Workflow:

- Add workflow initiator process variable (Person Node)
- Add workflow initiator to WorkflowInstance API Object

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@3611 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/workflow/jbpm/JBPMEngine.java

@@ -66,6 +66,7 @@ import org.hibernate.Session;
 import org.hibernate.proxy.HibernateProxy;
 import org.jbpm.JbpmContext;
 import org.jbpm.JbpmException;
+import org.jbpm.context.exe.ContextInstance;
 import org.jbpm.db.GraphSession;
 import org.jbpm.db.TaskMgmtSession;
 import org.jbpm.graph.def.Node;
@@ -356,18 +357,28 @@ public class JBPMEngine extends BPMEngine
         {
             return (WorkflowPath) jbpmTemplate.execute(new JbpmCallback()
             {
+                @SuppressWarnings("synthetic-access")
                 public Object doInJbpm(JbpmContext context)
                 {
                     // initialise jBPM actor (for any processes that wish to record the initiator)
-                    context.setActorId(AuthenticationUtil.getCurrentUserName());
-                    
+                    String currentUserName = AuthenticationUtil.getCurrentUserName();
+                    context.setActorId(currentUserName);
+
                     // construct a new process
                     GraphSession graphSession = context.getGraphSession();
                     ProcessDefinition processDefinition = graphSession.loadProcessDefinition(getJbpmId(workflowDefinitionId));
                     ProcessInstance processInstance = new ProcessInstance(processDefinition);
-                    Token token = processInstance.getRootToken();
+                 
+                    // assign initial process context
+                    ContextInstance processContext = processInstance.getContextInstance();
+                    NodeRef initiatorPerson = mapNameToAuthority(currentUserName);
+                    if (initiatorPerson != null)
+                    {
+                        processContext.setVariable("initiator", new JBPMNode(initiatorPerson, serviceRegistry));
+                    }
 
                     // create the start task if one exists
+                    Token token = processInstance.getRootToken();
                     Task startTask = processInstance.getTaskMgmtInstance().getTaskMgmtDefinition().getStartTask();
                     if (startTask != null)
                     {
@@ -1507,6 +1518,11 @@ public class JBPMEngine extends BPMEngine
         workflowInstance.id = createGlobalId(new Long(instance.getId()).toString());
         workflowInstance.definition = createWorkflowDefinition(instance.getProcessDefinition());
         workflowInstance.active = !instance.hasEnded();
+        JBPMNode initiator = (JBPMNode)instance.getContextInstance().getVariable("initiator");
+        if (initiator != null)
+        {
+            workflowInstance.initiator = initiator.getNodeRef(); 
+        }
         workflowInstance.startDate = instance.getStart();
         workflowInstance.endDate = instance.getEnd();
         return workflowInstance;

source/java/org/alfresco/repo/workflow/jbpm/JBPMEngineTest.java

@@ -27,6 +27,7 @@ import java.util.Map;
 import org.alfresco.i18n.I18NUtil;
 import org.alfresco.model.ContentModel;
 import org.alfresco.repo.content.MimetypeMap;
+import org.alfresco.repo.security.authentication.AuthenticationComponent;
 import org.alfresco.repo.workflow.BPMEngineRegistry;
 import org.alfresco.repo.workflow.TaskComponent;
 import org.alfresco.repo.workflow.WorkflowComponent;
@@ -55,6 +56,8 @@ import org.springframework.core.io.ClassPathResource;
  */
 public class JBPMEngineTest extends BaseSpringTest
 {
+    AuthenticationComponent authenticationComponent;
+    NodeService nodeService;
     WorkflowComponent workflowComponent;
     TaskComponent taskComponent;
     WorkflowDefinition testWorkflowDef;
@@ -64,6 +67,10 @@ public class JBPMEngineTest extends BaseSpringTest
     @Override
     protected void onSetUpInTransaction() throws Exception
     {
+        // run as system
+        authenticationComponent = (AuthenticationComponent)applicationContext.getBean("authenticationComponent");
+        authenticationComponent.setCurrentUser("admin");
+        
         BPMEngineRegistry registry = (BPMEngineRegistry)applicationContext.getBean("bpm_engineRegistry");
         workflowComponent = registry.getWorkflowComponent("jbpm");
         taskComponent = registry.getTaskComponent("jbpm");
@@ -82,12 +89,19 @@ public class JBPMEngineTest extends BaseSpringTest
         assertTrue(workflowComponent.isDefinitionDeployed(processDef.getInputStream(), MimetypeMap.MIMETYPE_XML));
 
