OSWorkflow Documentation

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1 OSWorkflow Documentation Update Time: 05/09/15 OSWorkflow Java workflow engine API 理 flow 行 XML 來流 Database UI 不流 GUI Designer end user 行 JSP+Servlet 行 OSWorkflow 2.8 說了 OSWorkflow library library OSCore PropertySet 1.2+ Jakarta commons-logging BeanShell (optional) BSF (optional) EJB interfaces (not neccesarily an EJB container) XML parser (Not required for JDK 1.4) PS OSWorkflow JDK 1.3+ libraries zip Download 不行 OSWorkflow servlet container 來行 Tomcat Tomcat tomcat 4.1.x binary 來不行 bin/ startup script tomcat 了連 tomcat 2. OSWorkflow OSWorkflow OSWorkflow osworkflow-2.x.0-example.war $TOMCAT_HOME/webapps tomcat $TOMCAT_HOME/webapps 料 osworkflow-2.x.0-example $TOMCAT_HOME/webapps/OSWorkflow example/WEB-INF/lib activation.jar

2 commons-logging.jar oscore jar osworkflow jar quartz.jar bsh-1.2b7.jar mail.jar osuser-1.0-dev-3dec03.jar propertyset apr04.jar WEB-INF/lib $TOMCAT_HOME/common/lib servlet.jar WEB-INF/lib 來 workflow xml implement 行流 class 行 workflow 了流理 Persistence Storage 來流 OSWorkflow 了 MemoryStore ( 不 Storage memory ) SerializableStore JDBCStore OfbizStore EJBStore implement OSWorkflow API WorkflowStore interface MemoryStore OSWorkflow workflow 來行行句說 OSWorkflow step flow 行 workflow instance step(s) flow step 行 action 來 step workflow engine OSWorkflow 易來 flow 流 result 行 step status OSWorkflow Underway Queued Finished status 來 step OSWorkflow 數 (id) 來類 workflow instances steps actions results id 不 id 來 workflow workflow 說

3 External Function flow 行說更料 external function 來理 step action external function 不 pre-function post-function 行 function step action external function external function java-based functions beanshell function BSF function(perl script, vbscript, javascript) utility function document 更說 Split & Join Split Join flow flow 行 flow flow 行 OSWorkflow split join target result 了連 step 連 split join split join 更說 result 連 split uncondtional results results 流行 split current steps split 例來行來 result 連不 steps join results 洞 result 連 join 不什 Join join condition 立立行 join result condtion 來 steps status Validators Validator action input 料行 action 不 InvalidInputException Exception Conditon Condition boolean condition AND OR 來 conditional result condition function java-based class beanshell script local EJB remore EJB OSWorkflow 了 condition AllowOwner initial-action 不 conditional result OSWorkflow bug forum 來不 2.8 不更

4 OSWorkflow workflow 行例說更 OSWorkflow 念 demo 例說 OSWorkflow workflow WEB-INF/classes/osworkflow.xml 了 1 <persistence class="com.opensymphony.workflow.spi.memory.memoryworkflowstore"/> 2 <factory class="com.opensymphony.workflow.loader.xmlworkflowfactory"> 3 <property key="resource" value="workflows.xml" /> 4 </factory> 5 </osworkflow> 1 3 行 1 行什 persistence storage 裡 memory 3 行 workflow 錄 workflow.xml workflow.xml 裡了 1 <workflows> 2 <workflow name="buy" type="resource" location="buy.xml"/> 3 </workflows> 裡了 workflow 2 行 buy.xml workflow buy workflow 利 buy.xml workflow demo workflow 說 demo 流

5 來 buy.xml 1 <?xml version="1.0" encoding="utf-8"?> 2 <!DOCTYPE workflow PUBLIC "-//OpenSymphony Group//DTD OSWorkflow 2.8//EN" 3 " 4 <workflow> 5 <meta name="created">wed Sep 14 22:50:03 CST 2005</meta> 6 <meta name="lastmodified">wed Sep 14 23:01:15 CST 2005</meta> 7 <meta name="generator">osworkflow Designer</meta> 類來流流狀不流 <initial-actions> 8 <initial-actions> 9 <action id="0" name="but tickets and meals"> action <pre-functions> step 行 com.opensymphony.workflow.util.caller class workflow ${caller} 數 action id 不 10 <pre-functions> 11 <function name="set.caller" type="class"> 12 <arg name="class.name">com.opensymphony.workflow.util.caller</arg>

