤紝姣斿URI錛孖nput streams錛?XML streams鍜宺eaders絳夌瓑銆傚悓鏃惰鍒欑鐞咥PI榪樻彁渚涗簡娉ㄥ唽鍜屽彇娑堟敞鍐屾墽琛岄泦浠ュ強瀵規墽琛岄泦榪涜緇存姢鐨勬満鍒躲備嬌鐢╝dmin鍖呭畾涔夎鍒欐湁鍔╀簬瀵瑰鎴瘋闂繍琛岃鍒欒繘琛屾帶鍒剁鐞嗭紝瀹冮氳繃鍦ㄦ墽琛岄泦涓婂畾涔夎鍙潈浣垮緱鏈粡鎺堟潈鐨勭敤鎴鋒棤娉曡闂彈鎺ц鍒欍?br />
銆銆瑙勫垯綆$悊API浣跨敤綾籖uleServiceProvider鏉ヨ幏寰楄鍒欑鐞嗗櫒(RuleAdministrator)鎺ュ彛鐨勫疄渚嬨傝鎺ュ彛鎻愪緵鏂規硶娉ㄥ唽鍜屽彇娑堟敞鍐屾墽琛岄泦銆傝鍒欑鐞嗗櫒鎻愪緵浜嗘湰鍦板拰榪滅▼鐨凴uleExecutionSetProvider錛屽畠璐熻矗鍒涘緩瑙勫垯鎵ц闆嗭紙RuleExecutionSet錛夈傝鍒欐墽琛岄泦鍙互浠庡XML streams錛?binary streams絳夋潵婧愪腑鍒涘緩銆傝繖浜涙暟鎹潵婧愬強鍏跺唴瀹圭粡姹囬泦鍜屽簭鍒楀寲鍚庝紶閫佸埌榪滅▼鐨勮繍琛岃鍒欏紩鎿庣殑鏈嶅姟鍣ㄤ笂銆傚湪澶у鏁板簲鐢ㄧ▼搴忎腑錛岃繙紼嬭鍒欏紩鎿庢垨榪滅▼瑙勫垯鏁版嵁鏉ユ簮鐨勬儏鍐靛茍涓嶅銆備負浜嗛伩鍏嶈繖浜涙儏鍐典腑鐨勭綉緇滃紑閿錛孉PI瑙勫畾浜嗗彲浠ヤ粠榪愯鍦ㄥ悓涓JVM涓鍒欏簱涓鍙栨暟鎹殑鏈湴RuleExecutionSetProvider銆傝鍒欐墽琛岄泦鎺ュ彛闄や簡鎷ユ湁鑳藉鑾峰緱鏈夊叧瑙勫垯鎵ц闆嗙殑鏂規硶錛岃繕鏈夎兘澶熸绱㈠湪瑙勫垯鎵ц闆嗕腑瀹氫箟鐨勬墍鏈夎鍒欏璞°傝繖浣垮緱瀹㈡埛鑳藉鐭ラ亾瑙勫垯闆嗕腑鐨勮鍒欏璞″茍涓旀寜鐓ц嚜宸遍渶瑕佹潵浣跨敤瀹冧滑銆?

銆銆2)榪愯鏃跺鎴稟PI

銆銆榪愯鏃禔PI鍦╦avax.rules鍖呬腑瀹氫箟錛屼負瑙勫垯寮曟搸鐢ㄦ埛榪愯瑙勫垯鑾峰緱緇撴灉鎻愪緵浜嗙被鍜屾柟娉曘傝繍琛屾椂瀹㈡埛鍙兘璁塊棶閭d簺浣跨敤瑙勫垯綆$悊API娉ㄥ唽榪囩殑瑙勫垯錛岃繍琛屾椂API甯姪鐢ㄦ埛鑾峰緱瑙勫垯浼氳瘽錛屽茍鍦ㄨ繖涓細璇濅腑鎵ц瑙勫垯銆?br />
銆銆榪愯鏃禔PI鎻愪緵浜嗗鍘傚晢瑙勫垯寮曟搸API鐨勮闂柟娉曪紝榪欑被浼間簬JDBC銆傜被RuleServiceProvider鎻愪緵浜嗗鍏蜂綋瑙勫垯寮曟搸瀹炵幇鐨勮繍琛屾椂鍜岀鐞咥PI鐨勮闂紝瑙勫垯寮曟搸鍘傚晢閫氳繃璇ョ被灝嗗叾瑙勫垯寮曟搸瀹炵幇鎻愪緵緇欏鎴鳳紝騫惰幏寰桼uleServiceProvider鍞竴鏍囪瘑瑙勫垯寮曟搸鐨刄RL銆傛URL鐨勬爣鍑嗙敤娉曟槸浣跨敤綾諱技浜庘渃om.mycompany.myrulesengine.rules.RuleServiceProvider鈥濊繖鏍風殑Internet鍩熷悕絀洪棿錛岃繖淇濊瘉浜嗚闂甎RL鐨勫敮涓鎬с傜被RuleServiceProvider鍐呴儴瀹炵幇浜嗚鍒欑鐞嗗拰榪愯鏃惰闂墍闇鐨勬帴鍙c傛墍鏈夌殑RuleServiceProvider瑕佹兂琚鎴鋒墍璁塊棶閮藉繀欏葷敤RuleServiceProviderManager榪涜娉ㄥ唽錛屾敞鍐屾柟寮忕被浼間簬JDBC API鐨凞riverManager鍜孌river銆?br />
銆銆榪愯鏃舵帴鍙f槸榪愯鏃禔PI鐨勫叧閿儴鍒嗐傝繍琛屾椂鎺ュ彛鎻愪緵浜嗙敤浜庡垱寤鴻鍒欎細璇?RuleSession)鐨勬柟娉曪紝瑙勫垯浼氳瘽鏄敤鏉ヨ繍琛岃鍒欑殑銆傝繍琛屾椂API鍚屾椂涔熸彁渚涗簡璁塊棶鍦╯ervice provider娉ㄥ唽榪囩殑鎵鏈夎鍒欐墽琛岄泦(RuleExecutionSets)銆傝鍒欎細璇濇帴鍙e畾涔変簡瀹㈡埛浣跨敤鐨勪細璇濈殑綾誨瀷錛屽鎴鋒牴鎹嚜宸辮繍琛岃鍒欑殑鏂瑰紡鍙互閫夋嫨浣跨敤鏈夌姸鎬佷細璇濇垨鑰呮棤鐘舵佷細璇濄傛棤鐘舵佷細璇濈殑宸ヤ綔鏂瑰紡灝卞儚涓涓棤鐘舵佷細璇漛ean銆傚鎴峰彲浠ュ彂閫佸崟涓緭鍏ュ璞℃垨涓鍒楀璞℃潵鑾峰緱杈撳嚭瀵硅薄銆傚綋瀹㈡埛闇瑕佷竴涓笌瑙勫垯寮曟搸闂寸殑涓撶敤浼氳瘽鏃訛紝鏈夌姸鎬佷細璇濆氨寰堟湁鐢ㄣ傝緭鍏ョ殑瀵硅薄閫氳繃addObject() 鏂規硶鍙互鍔犲叆鍒頒細璇濆綋涓傚悓涓涓細璇濆綋涓彲浠ュ姞鍏ュ涓璞°傚璇濅腑宸叉湁瀵硅薄鍙互閫氳繃浣跨敤updateObject()鏂規硶寰楀埌鏇存柊銆傚彧瑕佸鎴蜂笌瑙勫垯寮曟搸闂寸殑浼氳瘽渚濈劧瀛樺湪錛屼細璇濅腑鐨勫璞″氨涓嶄細涓㈠け銆?

