org.apache.hadoop.hbase.HConstants#NOT_IMPLEMENTED源码实例Demo

@Override
public Iterator<T> iterator() {
  return new Iterator<T>() {
    private int returned = 0;

    @Override
    public boolean hasNext() {
      return this.returned < 2;
    }

    @Override
    public T next() {
      if (++this.returned == 1) return getFirst();
      else if (this.returned == 2) return getSecond();
      else throw new IllegalAccessError("this.returned=" + this.returned);
    }

    @Override
    public void remove() {
      throw new NotImplementedException(HConstants.NOT_IMPLEMENTED);
    }
  };
}
 

@Override
public Action undoAction() {
  // TODO implement this. This action is not being used by the StochasticLB for now
  // in case it uses it, we should implement this function.
  throw new NotImplementedException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public boolean seekToLastRow() throws IOException {
  throw new NotImplementedException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Cell ceiling(Cell e) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public NavigableSet<Cell> descendingSet() {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Cell floor(Cell e) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Cell higher(Cell e) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Cell lower(Cell e) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Cell pollFirst() {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Cell pollLast() {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public SortedSet<Cell> subSet(Cell fromElement, Cell toElement) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public NavigableSet<Cell> subSet(Cell fromElement,
    boolean fromInclusive, Cell toElement, boolean toInclusive) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Comparator<? super Cell> comparator() {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public boolean addAll(Collection<? extends Cell> c) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public boolean containsAll(Collection<?> c) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public boolean removeAll(Collection<?> c) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public boolean retainAll(Collection<?> c) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public Object[] toArray() {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}
 

@Override
public <T> T[] toArray(T[] a) {
  throw new UnsupportedOperationException(HConstants.NOT_IMPLEMENTED);
}