【文章內(nèi)容簡(jiǎn)介】 n節(jié)點(diǎn)描述on全局標(biāo)簽,定義某個(gè)event的continue屬性.transition全局標(biāo)簽,向外的轉(zhuǎn)移l example. statel 等待狀態(tài).l 當(dāng)一個(gè)執(zhí)行到達(dá)這個(gè)節(jié)點(diǎn),執(zhí)行將會(huì)被暫停,()().signal()傳送到該節(jié)點(diǎn).l state 的屬性表:AttributeTypeDefaultRequired?Descriptionnameany text可選節(jié)點(diǎn)名稱,名稱應(yīng)該在整個(gè)流程中是唯一的.gstring可選使用流程設(shè)計(jì)工具時(shí),圖象大小和坐標(biāo)信息.continuetns:continueTypeasync|sync|exclusivesync可選指定同步,異步或互斥的.l state的可嵌套的標(biāo)簽:ElementDescriptiondescription節(jié)點(diǎn)描述on全局標(biāo)簽,定義某個(gè)節(jié)點(diǎn)的在on可以嵌套的標(biāo)簽的功能(timer,hql,eventlistener等等).transition全局標(biāo)簽,向外的轉(zhuǎn)移l example流程圖如下：process name=StateChoice xmlns= start transition to=wait for response / /start state name=wait for response transition name=accept to=submit document / transition name=reject to=try again / /state state name=submit document / state name=try again //process為進(jìn)程定義啟動(dòng)一個(gè)新的流程實(shí)例:ProcessInstance processInstance = executionService .startProcessInstanceByKey(StateChoice)?，F(xiàn)在,執(zhí)行到達(dá)wait for ,一個(gè)state含有多個(gè)向外轉(zhuǎn)移,在外部觸發(fā)中給出的signalName,:String executionId = processInstance .findActiveExecutionIn(wait for response) .getId()。processInstance = (executionId, accept)。assertTrue((submit document))。當(dāng)執(zhí)行繼續(xù),當(dāng)signalExecutionXxx方法給出的signalName 是reject的時(shí)候,執(zhí)行將會(huì)繼續(xù),經(jīng)過(guò)名稱是reject的向外轉(zhuǎn)移.. decisionl 當(dāng)有多個(gè)可選路徑時(shí),選擇一條路徑繼續(xù)進(jìn)行.l 當(dāng)執(zhí)行到該節(jié)點(diǎn)時(shí),只會(huì)選擇一個(gè)向外轉(zhuǎn)移.l decision 的屬性表:AttributeTypeDefaultRequired?Descriptionnameany text可選節(jié)點(diǎn)名稱,名稱應(yīng)該在整個(gè)流程中是唯一的.gstring可選使用流程設(shè)計(jì)工具時(shí),圖象大小和坐標(biāo)信息.continuetns:continueTypeasync|sync|exclusivesync可選指定同步,異步或互斥的.exprstring可選script將會(huì)在被執(zhí)行,并且判斷向外轉(zhuǎn)移節(jié)點(diǎn)的名字.langstring可選聲明expr屬性使用的語(yǔ)言名稱.l decision的可嵌套的標(biāo)簽:ElementDescriptiondescription節(jié)點(diǎn)描述handleron全局標(biāo)簽,定義某個(gè)節(jié)點(diǎn)的在on可以嵌套的標(biāo)簽的功能(timer,hql,eventlistener等等).transition全局標(biāo)簽,向外的轉(zhuǎn)移l exampleprocess name=DecisionConditions start transition to=evaluate document / /start decision name=evaluate document transition to=submit document condition expr={content==good} / /transition transition to=try again condition expr={content==not so good} / /transition transition to=give up / /decision state name=submit document / state name=try again / state name=give up //process輸入?yún)?shù)為good content,啟動(dòng)一個(gè)流程實(shí)例后:MapString, Object variables = new HashMapString, Object()。(content, good)。ProcessInstance processInstance = (DecisionConditions, variables)。