"kukeltje" wrote : Once a swimlane has an actor assigned in it, it will always
use the same assigned actor. The assignementhandler will not be called again.
I am running in the same problem: i need to run the AssignmentHandler once
more. So i firstly wrote an action:
import java.util.HashSet;
|
| import org.apache.commons.logging.Log;
| import org.apache.commons.logging.LogFactory;
| import org.jbpm.graph.def.ActionHandler;
| import org.jbpm.graph.exe.ExecutionContext;
| import org.jbpm.taskmgmt.exe.SwimlaneInstance;
|
| public class ClearSwimlaneHandler implements ActionHandler {
| private static final Log log =
LogFactory.getLog(ClearSwimlaneHandler.class);
|
| private String swimlane;
|
| public void execute(ExecutionContext executionContext) throws Exception
{
| SwimlaneInstance swi =
executionContext.getProcessInstance().getTaskMgmtInstance().getSwimlaneInstance(swimlane);
| if (swi == null) {
| log.error("cant reassign: Swimlane doesnt exists: "
| + swimlane);
| } else {
| swi.setActorId(null);
| swi.setPooledActors(new HashSet());
| log.info("clearing actors for swimlane: "+ swimlane);
| }
| }
| }
The action gets invoked at the affected task:
<task-node name="Analyze State">
| <task name="Analyze" swimlane="Responsible">
| <event type="task-create">
| <action name="Always Assignment"
| class="my.ClearSwimlaneHandler">
| <swimlane>Responsible</swimlane>
| </action>
| </event>
But the assignment is 'null'
The I tried to delete the swimlane of the task:
public void execute(ExecutionContext executionContext) throws Exception
{
| executionContext.getTask().setSwimlane(null);
But no assignment:
The code of the taskinstance (jbpm 3.0.2) says:
public void assign(ExecutionContext executionContext) {
| TaskMgmtInstance taskMgmtInstance = executionContext
| .getTaskMgmtInstance();
|
| Swimlane swimlane = task.getSwimlane();
| // if this task is in a swimlane
| if (swimlane != null) {
|
| // if this is a task assignment for a start-state
| if (isStartTaskInstance()) {
| // initialize the swimlane
| swimlaneInstance = new
SwimlaneInstance(swimlane);
|
taskMgmtInstance.addSwimlaneInstance(swimlaneInstance);
| // with the current authenticated actor
| swimlaneInstance.setActorId(Authentication
| .getAuthenticatedActorId());
|
| } else {
|
| // lazy initialize the swimlane...
| // get the swimlane instance (if there is any)
| swimlaneInstance = taskMgmtInstance
|
.getInitializedSwimlaneInstance(executionContext,
| swimlane);
|
| // copy the swimlaneInstance assignment into
the taskInstance
| // assignment
|
copySwimlaneInstanceAssignment(swimlaneInstance);
| }
|
| } else { // this task is not in a swimlane
| taskMgmtInstance.invokeAssignmentHandler(task
| .getAssignmentDelegation(), this,
executionContext);
| }
|
| updatePooledActorsReferences(swimlaneInstance);
| }
So it should be enough to clear the swimlane of the task, or am I wrong?
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