【精品】jbpm5持久化及流轉流程剖析

1、jbpm5持久化及流轉流程剖析1 jbpm5持久化結構圖jbpm5實例流程圖下面的文檔講解了基丁該流程的步驟流程2第一步啟動任務流程吋序圖:第一步人工任務執(zhí)行時序圖taskciient(taskciianlhandler1啟動taskserver.持久化organizat iona頂層包：外部系統(tǒng)2.啟動流出2. 1耕析bpmn2文件；2.2開啟事務2. 3 ksession開始執(zhí)j亍任務2. 3 1 執(zhí)行startnode,執(zhí)fbeforenode攔截器尊: _2. 3. 2 執(zhí)行l(wèi)iumantasknode* 執(zhí)行beforenode攔 18器等) ! !3.初始化handler3.1初始

2、化client3.2建立minn通佶連絃3.3注冊妙件complete3.4注冊班件fiii 135注冊爭件skip4.調用exculdiorkllea方法匚二4. 1初始化task任務和息ftt調用client添加任務信總!|4 3 addtaskrequest4.5 addtaskresponse；46返回 4.7返回i5關閉事務；ii6 1 ultflhimantaskafternode 攔彊器6. 2 執(zhí)fistartafternode攔截25i6.3 持久化 process info, work 11i6.3 ksession. dispose02.1 啟動 taskserver使用

3、線程丿動taskserver,初始化持久化organizationentity,將流程中需要使用到的 groupld, actorld.全部初始化到表中。2.2啟動流程1）根據(jù)路徑解析*.bpmn2或*.bpmn文件，放入到內存中。在該類注冊了相關的對象 org.jbpm.bpmn2.xml.bpmnsemanticmodule addhandler(nprcpercyu r nevz propertyhandler();addhandler(nlanenz new 匚anehandler();addhandler(”弓匸己二匸三匸呂口匸", new starteventhandle

4、r();addhandler(匸"卩 nevz endevenhandler();addhandler(r,exclj3lvegatewayn z new excl3lvega*ewayhaedler();addhandler (n2.nclejslvegatewayn f new zncl3lvega*ewayhaedler (); addhandler(nparallelgaewayr, z new parallelgatewayhandler();addhandler ("刁巴口匚2ei3£dg己匸e討己了” 營 nevz ezencsasedgaceway

5、handler (); addhandler (ncciriplexgace/7ayn new coir.plexgacewayhandler ();addhandler (nscrlp"ctasknz new scriptaskhandler ();addhandler (r,tasknz new taskhandler ();addhandler (n-jsertaskn f new usertaskhandlex ();addhandler (nrsan j.alzaskn z new man'jaltakhandler ();addhandler (r,ser*7lc

6、eta3knf new serviceia3khandler ();addhandler(n3endta3knr new sendta3khandler()；addhandler (nreoe2_veta3kn f new recei*7eta3khadler ();addhadler (,lb j3lr.e33r,j.leta3knz new 33lr.e33r-j±eta3khandler ();addhandler (ncallact2_vitynz new callactivityhandler ();addhandler (n3,.ibproce33nf new sbpro

7、cesshandler ();addhandler(11 adhocsbfrcce33n, new adhoc5bproce3 3andler();addhandler ("二二匸呂二mwci二&匸：ce匸三寸e：n匸”' new znterir.ediatecatcheventhandler (); addhandler ("二二匸呂二mwci二&匸巳二上二c專三寸e：n匸”' new znterir.ediatetr:rcweventhanciler (); addhandler (ribcndaryeventf, a new bcnda

8、ryeventhandler ();addhandler (r,d&taob; ectn r new da*acbjecthandler ();addhandler (r,tran3&ct-cnn f nevz trar.3acticnhand.ler ();addhandler (n3eqj.enceflcwr,z new seqier.ceflowhandler ();addhandler (n-ceidef-n2.tlcnn f new itemdefinitlonhandler ();addhandler (,lir.es3agen, new messagehandle

9、r ();addhandler (,lnterfacer,/ new interfaceandler ();addhandler (,cperatlcnn/ new operationhar,dler ();addhandler (nr2-ie33agerefrr z new inme33agerefhandler ();addhandler (,le3calationn, new e3calationhandler ();addhandler (,lerrcruf new errcrhandler ();addhandler (,ld&t.a5tcreri/ new datastor

