[jboss-user] [JBoss jBPM] - Using LDAP: can't assign tasks to users in group ...

[ardavan]

Hi,
I am trying to hook up LDAP with jbpm. Therefore I have my own implementation of the ExpressionSession interface.
I also have an AssignmentHandler which extends ExpressionAssignmentHandler.

My problem: my task using: swimlane="manager" is assigned to 'null'.

This is how I set up my swimlanes in my processdefinition file:

 <swimlane name="client">
  |   <assignment class='com.brighthorizons.jbpm.identity.ldap.MyLdapAssignmentHandler'>
  |    <expression>user(ardi)</expression>
  |   </assignment>
  |  </swimlane>
  |  
  |  <swimlane name="manager">
  |   <assignment class='com.brighthorizons.jbpm.identity.ldap.MyLdapAssignmentHandler'>
  |    <expression>group(groupTest)</expression>
  |   </assignment>
  |  </swimlane>

With the   <expression>user(ardi)</expression> I have no issues but when I want to assign my task to the users in a group using  <expression>group(groupTest)</expression> - jbpm assigns the taskInstance to null.

I have a  public Group getGroupByName(String groupName)   method that searches and finds the right group (LDAP)
then creates the group group = new Group(groupName, "");

Then lists all the members of that group and adds membership
 
  | Attribute memberAttr = groupAttrs.get("uniquemember");for (NamingEnumeration memberValues = memberAttr.getAll(); memberValues.hasMore();) 
  | {
  |           String memberValue = memberValues.next().toString();
  | 
  |            User user;  
  |            user = getUser(memberValue);
  |            System.out.println("user name from group:" + user.getName());
  |            Membership.create(user, group);
  |             System.out.println("membership created between:" + user.getName() +" and " + group.getName());
  | }
  | 
I don't know what's wrong - I think I still don't understand the identity component of jbpm. 
please help. 

thank you
Ardi

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