銆銆RuleExecutionSetMetaData鎺ュ彛鎻愪緵緇欏鎴瘋鍏舵煡鎵捐鍒欐墽琛岄泦鐨勫厓鏁版嵁(metadata)銆傚厓鏁版嵁閫氳繃瑙勫垯浼氳瘽鎺ュ彛(RuleSession Interface)鎻愪緵緇欑敤鎴楓?br />
銆銆2銆丣ava瑙勫垯寮曟搸API瀹夊叏闂

銆銆瑙勫垯寮曟搸API灝嗙鐞咥PI鍜岃繍琛屾椂API鍔犱互鍒嗗紑錛屼粠鑰屼負榪欎簺鍖呮彁渚涗簡杈冨ソ綺掑害鐨勫畨鍏ㄦ帶鍒躲傝鍒欏紩鎿嶢PI騫舵病鏈夋彁渚涙槑鏄劇殑瀹夊叏鏈哄埗錛屽畠鍙互鍜孞2EE瑙勮寖涓畾涔夌殑鏍囧噯瀹夊叏API鑱斿悎浣跨敤銆傚畨鍏ㄥ彲浠ョ敱浠ヤ笅鏈哄埗鎻愪緵錛屽Java 璁よ瘉鍜屾巿鏉冩湇鍔?(JAAS)錛孞ava鍔犲瘑鎵╁睍(JCE)錛孞ava瀹夊叏濂楁帴瀛楁墿灞?JSSE)錛屾垨鑰呭叾瀹冨畾鍒剁殑瀹夊叏API銆備嬌鐢↗AAS鍙互瀹氫箟瑙勫垯鎵ц闆嗙殑璁稿彲鏉冮檺錛屼粠鑰屽彧鏈夋巿鏉冪敤鎴鋒墠鑳借闂?

銆銆3銆佸紓甯鎬笌鏃ュ織

銆銆瑙勫垯寮曟搸API瀹氫箟浜唈avax.rules.RuleException浣滀負瑙勫垯寮曟搸寮傚父灞傛鐨勬牴綾匯傛墍鏈夊叾瀹冨紓甯擱兘緇ф壙浜庤繖涓牴綾匯傝鍒欏紩鎿庝腑瀹氫箟鐨勫紓甯擱兘鏄彈鎺у埗鐨勫紓甯?checked exceptions)錛屾墍浠ユ崟鑾峰紓甯哥殑浠誨姟灝變氦緇欎簡瑙勫垯寮曟搸銆傝鍒欏紩鎿嶢PI娌℃湁鎻愪緵鏄庣‘鐨勬棩蹇楁満鍒訛紝浣嗘槸瀹冨緩璁皢Java Logging API鐢ㄤ簬瑙勫垯寮曟搸API銆?br />
銆銆JSR 94 涓鴻鍒欏紩鎿庢彁渚涗簡鍏敤鏍囧噯API錛屼粎浠呬負瀹炵幇瑙勫垯綆$悊API鍜岃繍琛屾椂API鎻愪緵浜嗘寚瀵艱鑼冿紝騫舵病鏈夋彁渚涜鍒欏拰鍔ㄤ綔璇ュ浣曞畾涔変互鍙婅鐢ㄤ粈涔堣璦瀹氫箟瑙勫垯錛屼篃娌℃湁涓鴻鍒欏紩鎿庡浣曡鍜岃瘎浠瘋鍒欐彁渚涙妧鏈ф寚瀵箋?br />
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