A good start could be to give us more info, like your rules, your flow and how are you executing them. ;) Best, On Wed, May 19, 2010 at 6:39 AM, HONG DENG <denghongster(a)gmail.com&gt; wrote: > > hi , i am a drools flow newbie.I want to using "assignment rule" > assign a actor to a HumanTask. I have write a dsl and dslr files and > following code : > > > kbuilder.add(ResourceFactory.newClassPathResource("HelloWorldSample.rf"), > ResourceType.DRF); > kbuilder.add(ResourceFactory.newClassPathResource("assignment.dsl"), > ResourceType.DSL); > kbuilder.add(ResourceFactory.newClassPathResource("assignment.dslr"), > ResourceType.DSLR); > > but when i start a process instance and the token arrive at a > humantask,the "assignment rule" couldn't be firing. > who can tell me how can i do it? > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users -- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Esteban Aliverti _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users

I don't really know whether your rule will be activated or not, but you are missing the ksession.fireAllRules() call. Try to add a Logger to your session to see if the rule gets activated or not. Best, 2010/5/19 HONG DENG <denghongster(a)gmail.com&gt; *I paste all information here : > > HelloWorldSample.rf * : > > <?xml version="1.0" encoding="UTF-8"?> > <process xmlns="http://drools.org/drools-5.0/process" > xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" > xs:schemaLocation="http://drools.org/drools-5.0/processdrools-proces... > type="RuleFlow" name="flow" id="com.sample.evaluation" > package-name="org.drools.bpmn2" > > > <header> > </header> > > <nodes> > <start id="1" name="Start" x="44" y="139" width="48" height="48" /> > <humanTask id="2" name="thefirstone" x="156" y="140" width="80" > height="40" > > <work name="Human Task" > > <parameter name="ActorId" > > <type > name="org.drools.process.core.datatype.impl.type.StringDataType" /> > <value></value> > </parameter> > <parameter name="Comment" > > <type > name="org.drools.process.core.datatype.impl.type.StringDataType" /> > <value>You need to perform a self-evaluation</value> > </parameter> > <parameter name="Content" > > <type > name="org.drools.process.core.datatype.impl.type.StringDataType" /> > </parameter> > <parameter name="Priority" > > <type > name="org.drools.process.core.datatype.impl.type.StringDataType" /> > </parameter> > <parameter name="Skippable" > > <type > name="org.drools.process.core.datatype.impl.type.StringDataType" /> > <value>false</value> > </parameter> > <parameter name="TaskName" > > <type > name="org.drools.process.core.datatype.impl.type.StringDataType" /> > <value>firstHumanTask</value> > </parameter> > </work> > </humanTask> > <end id="3" name="End" x="290" y="140" width="80" height="40" /> > </nodes> > > <connections> > <connection from="1" to="2" /> > <connection from="2" to="3" /> > </connections> > > </process> > > *assignment.dslr:* > package org.drools.examples.process.order > > import org.drools.process.instance.impl.WorkItemImpl > import org.drools.workflow.instance.node.WorkItemNodeInstance > > expander assignment.dsl > > /********** Generic assignment rules **********/ > > rule "Assign actor" salience 30 > when > There is a human task > then > Set actor id "mary" > end > > > *assignment.dsl:* > *** > [condition][HumanTaskWorkItem]- with actor id > "{actorId}"=parameters['ActorId'] == "{actorId}" > [condition][HumanTaskWorkItem]- without actor id=parameters['ActorId'] == > null > [condition][HumanTaskWorkItem]- with task name > "{taskName}"=parameters['TaskName'] == "{taskName}" > [condition][HumanTaskWorkItem]There is a human task=workItemNodeInstance: > WorkItemNodeInstance( ) workItem: WorkItemImpl( name == "Human Task" ) from > workItemNodeInstance.workItem > [consequence][]Set actor id "{actorId}"=workItem.setParameter("ActorId", > "{actorId}"); update(workItemNodeInstance); > [condition][HumanTaskWorkItem]- with priority > {priority}=parameters['Priority'] == {priority} > [condition][HumanTaskWorkItem]Process "{processId}" contains a human > task=workItemNodeInstance: WorkItemNodeInstance( processInstance.processId > == "{processId}" ) workItem: WorkItemImpl( name == "Human