10、eandler ();addhandler (,la33ccla*lonnf new a33cclaticnhandler ();handlersbyclass.p-jt (split. class, new splirhandler ();handler33ycla3s.p'jt (jom.classz new joinhandler (); handlerssyclass.put(eventmcde.class, new eventmodehandler(); handlerssyclass.pt(timermcde.class, nevz timernodehandler();h

11、aedlex53yclass .p*jc (endljode. class new endnodehardler (); handlersbyslass(fa二二匸nccie class, new r aul-cmodehaedler ();riancilerssyclass .p-jt (wcrkzcernmcde class, new wcr clterr-iodehandler (); handlers3yclas5.put(acicnncde.class, new acxonncdehandler(); handlersbydass.put (statemcdeclass, nevz

12、staemodehandler ():;riandlersbyslass.p-jt (conxcslteccerexnode.classf new coinposltecontextmodehandler (); handlers3yclass.pt(foreachnode.classz new foreachmcdehandler();2.2.1開啟事務222 ksession開始執(zhí)行任務在 org.drools.persistence.singlesessioncommandservice 中 execute 扌丸彳亍, public synchronized <t> 

13、7; execre (conzr:ai:d<t> cczrand) ； try rxm.begln();二匚2.tkse33lon ( this . sessonlnfo . cetld () rthis .rr.ax3halllnchelper cer?cba3e () f this .rr.arsnallinqhelper cetcc匚f ();this. jpin.beginccirir.andscopedentitymanacer ();/thisappscopedentitymanager.jointransaction(); reciscerrollbacksync()

14、;txiu. comml'c ()；根據(jù)不同的command可以實現(xiàn)ksession的交互return re3ulr;catch (runciir.eexcepclon re) rcllbacktran3action(re);throvz re; catch ( exception zl ) rcllbacktransaction(tl);tbrow nevz r*jinclir.eexceprlon (n?jrapped excepcicn see ca-j3er,/ 1); finally if ( ccirir.and instanceof dbpobeccnuland ) th

15、is. jpm.dispose ();type hi erarchy o£ org drools<=() andl generivgener i cc omm and<?t > 一 org .drools. comm an d. implabortprocessinstancecommand - mandtabortworkltemcommand 一 org drools command .runtimg.addeventlistenercommand - org drools. command .runti_ agendagroupsetfocuscommand

16、一 org.drools. command. r asser tequals 一 org drools command ass er tion,bt chexecu tio ncommandlmpl - org .drools .command. rui cl ear ac ti va tio ngroupcommand 一 org. drools, command, i cle aragendac omm and - org drools. command .runtime, ri cl e ar agendagr oupc omm and - org. drools. command .r

17、un tj clearruleflowgroupcommand 一 org.drools. command, rm completeworkltemcommand - org drools. command .run tj creatancecommand - org. drools, command. di eposecommand - org drools command .runtimewfhess ctrq-i to see the suwztypw hi"aixhy流程實例為 oigjbpm.ruleflow.instance.ruleflowprocessinstance

18、 的對象進入 cess.statlprocesscommand 中執(zhí)彳亍 excutepublic processxcstance execute(context cccexislaefulkrovledgcsessxon ksession - ( (knowledgecccnndcocexx) coszexr)gezstazeflkcvledesessioc ():if (data nail)(for (ctojecc o: dy <k99910q二匕上匸(0；>froce9匕匕uq匕ee) ：:(fzuu電9二d. fatare二色=)：(zxe

19、clonkes-lzzrl (<knowledgecczznazicxzex < ocnzexr ez£xecuzionkeslzs( » gezres-lls i 1 puz(th】9ourzdenclfler, w4.看豆了我程啟乞方式.執(zhí)行慕疹久化的szezbeledcesd 賠翔忌縛嚴> retnrn prccessznjance;223 執(zhí)行 startnode執(zhí)行startnode,結點任務public prccesslnsc&nce startprocedalastance(iona proceaszcatancezd) try &l

20、t;kruntiroe startcperation();if ( !jcruntxzie.gecicrioxigene()xaeccy() ) :kruntme.exeuxitequemedact丄ox：9 ():processinstance processinstance gecfxacessinatance(proceslstacceld);return pracesslnstance;1 w8執(zhí)行“5入克 2開til執(zhí)行期 finally icrunixe .eudopenno：!();任務流轉核心方法public final void rz.gger (mcdelnscance f

