boolean hasJobEnded() {
int lUnitsPending = mProcessUnits.size();
for (ProcessControlUnit lUnit : mProcessUnits) {
if (lUnit.hasResult()) {
lUnitsPending--;
}
}
return lUnitsPending == 0;
}
void stop() {
for (ProcessControlUnit lUnit : mProcessUnits) {
lUnit.stop();
}
}