submit document節(jié)點(diǎn)被激活:assertTrue((submit document))。. concurrency并行執(zhí)行可以由fork和join節(jié)點(diǎn)組成.. forkl fork節(jié)點(diǎn)允許一條單一的執(zhí)行路徑分離成兩條或更多的,可以并行的執(zhí)行節(jié)點(diǎn).l fork 的屬性表:AttributeTypeDefaultRequired?Descriptionnameany text可選節(jié)點(diǎn)名稱,名稱應(yīng)該在整個(gè)流程中是唯一的.gstring可選使用流程設(shè)計(jì)工具時(shí),圖象大小和坐標(biāo)信息.continuetns:continueTypeasync|sync|exclusivesync可選指定同步,異步或互斥的.l fork的可嵌套的標(biāo)簽:ElementDescriptiondescription節(jié)點(diǎn)描述on全局標(biāo)簽,定義某個(gè)節(jié)點(diǎn)的在on可以嵌套的標(biāo)簽的功能(timer,hql,eventlistener等等).transition全局標(biāo)簽,向外的轉(zhuǎn)移l examplefork節(jié)點(diǎn)允許一個(gè)單獨(dú)的執(zhí)行路徑拆分成兩條或更多的路徑,它們可以并發(fā)執(zhí)行.process name=ConcurrencyGraphBased xmlns= start transition to=fork/ /start fork name=fork transition to=send invoice / transition to=load truck/ transition to=print shipping documents / /fork state name=send invoice transition to=final join / /state state name=load truck transition to=shipping join / /state state name=print shipping documents transition to=shipping join / /state join name=shipping join transition to=drive truck to destination / /join state name=drive truck to destination transition to=final join / /state join name=final join transition to=end/ /join end name=end //process. joinl 歸并多個(gè)并行路徑的執(zhí)行.l join節(jié)點(diǎn)屬性lAttributeTypeDefaultRequired?Descriptionnameany text可選節(jié)點(diǎn)名稱,名稱應(yīng)該在整個(gè)流程中是唯一的.gstring可選使用流程設(shè)計(jì)工具時(shí),圖象大小和坐標(biāo)信息.continuetns:continueTypeasync|sync|exclusivesync可選指定同步,異步或互斥的.lockmodenonereadupgradeupgrade_nowaitwriteupgrade可選在行一級(jí)執(zhí)行時(shí)提交的hibernate的lock mode,以避免兩個(gè)并行事物不知道對(duì)方是否到達(dá)join節(jié)點(diǎn),導(dǎo)致進(jìn)程死鎖.multiplicitystring:正數(shù)或表達(dá)式傳入轉(zhuǎn)移的數(shù)目可選在join節(jié)點(diǎn)執(zhí)行以及推動(dòng)一個(gè)向外轉(zhuǎn)移之前,應(yīng)該到達(dá)當(dāng)前join節(jié)點(diǎn)的執(zhí)行的數(shù)目.l join的可嵌套的標(biāo)簽:ElementDescriptiondescription節(jié)點(diǎn)描述on全局標(biāo)簽,定義某個(gè)節(jié)點(diǎn)的在on可以嵌套的標(biāo)簽的功能(timer,hql,eventlistener等等).transition全局標(biāo)簽,向外的轉(zhuǎn)移l example參考fork節(jié)點(diǎn)例子. subprocessl 創(chuàng)建一個(gè)子流程,并且等待知道子流程完成后,執(zhí)行流程將會(huì)繼續(xù)執(zhí)行.l subprocess的屬性:AttributeTypeDefaultRequired?Descriptionnameany text可選節(jié)點(diǎn)名稱,名稱應(yīng)該在整個(gè)流程中是唯一的.gstring可選使用流程設(shè)計(jì)工具時(shí),圖象大小和坐標(biāo)信息.continuetns:continueTypeasync|sync|exclusivesync可選指定同步,異步或互斥的.outeexpression可選在行一級(jí)執(zhí)行時(shí)提交的hibernate的lock mode,以避免兩個(gè)并行事物不知道對(duì)方是否到達(dá)join節(jié)點(diǎn),導(dǎo)致進(jìn)程死鎖.subprocessidstring subprocessid或subprocesskey必含有其一.聲明調(diào)用特定版本的子流程,子流程的id可以是text或EL expression.subprocesskeystringsubprocessid或subprocesskey必含有其一.聲明在每次流程執(zhí)行時(shí), expression.l Subprocess的可嵌套的標(biāo)簽:ElementDescriptiondescription節(jié)點(diǎn)描述on全局標(biāo)簽,定義某個(gè)節(jié)點(diǎn)的在on可以嵌套的標(biāo)簽的功能(timer,hql,eventlistener等等).transition全局標(biāo)簽,向外的轉(zhuǎn)移parameterin在子流程實(shí)例被創(chuàng)建時(shí),聲明傳遞到子流程實(shí)例的參數(shù)parameterout在子流程結(jié)束的時(shí)候,聲明在上級(jí)流程執(zhí)行使用到的參數(shù).timer計(jì)時(shí)器swimlanemappingl example,子流程的結(jié)果end節(jié)點(diǎn)被用于選擇向外轉(zhuǎn)移process name=SubProcessDocument start transition to=review / /start subprocess name=review subprocesskey=SubProcessReview transition name=ok to=next step / transition name=nok to=update / transition name=reject to=close / /subprocess state name=next step / state name=update / state name=close //processSubProcessReview擁有多個(gè)end節(jié)點(diǎn):process name=SubProcessReview xmlns= start transition to=g