21、rom, scrig 匸¥?巳)boolean hidden = false;if (getnode() .getmetadaca ()get (hidden11) != null) hidden true;znterralkncwledcerncirse ic二二二匸二me = gefrocessistance (:cerkncwledcer-ncirr.e (); if (!hidden) (inernalprocessrut-me) krunt-meqe匚ezrocmssr二n匸二u包() 進入結點攔戳器getfrocessevents-pport().flre3eforeno

22、detriggered(tbis, kruntime);i&二二二三qqer (fzruir.p二vp巳)；i 流程流轉核心揑制器if (!hidden) (znernalfrocessrlmt-me 1 1c二二二匚二me qe匚emocessr二n匸二u乞()getprocessevens-pport () freaferncdetriggered (this, kr-jncime);退岀結點攔截器cermodelsanceconcalner ()1找到結點的出口cermodelsanceconcalner ()protected void triggerccir.pleted(s

23、tring type, boolean remove) if (remove) (orc jbpn:討o二cf二o討三二呂匚auug .nude二口3匸&二ceuor:匸ainem : remcvemodelscance(this);node node = getmode();list:<connec<cion> connections = null;if (nod色！ null) | coxinec匕丄ons nodegetoacgoingcon0eucions(cype);if (connections = null | connections.isenpcy (

24、) (org bpm>rorcf二o討二二3匚auue .nude二ns匸&二ceuor:匸aiuem :ncdezns-aceccrnpleced(this, 二ype); else for (ccnneccicn connection: connecc.ons) / stop if this process instance has been aborted / completedif (getfrocessinscance () getsate () ! process instance staflaut 工 ve) return;2.連接結點控制protected voi

25、d triqaercc&ctctioa(cocntction conn«ctio&> < boolean nidden falm； if <q«thod«()q«tx«t«daao' null> hidden true;interaalzncvledgerurtiffic krufitxoe getprccessznstaoe() if (!hldde2> (xntezaalprccessruatmel kruatxsegetproceaseventsppcrt < >

26、幺qtbi.;i2栓否看jl&5用戶電/ check fcr exclmive grcxxp first ncdelnszanceccszaxner p®-e"- - qe二nude：ru5=e=ccuy 二二e= > : if (parent instanceof ccczexzzsazaxceccntaxnerli9z<cqszexzis9?«cce> cokzcxzxn3z«scc9 -<cox-exzxnazazcecczzaizexi parexzi -gezcczzexzizazazcea i£xcl

27、axve3xc-p:it (conzexzlnszance ，w null! for (conr«xz：n«z*nc conc<xz：nft«nc«: new xrraylx9<co&z«xz：s二:xaqccu二!(；：!；二uc«)( exciu«iv«group：n«?«nc< groupls«t*sc« iexcl«xv«3rcp：c二cc«>二it <gro;pln.cosifmnoa】匕二)

28、63;ror (ncdelnstanct ncd«lq匸匕c«: grcplc"匕x匕二-sx(門 < if (ncdelnttance ! thit> 1 (osq:bpsvo:rkncv二cc4e：l9ance).cancel(>(contexti&tta&cecoscaintr) paz«&t> s«asv«ccstext:z匸uuao畫復£xc二迂 5rwp, contextxctta&ct):93執(zhí)行下個虛ire方渣/ trigger next node(0x

29、9：eps.vesrkflo廿ix二made：c®to:ue) < (srg：bp=vorkflcw二匕9=二匸它!<0<1亡：二9=二=亡二0匕：二二©=tetnodelsstaccecostaiser () i fethcdelaatanceiccnbection.gettoq)<trigger(thi», cc&aectioa>gextotyyq >:(i internalfrcceasrnzxrae) jrruu二二n gu=p:ro=es3r:=x=eq).gezfrsceaatvczzs'ippcrz

30、 (» .fizeafzergseleft «xhisr 1ttzzx=c» :4 如：開至 w三 1?*旦岑224 流程執(zhí)行 humantasknode流程執(zhí)行到humantask任務結點，引擎會執(zhí)行org jbpm. workflow . instance . node worki temnode instance 這彳實彳列類(l勺 internal trigger 方法，并持久化 workiteminfopublic void xnternaltriggex(final ncdelnszance frcs. spring type) super匕ype);

