How to use
State$AbstractIterator
in
cascading.flow.planner.iso.finder

Best Java code snippets using cascading.flow.planner.iso.finder.State$AbstractIterator (Showing top 3 results out of 315)

@Override
public final T next()
 {
 if( !hasNext() )
  throw new NoSuchElementException();
 state = StateEnum.NOT_READY;
 return next;
 }
}

@Override
public final boolean hasNext()
 {
 if( state == StateEnum.FAILED )
  throw new IllegalStateException();
 switch( state )
  {
  case DONE:
   return false;
  case READY:
   return true;
  default:
  }
 return tryToComputeNext();
 }

private boolean tryToComputeNext()
 {
 state = StateEnum.FAILED; // temporary pessimism
 next = computeNext();
 if( state != StateEnum.DONE )
  {
  state = StateEnum.READY;
  return true;
  }
 return false;
 }