"The current runtime context is null.");
}
ITaskInstanceManager taskInstanceMgr = rtCtx.getTaskInstanceManager();
IWorkItem newWorkItem = taskInstanceMgr.claimWorkItem(this.getId(),this.getTaskInstance().getId());
if (newWorkItem!=null){
this.state = newWorkItem.getState();
this.claimedTime = newWorkItem.getClaimedTime();