31、/ tooo this should be included for ruleflov only, not for bpelif (ozq dtools .process !.:$匸ouce 討osrlctreno wotklregi); catch (worklcerahandlernocfoundexcepcion wihnfe) (2 4yorkxt«»ss> shsitsikfiznfiftgecfrocestlnstance () . secstate ( prcceiilnicance. sratzasorrzd ):wrkltmthrow wihnfe;

32、if (!workitenirode.iawaxtforcoapletxon()( triggerccnpleced 0 :this.v/oriciuenzci wcrkltemgerhd(): nodeconnectxon_default_type.equalm(type) throw new illegalargusentexception(a worklterenode only accepts default mcomicg connections * *);norkhendcde womk"ercncde ();| uzeete閤orklteruworkxtenhode);

33、| iorkltif (worjcitersitode！,9*bixfo:rh:qple"o：u) adcworklteslxstener():>if (xsinversionofcontrok) (proceaainstance) getproceaazndtance()getknowledgeruatine() update(processlnstance) qetprocesalnstance()gecknowledgeruntirce()gefacthandle<tbis), this>:i else <try (pobxia void interft

34、ixkxecutemorirxtmkvorkxtmi vorirxteii) eavireemst «rv tbit4fvarklvuoco wor*：t«a：&fo n«w yorkxtwzaco <vorkzt«mr an :ex.peraiaz (worirzze&icfo):fersxsenceccntexccxexjfer sx sxezcecc 二 f mamk 二» env.f” i 再久化»arkitei lycrkzesiisii vorklt<ai 9etld<vozlr：tesx

35、l£fcvorirztenzsfc update () j£xvxrs=eztxa=e ) .gex*=ars<:ei5er3i9ezcecexxexx < > ;if (tble.wxtenj nolli (thiaw：匸 n«w k4>nxap<lon9* xorirzcmuctox)j )vorteltes匸nt qwor:resge=xd(), vorirlteainfol:wcric：<=h*!：51«r nadl« iv:ic：z0u4：r) tbit. -t二&二haat，);lazdl

36、er.exerexsricxzeskxsridzez thist :throworicic«n2totfeu&dzmc«pciod( werklttm ): g二 kuo 莒 ldgrnn 二二 () g二前 orkxfrnm:g匕 o ) internaxexecuzeworklten (2.3 初始化 handler官方默認提供了 workltemhandler的實現(xiàn)，com.carefx.workflow.handleccommandbascdwshumantaskhandler。這個 handler 就類似人 工任務的范本，如果業(yè)務系統(tǒng)要做其他事情，可以適當

37、的修改這個類就可以，例如：與外 部組織機構交互等。2.3.1 初始化 client初始化taskclient.用于client與 服務端server交互2.3.2建立mina通信連接jbpm5默認以mina作為通信持久化通信橋梁2.3.3 注冊事件 complete2.3.4注冊事件fail2.3.5注冊事件skip初始化commandbasedwshumantaskhandler方法時，山客丿端發(fā)起，向服務端中注冊任務事件(taskcompletedevent, taskfailedevent, taskskippedevent, taskclaimedevent 等)。 客戶端(通過min

38、a發(fā)起)：public void() if (cl丄色nt null) client = new taskclient (new mxnataslcclieszconnecccr("cr g dxcola .pmuuess .homic 二二 y匸.nshuxartankhandler*1.new misataskclie&tmandler(syateseventliatenerfactory ;ttsys?eszventxutener():boolean ccsn«ct<d cliest.connect (xpaddros, pert):if ("

39、connected) <throw new xllegalarguseszexcepzios( acould not cos&ect task client*);>注冊tasiceventicey key new taskeveatkey (taskccnpleedevent-1);tasjrccsqpletedhandler eventresponsehandler new taskccnpletedhandler(client(statefulknowledgesession)ksession); client.zegi.9匸亡匕匸(key. false, eventr

40、eapoasehandler): key new task!venkey(taskfaxled£vent.classr -1);u二二仝二二.reglsterfczlten*(jceyz false, evenxrespc*sehandler):key new taskzvexzey(tasksk-ppei£ven.class. -1);clienz二匸exfu二三y仝二匸(味乞丫, false, evenzresposehanler):服務端(通過mina接收)：case rsgistsrforevsntrzqiiqst: response = coirir.andnai

