MULE學習筆記

1、Mule學習筆記作者：鄭先全1.原理Mule介紹架構(gòu)MuleManagerIIcGGorwinwSpring/Pim/Prxi怎LrfecydeAdapterErtrypointResdverMuleMood(SEUA)TriicLufiMw甘酢iNdltfljalionMar?acerIMu電Tidihfxjrl核心概念請參考ArchitectureGuid»repository如果想保持新鮮，訪問他們的CVS是最好的辦法。cvs-d:/scm/mulelogin(nopassword)cvs-d:/scm/mulecomule注意：從2006年4月14日開始，不再使用cvs,而采

2、用svn,路徑如下:有自己的IDE:Download:Eclipseupdatesite:使用Mule的安裝我的JDK為1.4.2_05。下載后，解壓縮，并設(shè)置MULE_HOME為解壓縮目錄測試：提供的echo例子程序是個比較好的測試工具，放在MULE_HOME%samplesecho下，cmd并切換到改目錄的bin下，執(zhí)行，即可看到如下窗口：恭喜，說明安裝成功。Tip:事實上，在我的環(huán)境中會提示一個關(guān)于缺少一個sax文件的錯誤，郁悶，通過到sax王張并下載后，把里面的解壓縮到%MULE_HOME%lib下，可以解決該問題。echo例子分析參考這個地址()的介紹，應(yīng)該會有一個比較好的開始過程圖

3、示FUuteSarver描述為：通過兩種方式接入(紅色標識)：一為,另一為Soap(http)方式；每種接入都可以通過接入器(Connector)經(jīng)過NMR路由轉(zhuǎn)發(fā)后，進行輸出，目前通過兩種方式輸出：一為，另一為Soap(http)方式可以通過Mule提供的工具生成配置圖，如下：MULL-CHCSAMFLLISASIMPLECOMPONENTEXAWP_ETHATOEM口5T=!的SHOWT'jEXPOSEACOMPC'NENTI7UJ1F_ETRAN&P：'FTTS31HEELH-<JF'jCCVIkuHEMIAtAVEBSERJEHlI1HLF

4、OU即YGUHL-HHP：mjOCALHOSTfiaei/SEFMCE&ECHDUWQ7MEHICD-CCHG4FARAK>ISTHEREAINECHa?hfttRjTwmt詹solwaiesecr-&f*v-cirs,cam相關(guān)代碼(TheEchoService)TheechoServiceisaPOJOthatimplementsanEchoServiceinterface-publicinterfaceEchoServicepublicStringecho(Stringecho);JMW .transformernHiringCamnUnr(-' Lhlid

5、ilEf j幅住1晴元Irvpm GomwclorU卜舊舊f學監(jiān) semjHiielChitChatUMOThe implementation the POJO to be managed by Mule) looks like -package class EchoComponent extends LogComponent implements EchoService public String echo(String echo) return echo;配置和說明<xml version="" encoding="UTF-8"><

6、!DOCTYPE mule-configuration PUBLIC "-舊l攣。白a/口劇/eriLdhaner nbocriEfTranstcrniKrTMTnc Sm ngTM hTfiSiniig" MtdlEjkpc：',out*in - 口網(wǎng) 和 we rniufs '岬。曄 hullo ChfGhal*r>NameStringToChatStHHl 口 RnsRiChirChinJMD>|<Hng miJtel samp b箏 Iwllo ChfChaler |GreeterUMOTransformer ：StringToNa

7、meStringEri your Marrii: *n則修稼珅睥叮舊山2七，門>廣"節(jié);謫等網(wǎng)事n in' r -"ijncfTransFcrTrs =*El:rwigTaNb3rne!3birigr MChdEniJj-J n :把 hatteri ' i ik-iiiG?ili,. Mr = "nrg rnuk:.rimpiEii he lln CaTDrcri arr* l j m riI S：rsH'irn'W 3ywE h)Please refer to the Configuration Guide for a f

8、ull description of all the parameters. -><mule-descriptorname="GreeterUMO"implementation"<inbound-router>vendpointaddress=""transformers="StringToNameString"/>vendpointaddress=""transformers="StringToNameString"/></inbound-r

9、outer><outbound-router>vrouterclassName="">vendpointaddress=""/></router></outbound-router></mule-descriptor>vmule-descriptorname="ChitChatUMO"implementation"<inbound-router>vendpointaddress=""transformers="Name

10、StringToChatString"/></inbound-router>v/mule-descriptor>Tips:endpoint的address并沒有實際的意義，但由于在整個Mule實例里面必須唯一，故可以理解為命名空間Transformer必須繼承AbstractTransformer,主要實現(xiàn)doTransform接口方法loanbroker介紹異步實現(xiàn)：Credite«0g叩Respenwepvnvfnwup4viLgnd面舊2I同步實現(xiàn):配置圖請,+<口FEltpnEnlhwFli-«JH中tnd曹iiiIifi|l

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19、E第猴心|曲gJifiLoiRiauiHetS:時由小.稻Ft配置文件詳細分析<mule-configurationid="Loan_broker_Sync"version=""><!一定義EndPoint<endpoint-identifiers><endpoint-identifiername="LoanBrokerRequests"value=""/><endpoint-identifiername="LoanBrokerQuotes"val

20、ue=""/><endpoint-identifiername="CreditAgency"value="axis:"/><endpoint-identifiername="CreditAgencyReceiver"value="axis:"/><endpoint-identifiername="LenderService"value=""/><!-Themethodparameterforthebanken