Task" ) from > workItemNodeInstance.workItem > * > > *and have following code to start a process instance:* > * > package com.sample; > /** > * This is a sample file to launch a process. > */ > public class ProcessTest { > > public static final void main(String[] args) { > try { > //start humantask component > startHumanTaskComponent(); > // load up the knowledge base > KnowledgeBase kbase = readKnowledgeBase(); > StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(); > KnowledgeRuntimeLogger logger = > KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, "test"); > ksession.getWorkItemManager().registerWorkItemHandler("Human Task", new > WSHumanTaskHandler()); > // start a new process instance > Map<String, Object> params = new HashMap<String, Object>(); > params.put("employee", "Administrator"); > ksession.startProcess("com.sample.evaluation", params); > } catch (Throwable t) { > t.printStackTrace(); > } > } > > private static KnowledgeBase readKnowledgeBase() throws Exception { > KnowledgeBuilderConfiguration conf = > KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration(); > // ((PackageBuilderConfiguration) conf).initSemanticModules(); > // ((PackageBuilderConfiguration) > conf).loadSemanticModule("BPMN2SemanticModule.conf"); > KnowledgeBuilder kbuilder = > KnowledgeBuilderFactory.newKnowledgeBuilder(conf); > // kbuilder.add(ResourceFactory.newClassPathResource("hellowWorld.bpmn"), > ResourceType.DRF); > kbuilder.add(ResourceFactory.newClassPathResource("HelloWorldSample.rf"), > ResourceType.DRF); > kbuilder.add(ResourceFactory.newClassPathResource("assignment.dsl"), > ResourceType.DSL); > kbuilder.add(ResourceFactory.newClassPathResource("assignment.dslr"), > ResourceType.DSLR); > KnowledgeBuilderErrors errors = kbuilder.getErrors(); > if (errors.size() > 0) { > for (KnowledgeBuilderError error: errors) { > System.err.println(error); > } > throw new IllegalArgumentException("Could not parse knowledge."); > } > KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(); > kbase.addKnowledgePackages(kbuilder.getKnowledgePackages()); > return kbase; > } > private static void startHumanTaskComponent(){ > EntityManagerFactory emf = > Persistence.createEntityManagerFactory("org.drools.task"); > TaskService taskService = new > TaskService(emf,SystemEventListenerFactory.getSystemEventListener()); > User a = new User("john"); > User b = new User("mary"); > TaskServiceSession taskSession = taskService.createSession(); > taskSession.addUser(new User("Administrator")); > taskSession.addUser(a); > taskSession.addUser(b); > MinaTaskServer server = new MinaTaskServer( taskService ); > Thread thread = new Thread( server ); > thread.start(); > } > > } > * > > > 2010/5/19 Esteban Aliverti <esteban.aliverti(a)gmail.com&gt;: > > > A good start could be to give us more info, like your rules, your flow > and > > how are you executing them. ;) > > Best, > > > > On Wed, May 19, 2010 at 6:39 AM, HONG DENG <denghongster(a)gmail.com&gt; > wrote: > >> > >> hi , i am a drools flow newbie.I want to using "assignment rule" > >> assign a actor to a HumanTask. I have write a dsl and dslr files and > >> following code : > >> > >> > >> > kbuilder.add(ResourceFactory.newClassPathResource("HelloWorldSample.rf"), > >> ResourceType.DRF); > >> kbuilder.add(ResourceFactory.newClassPathResource("assignment.dsl"), > >> ResourceType.DSL); > >> kbuilder.add(ResourceFactory.newClassPathResource("assignment.dslr"), > >> ResourceType.DSLR); > >> > >> but when i start a process instance and the token arrive at a > >> humantask,the "assignment rule" couldn't be firing. > >> who can tell me how can i do it? > >> _______________________________________________ > >> rules-users mailing list > >> rules-users(a)lists.jboss.org > >> https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > > > -- > > XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX > > > > Esteban Aliverti > > > > _______________________________________________ > > rules-users mailing list > > rules-users(a)lists.jboss.org > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > -- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Esteban Aliverti _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users