41、r.e. evsntxri r 殳 spxs?;eventkey key = (eventkey) cmd.gerargmenrs().get(o); boolean remove = (boolean) emd. getaraent3 () . get (1);sri匚q h二二d = (string) emd. cezkrcnzs () . cez (2); clients .pj匸(wld, 3e33ion);eventra匚spo二匸 ra匚spo二匸 = nev7 eventranspcrcind. getld () f client3z remove);3erv2.ee cetev

42、entkey3 () reci3ter (key, tra匚匸); break;2.4 調用 excuteworkltem 方法調用excuteworkltem方法，目的初始化任務信息（任務名稱、任務優(yōu)先級、處理任務人員 分配籌），將得到的任務信息一并發(fā)送到服務端進行持久化overridepublic void exec*-iteworkltem(wcrkzteir. wcrklten, wcrklterrl-ianacer n；anacer) coe匚eut ();ta3k t&3k = new t&3k();srrz.ng askmair.e = (string) wok二

43、匕em匚etealzmirete二("tasknajre”)；2.4.1初始化task任務信息2.4.2調用client添加任務信息2.4.3 addtaskrequest由客戶端(taskclicnt)向服務端(taskscrvcr)轉發(fā)持久化task請求該方法最后一行通過發(fā)送addtaskrequest請求，發(fā)送到服務端,由服務端持久化 task 和 content 信息client.addtask(task, content, null);2.4.4持久化task服務端(org.jbpm.task.service.taskserverhandler)接收到客戶端發(fā)送來的消息 a

44、ddtaskrequest,1)持久化 task 信息，插入相關的農(peopleassignments_potowners,peopleassignments_exclowners, peopleassignments_stakeholders, peopleassignments_bas, peopleassignments_recipients,task, 118ntext)2.4.5 addtaskresponse通過addtaskresponse,山服務端(taskserver)發(fā)起請求通知客廣端(taskclient),通知客 戶端(org.jbpm.task. service.t

45、askclienthandler)添加任務完畢，持久化processinstanceln£o, workiteminfo 數(shù)據(jù)此時路程已經執(zhí)行到了 humantask任務結點上，同時分配了任務給具體的人。進行了持 久化操作。接著等待人員觸發(fā)該任務2.4.6返回任務結束返冋sessionld,proceslnstanceld給用八，外部系統(tǒng)保持以便獲取持久化信息。2.5關閉事務(提交事務)持久化 processlnfo,workitem 等，并対 sessioninfo 解鎖2.6執(zhí)行流程的后續(xù)操作261 執(zhí)行 humantaskafternode 攔截器2.6.2 執(zhí)行 starta

46、fternode 攔截器2.6.3 執(zhí)行 humantaskafternode 攔截器2.6.4 ksession.disponse()釋放 ksession3第二步人工任務流程時序圖:warkl；lowlnt"facoi； i rm kncr itdskcli ml (taskcl ieiill i in idler)1. jc動tasics、.兒久organization2.說川人工仟務執(zhí)汀按口a外和系統(tǒng)3解析bjxnn24. ifijiksessionldij;取嗆“sion5.知妞化cl iont5. 1建立mimi週侑連接5.2注冊珈件conplete5.3汴冊爭ftfai

47、l5.3注沏爭件skip5. 4返冋6 registerwork7-發(fā)超存詢人丄任務諂求7. 1. qtierytnsksassignedpotentinlowncr7. 2. qurryttiksunitfiryrcnpnnsrwa. 4返冋99發(fā)虎2誡功完成人.任務i與求(gwlqle7.3返回人丄任務伯息8發(fā)拗開始執(zhí)行任務請求(start)8. 1 operationrequest&2淹程實例狀態(tài)改空為inpraccss8.3 ojx?rat ionresponse9. 2 eventtri ggerresponsetw9 3 ojwrat innresppnse9. 4 grt

48、taykrequest9.5 gettaskrespons-fw9.6 getcontentrequestt-9. 7 getcont entresponse9. i oprrat ioncqucst9. 25返冋<-9. 8 w ftjwork 11 emit h! siconp 1 et ework 11 emit 口1-9.9 kgswion幵啟爭務9.11開貽結點進轉jllunantaskhttnd i or(初始化9 17 executework i ten9. 23返回9.24 1p務提交9. 13 初始化client9. i i 注shepleteevenl9.15 itm