21、dpointsisaddedprogrammitcallywhenthebankobjectsarecreated-><endpoint-identifiername="Bank1"value="axis:"/><endpoint-identifiername="Bank2"value="axis:"/><endpoint-identifiername="Bank3"value="axis:"/><endpoint-identi

22、fiername="Bank4"value="axis:"/><endpoint-identifiername="Bank5"value="axis:"/></endpoint-identifiers><!-LoanBrokerDescriptor<mule-descriptorname="LoanBroker"implementation1"/說明這個類來發(fā)出請求而已，并不需要實現(xiàn)特殊接口<inbound-router>vendp

23、ointaddress="LoanBrokerRequests"/></inbound-router><outbound-router>/LoanBrokerDescriptor有兩個outbound,一個去訪問信用代理，一個去獲取貸款方列表vrouterclassName="">vendpointaddress="CreditAgency"/>vfilterexpectedType=""className=""/>/信用代理，注意使用了filte

24、r,是為了確保CreditAgency的EndPoint對應(yīng)的CreditAgencyService具有合適的參數(shù)</router>vrouterclassName="">vendpointaddress="LenderService"/>vfilterexpectedType=""className=""/>/貸款方代理，通過filter,使得只有類型為BankQuoteRequest的請求去訪問v/router><response-routertimeout="

25、;100000">/響應(yīng)路由，通過聚合進行<endpointaddress="LoanBrokerQuotes"/><routerclassName=""/></response-router></mule-descriptor><mule-descriptorname="CreditAgencyService"/默認獲取用戶信用信息的服務(wù)inboundEndpoint="CreditAgencyReceiver"implementation&q

26、uot;</mule-descriptor>vmule-descriptorname="LenderService"/借貸方服務(wù)inboundEndpoint="LenderService"implementation"<outbound-router>vrouterclassName=""><reply-toaddress="LoanBrokerQuotes"/>/reply-to描述了反饋的端點vfilterexpression="recipient

27、s!=null"className=""/>/這個過濾器的用處在于說明只有recipients!=null的情況下，才執(zhí)行必要的邏輯</router></outbound-router></mule-descriptor><!一下面為幾個銀行的inbound配置，主要描述幾個不同銀行的輸入vmule-descriptorname="Bank1"inboundEndpoint="Bank1"implementation"<mule-descriptorname=&

28、quot;Bank2'inboundEndpoint="Bank2"implementation"</mule-descriptor>vmule-descriptorname="Bank3'inboundEndpoint="Bank3"implementation"</mule-descriptor>vmule-descriptorname="Bank4'inboundEndpoint="Bank4"implementation"<

29、/mule-descriptor>vmule-descriptorname="Bank5'inboundEndpoint="Bank5"implementation"</mule-descriptor>v/mule-configuration>通過ActiveMQ進行上述例子是通過構(gòu)造webservice進行的，很容易通過ActiveMQ來做，主要的調(diào)整只要重新定義Enpoint即可。具體配置文件修改一下即可，如下:<xmlversion=""encoding="UTF-8"&

30、gt;<!DOCTYPEmule-configurationPUBLIC"-/SymphonySoft/DTDmule-configurationXML/EN"""><mule-configurationid="Loan_broker_ASync"version=""><mule-environment-propertiessynchronous="false"serverUrl=""remoteSync="false"/&g

31、t;<!-TestingwithActiveMq-><!-<connectorname="jmsConnector"className=""><properties><propertyname="connectionFactoryJndiName"value="ConnectionFactory"/><propertyname="jndiInitialFactory"value=""/><property

32、name="specification"value=""/><mapname="connectionFactoryProperties"><propertyname="brokerURL"value=""/></map></properties></connector>-><connectorname="jmsConnector"className=""><prope

33、rties><propertyname="specification"value=""/><propertyname="connectionFactoryJndiName"value="ConnectionFactory"/><propertyname="jndiInitialFactory"value=""/><mapname="connectionFactoryProperties"><pro

34、pertyname="brokerURL"value=""/><propertyname="brokerXmlConfig"value="classpath:/"/></map></properties></connector><!-testingwithOpenJms-><!-<connectorname="jmsConnector"className="">-><!-<p

35、roperties>-><!-<propertyname="connectionFactoryJndiName"value="JmsQueueConnectionFactory"/>-><!-<propertyname="jndiInitialFactory"value=""/>-><!-<propertyname="jndiProviderUrl"value=""/>-><!-<

36、/properties>-><!-</connector>-><endpoint-identifiers><endpoint-identifiername="LoanBrokerRequests"value=""/><endpoint-identifiername="LoanBrokerQuotes"value=""/><endpoint-identifiername="CreditAgency"value="

37、;"/><endpoint-identifiername="CreditAgencyReceiver"value=""/><endpoint-identifiername="LenderService"value=""/><endpoint-identifiername="Bank1"value=""/><endpoint-identifiername="Bank2"value="&quo

38、t;/><endpoint-identifiername="Bank3"value=""/><endpoint-identifiername="Bank4"value=""/><endpoint-identifiername="Bank5"value=""/></endpoint-identifiers><mule-descriptorname="LoanBroker"<endpointad

39、dress="LoanBrokerRequests"/></inbound-router><outbound-router><routerclassName=""><endpointaddress="CreditAgency"/><filterexpectedType=""className=""/></router><routerclassName=""><endpointaddress="LenderService"/><filterexpectedType=""className=""/&