6 13 </function> 14 </pre-functions> <result> action old-status 來狀什 Finished step action step id uncondition-result 行 action 便 step id 1 Clerk-Ask step 15 <results> 16 <unconditional-result id="5" old-status="finished" status="queued" step="1" owner="${caller}"/> 17 </results> 18 </action> 19 </initial-actions> 20 <steps> 21 <step id="1" name="clerk-ask"> 22 <actions> 23 <action id="6" name="otherwise, pay the bill" view="clerk-ask"> 24 <pre-functions> 25 <function name="set.caller" type="class"> 26 <arg name="class.name">com.opensymphony.workflow.util.caller</arg> 27 </function> 28 </pre-functions> beanshell conditiion 來不 step 2 行 uncondition result step 3 29 <results> 30 <result id="8" old-status="finished" status="queued" step="2" owner="${caller}" display-name="if buy any m 31 <conditions type="and"> 32 <condition name="bsh.condition" type="beanshell"> 33 <arg name="script"> 34 <![CDATA[propertySet.getLong("numberMealA")!=0 propertyset.getlong("numbermealb")!=0 35 propertyset.getlong("numbermealc")!=0]]>

7 36 </arg> 37 </condition> 38 </conditions> 39 </result> 40 <unconditional-result id="7" old-status="finished" status="queued" step="3" owner="${caller}"/> 41 </results> 42 </action> 43 </actions> 44 </step> unconditional-result step 3 45 <step id="2" name="kitchen-cook"> 46 <actions> 47 <action id="9" name="pay the bill" view="kitchen-cook"> 48 <pre-functions> 49 <function name="set.caller" type="class"> 50 <arg name="class.name">com.opensymphony.workflow.util.caller</arg> 51 </function> 52 </pre-functions> 53 <results> 54 <unconditional-result id="10" old-status="finished" status="queued" step="3" owner="${caller}"/> 55 </results> 56 </action> 57 </actions> 58 </step> 了 step 3 uncondition-result 行 action 便 step 4 ( end step ) 59 <step id="3" name="clerk-pony"> 60 <actions> 61 <action id="11" name="end the flow" view="clerk-pony"> 62 <pre-functions> 63 <function name="set.caller" type="class"> 64 <arg name="class.name">com.opensymphony.workflow.util.caller</arg> 65 </function>

8 66 </pre-functions> 67 <results> 68 <unconditional-result id="12" old-status="finished" status="queued" step="4" owner="${caller}"/> 69 </results> 70 </action> 71 </actions> 72 </step> 73 <step id="4" name="end"> 74 </step> 75 </steps> 76 </workflow> workflow 不 osworkflow 流不料 API 便列參數參數參數來數

9 立來來例不來參數欄數來料例數來料例 workflow xml 易 GUI designer GUI Designer GUI designer java 行 disigner 1.4+ JVM snapshot

deisgner FSM(Finite State Machine) step state result transition function workflow GUI designer 不類 OSWorkflow Step Action Result designer 兩來易例來藍 (step) function step action 裡 action

10 deisgner FSM(Finite State Machine) step state result transition function workflow GUI designer 不類 OSWorkflow Step Action Result designer 兩來易例來藍 (step) function step action 裡 action action 更 xml 陋不 designer step action result 連什 conditional result condition ok function split join 不 demo workflow designer 易理來 designer validator step 連 condition validate 料 & workflow 了

11 念利來立例例例念領

了立連立量領來例蘭便不數不論更更更力更參例來例見量度量量參論量行量量瑩理來錄量量不力省力立力量量量了量便錄錄錄料說省 6

了立連立量領來例蘭便不數不論更更更力更參例來例見量度量量參論量行量量瑩理來錄量量不力省力立力量量量了量便錄錄錄料說省 6 量領力不參劣說更省量量省狀切領量例類說留見省良料錄立料省力念了省良練理流論 5 了立連立量領來例蘭便不數不論更更更力更參例來例見量度量量參論量行量量瑩理來錄量量不力省力立力量量量了量便錄錄錄料說省 6 說量力量