49、failevent9. 16 注mskipevcnt9. 18初妬化下個結點.的tosk9. 19發(fā)迖創(chuàng)住任務持久化謂求9.20 addtaskrequest9. 21 adrfrakkcspannc9. 22返|叫3.1 啟動 taskservertaskserver保持啟動狀態(tài)，或者至新丿占動一個線程亦可。3.2調用人工任務執(zhí)行接口外部系統(tǒng)通過該接口實現(xiàn)人工任務的交互3.3 解析 bpmn2讀収原來流程的bpmn2文件并解析到jbpm5框架中3.4 通過 kessionld 獲取 ksession通過第一步返冋的sessionld.獲取到持久化的sessioninfo信息，以及proces

50、sinstance信息。 同時proccsslnstancc流程實體采用數(shù)據(jù)鎖，保證并發(fā)女全性f ex»e iicse33icn s ijpakncwledg*service二01：19二3二仝于:;二？(?:二羅二仝么孑仝0仝53二0：:(幺9仝99二：二二4"0“9仝"二：二g,仝二:3.5初始化client3.5.1建立mina通信連接初始化taskclient,建立起mina連接3.5.2 注冊事件 complete3.5.3注冊事件fail3.5.4注冊事件skip同時山客八端(taskclient)發(fā)起，須向服務端(taskserver)中注冊任務事件

51、(taskcompletedevent, taskfailedevent, taskskippedevent, taskclaimedevent)注冊兒個事件, 就需要發(fā)起兒個mina請求幺戶端(通過mina發(fā)起)：public void ccnnec* « if (cl丄enc null) client = new tasjcclxenr r.ev minatasjccliezconnec'ucr i"erg drccls .emuuenn 肓ur k二二 en =9上二二new hx*&t&sjrcli.enha*dler (syaerzveci

52、iscenerf&cory yersystex£venrlisrer:er( ： o ;boolean ccnxecred client.coanecc(xpaddress, port);if ("connected) throw now illegalaxgusenexcefxcn(could net connect task client");>/注冊taslceventkey key new taskeventkey(taskccnpxeedevent.cla.】)：taskconqpletedhandler eventrespon new t

53、lcccnl<t«dhandl«r (clxeaz, (statefulknowledgesei.on)cs&on); clientzeg丄sterfozeye匕匸(key. false, eventreapondehandler):key new taskeventxeydaskfailedevent .class, -1):client ：rg二匸:rfosreveur tfalso, eventresponsehandler):key new taskeve*txey(ta9kskxppedevest.class, -1);client.register

54、forevent(keyr false, eventresponsehandler):服務端(通過mina接收)：case rejisterforeventeuest: response = ccirir.andnair.e eventtriggerrzsponsz;eventkey key = (eventkey) cmd. getarcents () .get(o); boo 1 巳an remove = (boolean) emd. cezarcrr.enzs () . cez (1); string id = (string) emd. getaraent3 () . get (2);

55、 cllenr3 .“匸(二二二6 3e33ion);eventtrauspo二匸 trauspo二匸 = nevz eventtransportcmd. geid () f clients, remove);servicegeteventkeys()register(keyr transport);break;3.5.5返回3.6 registerworkltemhandler (容器注冊人工任務handler)通過handler注冊后,jbpm5會自動實現(xiàn)與業(yè)務系統(tǒng)的交互3.7發(fā)起查詢人工任務請求轉發(fā)請求査詢人工任務請求到taskclient3.7.1 querytasksassigned

56、aspotentialowner客戶端(taskclient)向服務端(taskserver)發(fā)送請求。發(fā)起querytasksassignedaspotentialowner查詢請求：查詢分配的用戶任務列農taskclienc getasksassiqnedaspotentialowner cdserorgro-dpidccnzanzsen ukf re3ponsehandler);：<sresp?r：5ehadler = new 31coklata3k5'jrmaryre3cor.3ehadler :;根據(jù)港在用戶查詢待處理的任務"結果返回包含在 responsem

57、&ndler312.5*<tasksummary> results = responsehandler .qmtres二二匸s ();responsehandler. waittilldcne (contanzs tilltzle) ;|public void cectaskba33igr.eda3poterlalc77er (string 二se二二d“string language,ta3<s*jrrn:aryrebgonsemaucile二 re3pcn3ehandler) li5t<0b：ecc> args = new arraylist<object>( 2 );args add( us