How to assign a task to Reuestor in OIM 11g

Question

How to assign a task to a requestor (who has raised a request for other user).
I created a Task assignment adapter and mapped variable in Process definition as
Map To: Request Info
Qualifier: Requester User Login
Still it returns null and default task is assigning to System adminstrator. I am pasting the Task Assignment code here. User key value coming as Null.
Do you have any idea what is the exact mapping required in Process definition.?? Pls note: I am using OIM version 11.1.1.5.0
public class TaskAssignmentToUserAdapter {
     Logger logger = Logger.getLogger("COM.IDM.PROV.COMMON.ADAPTERS");
     public String getTargetType(String targetType){
          return targetType;
     public String assignTaskToUser(String userKey,tcDataProvider dataProvider ){
          System.out.println("The user key value:" +userKey);
          return userKey;
     }

Answer 1

Not sure what sample code I can give you, but you need to do a query in your adapter like:
select REQUEST_KEY from OIU where ORC_KEY='?'
Here ORC_KEY should be mapped to the process instance key.
Once you have the Request key, you can use RequestServcie APIs to get the requester information. http://docs.oracle.com/cd/E14571_01/apirefs.1111/e17334/oracle/iam/request/api/RequestService.html#getBasicRequestData_java_lang_String_
Or if you don't care then get the requester key from the request table. Thus you can have the final query as:
select USR_LOGIN from USR where USR_KEY=(select REQUESTER_KEY from REQUEST where REQUEST_KEY = (select REQUEST_KEY from OIU where ORC_KEY='?'))
HTH,
BB