@SuppressWarnings("unchecked")
public List<IWorkItem> findMyTodoWorkItems(final String actorId,
final String processId, final String taskId) {
List<IWorkItem> result = null;
try {
result = (List<IWorkItem>) this.execute(new IWorkflowSessionCallback() {
public Object doInWorkflowSession(RuntimeContext ctx)
throws EngineException, KernelException {
return ctx.getPersistenceService().findTodoWorkItems(
actorId, processId, taskId);