         // get valid node ref
-        NodeService nodeService = (NodeService)applicationContext.getBean(ServiceRegistry.NODE_SERVICE.getLocalName());
+        nodeService = (NodeService)applicationContext.getBean(ServiceRegistry.NODE_SERVICE.getLocalName());
         testNodeRef = nodeService.getRootNode(new StoreRef(StoreRef.PROTOCOL_WORKSPACE, "spacesStore"));
         nodeService.setProperty(testNodeRef, ContentModel.PROP_CREATED, new Date());
     }
 
     
+    @Override
+    protected void onTearDownInTransaction()
+    {
+        authenticationComponent.clearCurrentSecurityContext();
+    }
+    
+    
     public void testGetWorkflowDefinitions()
     {
         List<WorkflowDefinition> workflowDefs = workflowComponent.getDefinitions();
@@ -168,6 +182,10 @@ public class JBPMEngineTest extends BaseSpringTest
         assertTrue(task.properties.containsKey(WorkflowModel.PROP_PRIORITY));
         assertTrue(task.properties.containsKey(WorkflowModel.PROP_PERCENT_COMPLETE));
         assertTrue(task.properties.containsKey(ContentModel.PROP_OWNER));
+        
+        NodeRef initiator = path.instance.initiator;
+        String initiatorUsername = (String)nodeService.getProperty(initiator, ContentModel.PROP_USERNAME);
+        assertEquals("admin", initiatorUsername);
     }
 
     
@@ -323,7 +341,7 @@ public class JBPMEngineTest extends BaseSpringTest
         assertEquals(1, tasks.size());
         WorkflowTask updatedTask = taskComponent.endTask(tasks.get(0).id, path.node.transitions[0].id);
         assertNotNull(updatedTask);
-        List<WorkflowTask> completedTasks = taskComponent.getAssignedTasks("System", WorkflowTaskState.COMPLETED);
+        List<WorkflowTask> completedTasks = taskComponent.getAssignedTasks("admin", WorkflowTaskState.COMPLETED);
         assertNotNull(completedTasks);
         completedTasks = filterTasksByWorkflowInstance(completedTasks, path.instance.id);
         assertEquals(1, completedTasks.size());
@@ -351,7 +369,7 @@ public class JBPMEngineTest extends BaseSpringTest
         WorkflowTask updatedTask = taskComponent.endTask(tasks1.get(0).id, null);
         assertNotNull(updatedTask);
         assertEquals(WorkflowTaskState.COMPLETED, updatedTask.state);
-        List<WorkflowTask> completedTasks = taskComponent.getAssignedTasks("System", WorkflowTaskState.COMPLETED);
+        List<WorkflowTask> completedTasks = taskComponent.getAssignedTasks("admin", WorkflowTaskState.COMPLETED);
         assertNotNull(completedTasks);
         completedTasks = filterTasksByWorkflowInstance(completedTasks, path.instance.id);
         assertEquals(1, completedTasks.size());

source/java/org/alfresco/repo/workflow/jbpm/JBPMNode.java

@@ -19,7 +19,6 @@ package org.alfresco.repo.workflow.jbpm;
 import java.io.Serializable;
 import java.util.Date;
 
-import org.alfresco.repo.jscript.Node;
 import org.alfresco.service.ServiceRegistry;
 import org.alfresco.service.cmr.repository.NodeRef;
 import org.alfresco.service.namespace.QName;

source/java/org/alfresco/repo/workflow/jbpm/test_processdefinition.xml

@@ -16,7 +16,7 @@
                <expression>
                   function result()
                   {
-                     return ("Process instance = " + executionContext.processInstance.id + ", testNode children = " + testNode.children.length);
+                     return ("Initiator: " + initiator.properties["cm:userName"] + ", process instance = " + executionContext.processInstance.id + ", testNode children = " + testNode.children.length);
                   }
                   result();
                </expression>