public void waitForInternalState(TaskImpl task,
TaskStateInternal finalState) throws Exception {
int timeoutSecs = 0;
TaskReport report = task.getReport();
TaskStateInternal iState = task.getInternalState();
while (!finalState.equals(iState) && timeoutSecs++ < 20) {
System.out.println("Task Internal State is : " + iState
+ " Waiting for Internal state : " + finalState + " progress : "
+ report.getProgress());
Thread.sleep(500);